{"id":3842,"date":"2026-11-12T10:18:21","date_gmt":"2026-11-12T02:18:21","guid":{"rendered":"https:\/\/midradar.com\/?post_type=news&#038;p=3842"},"modified":"2026-11-12T10:18:21","modified_gmt":"2026-11-12T02:18:21","slug":"acoustic-hailing-deterrent-systems-long-range-acoustic-devices-for-public-safety","status":"publish","type":"news","link":"https:\/\/midradar.com\/vi\/news\/acoustic-hailing-deterrent-systems-long-range-acoustic-devices-for-public-safety\/","title":{"rendered":"H\u1ec7 th\u1ed1ng ph\u00e1t thanh v\u00e0 r\u0103n \u0111e b\u1eb1ng \u00e2m thanh: thi\u1ebft b\u1ecb \u00e2m thanh t\u1ea7m xa ph\u1ee5c v\u1ee5 an to\u00e0n c\u00f4ng c\u1ed9ng"},"content":{"rendered":"<p>C\u00e1c \u0111\u1ecba \u0111i\u1ec3m ngo\u00e0i tr\u1eddi r\u1ed9ng l\u1edbn th\u01b0\u1eddng g\u1eb7p kh\u00f3 kh\u0103n trong vi\u1ec7c truy\u1ec1n \u0111\u1ea1t ch\u1ec9 d\u1eabn r\u00f5 r\u00e0ng do kho\u1ea3ng c\u00e1ch xa, ti\u1ebfng xe c\u1ed9, gi\u00f3 v\u00e0 ti\u1ebfng m\u00e1y m\u00f3c. Loa th\u00f4ng th\u01b0\u1eddng c\u00f3 th\u1ec3 kh\u00f4ng truy\u1ec1n \u00e2m thanh t\u1edbi \u0111\u01b0\u1ee3c khu v\u1ef1c mong mu\u1ed1n, trong khi thi\u1ebft b\u1ecb c\u00f4ng su\u1ea5t l\u1edbn \u0111\u01b0\u1ee3c tri\u1ec3n khai thi\u1ebfu t\u00ednh to\u00e1n c\u00f3 th\u1ec3 g\u00e2y lo ng\u1ea1i v\u1ec1 an to\u00e0n v\u00e0 tu\u00e2n th\u1ee7 quy \u0111\u1ecbnh. M\u1ed9t h\u1ec7 th\u1ed1ng \u00e2m thanh \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf chuy\u00ean d\u1ee5ng gi\u00fap li\u00ean l\u1ea1c t\u1eeb xa c\u00f3 ki\u1ec3m so\u00e1t v\u00e0 \u0111\u00e1ng tin c\u1eady h\u01a1n.<\/p>\n<p>H\u1ec7 th\u1ed1ng ph\u00e1t th\u00f4ng b\u00e1o v\u00e0 r\u0103n \u0111e b\u1eb1ng \u00e2m thanh l\u00e0 m\u1ed9t n\u1ec1n t\u1ea3ng truy\u1ec1n thanh t\u1ea7m xa, ph\u00e1t th\u00f4ng \u0111i\u1ec7p b\u1eb1ng gi\u1ecdng n\u00f3i tr\u1ef1c ti\u1ebfp, th\u00f4ng b\u00e1o ghi \u00e2m v\u00e0 \u00e2m b\u00e1o c\u1ea3nh b\u00e1o t\u1edbi m\u1ed9t khu v\u1ef1c x\u00e1c \u0111\u1ecbnh. T\u00f9y theo m\u1eabu, h\u1ec7 th\u1ed1ng c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng thi\u1ebft b\u1ecb \u0111\u1ecbnh h\u01b0\u1edbng t\u1eadp trung, c\u1ee5m m\u00f4-\u0111un 360\u00b0 ho\u1eb7c c\u1ea5u h\u00ecnh l\u1eafp tr\u00ean ph\u01b0\u01a1ng ti\u1ec7n hay c\u01a1 c\u1ea5u quay-nghi\u00eang. Khi l\u1ef1a ch\u1ecdn c\u1ea7n xem x\u00e9t \u0111\u1ed9 r\u00f5 c\u1ee7a th\u00f4ng \u0111i\u1ec7p, ph\u1ea1m vi bao ph\u1ee7 t\u1ea1i \u0111\u1ecba \u0111i\u1ec3m, kh\u1ea3 n\u0103ng b\u1ea3o v\u1ec7 tr\u01b0\u1edbc t\u00e1c \u0111\u1ed9ng m\u00f4i tr\u01b0\u1eddng, giao di\u1ec7n \u0111i\u1ec1u khi\u1ec3n v\u00e0 quy tr\u00ecnh b\u1ea3o v\u1ec7 th\u00ednh gi\u00e1c.<\/p>\n<div id=\"attachment_3843\" style=\"width: 610px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-3843\" class=\"wp-image-3843\" src=\"https:\/\/midradar.com\/wp-content\/uploads\/2026\/11\/Acoustic-Hailing-Deterrent-Systems-1.webp\" alt=\"\" width=\"600\" height=\"400\" srcset=\"https:\/\/midradar.com\/wp-content\/uploads\/2026\/11\/Acoustic-Hailing-Deterrent-Systems-1.webp 1536w, https:\/\/midradar.com\/wp-content\/uploads\/2026\/11\/Acoustic-Hailing-Deterrent-Systems-1-300x200.webp 300w, https:\/\/midradar.com\/wp-content\/uploads\/2026\/11\/Acoustic-Hailing-Deterrent-Systems-1-1024x683.webp 1024w, https:\/\/midradar.com\/wp-content\/uploads\/2026\/11\/Acoustic-Hailing-Deterrent-Systems-1-768x512.webp 768w, https:\/\/midradar.com\/wp-content\/uploads\/2026\/11\/Acoustic-Hailing-Deterrent-Systems-1-18x12.webp 18w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><p id=\"caption-attachment-3843\" class=\"wp-caption-text\">H\u1ec7 th\u1ed1ng ph\u00e1t thanh v\u00e0 r\u0103n \u0111e b\u1eb1ng \u00e2m thanh: thi\u1ebft b\u1ecb \u00e2m thanh t\u1ea7m xa ph\u1ee5c v\u1ee5 an to\u00e0n c\u00f4ng c\u1ed9ng<\/p><\/div>\n<h2>H\u1ec7 th\u1ed1ng ph\u00e1t th\u00f4ng b\u00e1o v\u00e0 r\u0103n \u0111e b\u1eb1ng \u00e2m thanh l\u00e0 g\u00ec?<\/h2>\n<p>H\u1ec7 th\u1ed1ng ph\u00e1t th\u00f4ng b\u00e1o b\u1eb1ng \u00e2m thanh \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 truy\u1ec1n th\u00f4ng \u0111i\u1ec7p b\u1eb1ng gi\u1ecdng n\u00f3i v\u00e0 t\u00edn hi\u1ec7u c\u1ea3nh b\u00e1o \u00e2m thanh \u1edf kho\u1ea3ng c\u00e1ch m\u00e0 thi\u1ebft b\u1ecb truy\u1ec1n thanh th\u00f4ng th\u01b0\u1eddng c\u00f3 th\u1ec3 ho\u1ea1t \u0111\u1ed9ng k\u00e9m hi\u1ec7u qu\u1ea3. H\u1ec7 th\u1ed1ng chuy\u1ec3n \u0111\u1ed5i t\u00edn hi\u1ec7u \u0111i\u1ec7n \u00e2m thanh th\u00e0nh \u00e2m thanh v\u00e0 h\u01b0\u1edbng \u00e2m thanh \u0111\u00f3 t\u1edbi khu v\u1ef1c quan s\u00e1t ho\u1eb7c li\u00ean l\u1ea1c \u0111\u01b0\u1ee3c ch\u1ecdn.<\/p>\n<p>Kh\u00f4ng gi\u1ed1ng loa th\u00f4ng th\u01b0\u1eddng, thi\u1ebft b\u1ecb ph\u00e1t th\u00f4ng b\u00e1o \u00e2m thanh \u0111\u1ecbnh h\u01b0\u1edbng \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 t\u1eadp trung \u00e2m thanh trong m\u1ed9t g\u00f3c bao ph\u1ee7 x\u00e1c \u0111\u1ecbnh. \u0110i\u1ec1u n\u00e0y gi\u00fap truy\u1ec1n ch\u1ec9 d\u1eabn \u0111\u1ebfn m\u1ed9t khu v\u1ef1c c\u1ee5 th\u1ec3, \u0111\u1ed3ng th\u1eddi gi\u1ea3m ph\u00e1t t\u00e1n \u00e2m thanh kh\u00f4ng c\u1ea7n thi\u1ebft theo c\u00e1c h\u01b0\u1edbng kh\u00e1c. M\u1ed9t s\u1ed1 h\u1ec7 th\u1ed1ng s\u1eed d\u1ee5ng m\u1ea3ng \u00e2m thanh t\u1eadp trung, trong khi c\u00e1c h\u1ec7 th\u1ed1ng kh\u00e1c s\u1eed d\u1ee5ng c\u00e1c m\u00f4-\u0111un \u0111\u1ec3 bao ph\u1ee7 r\u1ed9ng h\u01a1n.<\/p>\n<p>C\u00e1c ch\u1ee9c n\u0103ng ch\u00ednh bao g\u1ed3m:<\/p>\n<ul>\n<li>Li\u00ean l\u1ea1c b\u1eb1ng gi\u1ecdng n\u00f3i t\u1ea7m xa.<\/li>\n<li>Ph\u00e1t th\u00f4ng b\u00e1o c\u00f4ng c\u1ed9ng t\u1eeb xa.<\/li>\n<li>Ph\u00e1t th\u00f4ng \u0111i\u1ec7p c\u1ea3nh b\u00e1o ghi \u00e2m.<\/li>\n<li>Th\u00f4ng b\u00e1o kh\u1ea9n c\u1ea5p.<\/li>\n<li>H\u01b0\u1edbng d\u1eabn ra v\u00e0o \u0111\u1ecba \u0111i\u1ec3m.<\/li>\n<li>Li\u00ean l\u1ea1c h\u00e0ng h\u1ea3i.<\/li>\n<li>C\u1ea3nh b\u00e1o v\u00e0 b\u00e1o \u0111\u1ed9ng t\u1ea1i v\u00e0nh \u0111ai.<\/li>\n<li>H\u1ed7 tr\u1ee3 c\u00e1c quy tr\u00ecnh s\u01a1 t\u00e1n.<\/li>\n<\/ul>\n<p>Thu\u1eadt ng\u1eef LRAD, t\u1ee9c thi\u1ebft b\u1ecb \u00e2m thanh t\u1ea7m xa, c\u0169ng c\u00f3 th\u1ec3 xu\u1ea5t hi\u1ec7n khi t\u00ecm ki\u1ebfm s\u1ea3n ph\u1ea9m qu\u1ed1c t\u1ebf. Tuy nhi\u00ean, c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t v\u00e0 m\u1eabu thi\u1ebft b\u1ecb kh\u00e1c nhau c\u00f3 th\u1ec3 c\u00f3 c\u1ea5u tr\u00fac, \u0111\u1eb7c t\u00ednh \u0111\u1ea7u ra v\u00e0 \u1ee9ng d\u1ee5ng d\u1ef1 ki\u1ebfn kh\u00e1c nhau. Ng\u01b0\u1eddi mua lu\u00f4n n\u00ean so s\u00e1nh th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt th\u1ef1c t\u1ebf c\u1ee7a s\u1ea3n ph\u1ea9m thay v\u00ec ch\u1ec9 d\u1ef1a v\u00e0o m\u1ed9t t\u1eeb vi\u1ebft t\u1eaft.<\/p>\n<p>\u0110\u1ed1i v\u1edbi c\u00e1c d\u1ef1 \u00e1n c\u00f4ng nghi\u1ec7p v\u00e0 an ninh, t\u1ed1t nh\u1ea5t n\u00ean coi h\u1ec7 th\u1ed1ng \u00e2m thanh l\u00e0 m\u1ed9t ph\u1ea7n c\u1ee7a ki\u1ebfn tr\u00fac li\u00ean l\u1ea1c v\u00e0 an to\u00e0n t\u1ed5ng th\u1ec3.<\/p>\n<h2>Thi\u1ebft b\u1ecb ph\u00e1t th\u00f4ng b\u00e1o \u00e2m thanh \u0111\u1ecbnh h\u01b0\u1edbng ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o?<\/h2>\n<p>H\u1ec7 th\u1ed1ng \u00e2m thanh \u0111\u1ecbnh h\u01b0\u1edbng s\u1eed d\u1ee5ng m\u1ed9t m\u1ea3ng c\u00e1c b\u1ed9 ph\u1eadn \u00e2m thanh \u0111\u1ec3 t\u1ea1o v\u00e0 h\u01b0\u1edbng \u00e2m thanh t\u1edbi khu v\u1ef1c \u0111\u01b0\u1ee3c ch\u1ecdn. H\u1ec7 th\u1ed1ng \u0111i\u1ec7n t\u1eed c\u1ee7a thi\u1ebft b\u1ecb nh\u1eadn t\u00edn hi\u1ec7u \u00e2m thanh t\u1eeb micr\u00f4, b\u1ed9 l\u01b0u tr\u1eef \u00e2m thanh ho\u1eb7c ngu\u1ed3n li\u00ean l\u1ea1c b\u00ean ngo\u00e0i v\u00e0 chuy\u1ec3n \u0111\u1ed5i th\u00e0nh t\u00edn hi\u1ec7u \u0111\u1ea7u ra.<\/p>\n<p>Sau \u0111\u00f3, c\u00e1c b\u1ed9 ph\u1eadn \u00e2m thanh t\u00e1i t\u1ea1o th\u00f4ng \u0111i\u1ec7p b\u1eb1ng gi\u1ecdng n\u00f3i. C\u00e1ch b\u1ed1 tr\u00ed c\u00e1c b\u1ed9 ph\u1eadn n\u00e0y gi\u00fap ki\u1ec3m so\u00e1t ch\u00f9m \u00e2m thanh v\u00e0 c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng li\u00ean l\u1ea1c \u1edf kho\u1ea3ng c\u00e1ch xa h\u01a1n.<\/p>\n<p>M\u1ed9t h\u1ec7 th\u1ed1ng \u0111i\u1ec3n h\u00ecnh bao g\u1ed3m:<\/p>\n<table style=\"height: 347px;\" width=\"1100\">\n<tbody>\n<tr>\n<th style=\"text-align: left;\">Th\u00e0nh ph\u1ea7n<\/th>\n<th style=\"text-align: left;\">Ch\u1ee9c n\u0103ng ch\u00ednh<\/th>\n<\/tr>\n<tr>\n<td>M\u1ea3ng b\u1ed9 chuy\u1ec3n \u0111\u1ed5i \u00e2m thanh<\/td>\n<td>Ph\u00e1t \u00e2m thanh<\/td>\n<\/tr>\n<tr>\n<td>B\u1ed9 khu\u1ebfch \u0111\u1ea1i \u00e2m thanh<\/td>\n<td>C\u1ea5p t\u00edn hi\u1ec7u \u0111i\u1ec1u khi\u1ec3n cho c\u00e1c b\u1ed9 ph\u1eadn \u00e2m thanh<\/td>\n<\/tr>\n<tr>\n<td>Micr\u00f4<\/td>\n<td>H\u1ed7 tr\u1ee3 ph\u00e1t th\u00f4ng b\u00e1o b\u1eb1ng gi\u1ecdng n\u00f3i tr\u1ef1c ti\u1ebfp<\/td>\n<\/tr>\n<tr>\n<td>B\u1ed9 l\u01b0u tr\u1eef \u00e2m thanh<\/td>\n<td>L\u01b0u tr\u1eef th\u00f4ng \u0111i\u1ec7p ghi \u00e2m<\/td>\n<\/tr>\n<tr>\n<td>B\u1ed9 \u0111i\u1ec1u khi\u1ec3n<\/td>\n<td>Qu\u1ea3n l\u00fd c\u00e1c ch\u1ee9c n\u0103ng v\u1eadn h\u00e0nh<\/td>\n<\/tr>\n<tr>\n<td>B\u1ed9 ngu\u1ed3n<\/td>\n<td>Cung c\u1ea5p \u0111i\u1ec7n n\u0103ng<\/td>\n<\/tr>\n<tr>\n<td>C\u1ee5m g\u00e1 l\u1eafp<\/td>\n<td>H\u1ed7 tr\u1ee3 l\u1eafp \u0111\u1eb7t c\u1ed1 \u0111\u1ecbnh ho\u1eb7c di \u0111\u1ed9ng<\/td>\n<\/tr>\n<tr>\n<td>Giao di\u1ec7n truy\u1ec1n th\u00f4ng<\/td>\n<td>K\u1ebft n\u1ed1i thi\u1ebft b\u1ecb \u0111i\u1ec1u khi\u1ec3n b\u00ean ngo\u00e0i<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Ch\u00f9m \u00e2m thanh l\u00e0 m\u1ed9t \u0111\u1eb7c \u0111i\u1ec3m thi\u1ebft k\u1ebf quan tr\u1ecdng. Ch\u00f9m h\u1eb9p h\u01a1n cho ph\u1ea1m vi bao ph\u1ee7 t\u1eadp trung theo h\u01b0\u1edbng h\u01a1n, trong khi ch\u00f9m r\u1ed9ng h\u01a1n c\u00f3 th\u1ec3 bao ph\u1ee7 m\u1ed9t khu v\u1ef1c ngang l\u1edbn h\u01a1n.<\/p>\n<p>\u0110i\u1ec1u n\u00e0y kh\u00f4ng c\u00f3 ngh\u0129a l\u00e0 ch\u00f9m \u00e2m thanh c\u00e0ng h\u1eb9p lu\u00f4n c\u00e0ng t\u1ed1t. Thi\u1ebft k\u1ebf ph\u00f9 h\u1ee3p ph\u1ee5 thu\u1ed9c v\u00e0o h\u00ecnh d\u1ea1ng v\u00e0 b\u1ed1 c\u1ee5c c\u1ee7a \u0111\u1ecba \u0111i\u1ec3m&#8217;, khu v\u1ef1c c\u1ea7n li\u00ean l\u1ea1c, ti\u1ebfng \u1ed3n n\u1ec1n v\u00e0 s\u1ed1 l\u01b0\u1ee3ng ng\u01b0\u1eddi ho\u1eb7c \u0111\u1ecba \u0111i\u1ec3m c\u1ea7n nh\u1eadn th\u00f4ng \u0111i\u1ec7p.<\/p>\n<h2>Thi\u1ebft b\u1ecb \u00e2m thanh \u0111\u1ecbnh h\u01b0\u1edbng hay \u0111a h\u01b0\u1edbng: Lo\u1ea1i n\u00e0o t\u1ed1t h\u01a1n?<\/h2>\n<p>Quy\u1ebft \u0111\u1ecbnh quan tr\u1ecdng \u0111\u1ea7u ti\u00ean l\u00e0 d\u1ef1 \u00e1n c\u1ea7n li\u00ean l\u1ea1c \u0111\u1ecbnh h\u01b0\u1edbng hay ph\u00e1t th\u00f4ng b\u00e1o tr\u00ean di\u1ec7n r\u1ed9ng.<\/p>\n<p>Thi\u1ebft b\u1ecb \u00e2m thanh \u0111\u1ecbnh h\u01b0\u1edbng t\u1eadp trung \u00e2m thanh t\u1edbi m\u1ed9t khu v\u1ef1c \u0111\u01b0\u1ee3c ch\u1ecdn. Ch\u00fang h\u1eefu \u00edch khi ng\u01b0\u1eddi v\u1eadn h\u00e0nh c\u1ea7n li\u00ean l\u1ea1c v\u1edbi m\u1ed9t v\u1ecb tr\u00ed c\u1ee5 th\u1ec3, ch\u1eb3ng h\u1ea1n nh\u01b0 l\u1ed1i v\u00e0o \u1edf xa, t\u00e0u thuy\u1ec1n, ranh gi\u1edbi c\u01a1 s\u1edf ho\u1eb7c \u0111i\u1ec3m ra v\u00e0o.<\/p>\n<p>Thi\u1ebft b\u1ecb \u00e2m thanh \u0111a h\u01b0\u1edbng c\u00f3 thi\u1ebft k\u1ebf kh\u00e1c. Thay v\u00ec t\u1eadp trung \u00e2m thanh theo m\u1ed9t h\u01b0\u1edbng, ch\u00fang bao ph\u1ee7 r\u1ed9ng h\u01a1n quanh v\u1ecb tr\u00ed l\u1eafp \u0111\u1eb7t.<\/p>\n<table style=\"height: 359px;\" width=\"976\">\n<tbody>\n<tr>\n<th style=\"text-align: left;\">So s\u00e1nh<\/th>\n<th style=\"text-align: left;\">H\u1ec7 th\u1ed1ng \u0111\u1ecbnh h\u01b0\u1edbng<\/th>\n<th style=\"text-align: left;\">H\u1ec7 th\u1ed1ng \u0111a h\u01b0\u1edbng<\/th>\n<\/tr>\n<tr>\n<td>V\u00f9ng ph\u1ee7 s\u00f3ng<\/td>\n<td>Khu v\u1ef1c t\u1eadp trung<\/td>\n<td>Khu v\u1ef1c xung quanh r\u1ed9ng h\u01a1n<\/td>\n<\/tr>\n<tr>\n<td>Ph\u00e2n b\u1ed1 \u00e2m thanh<\/td>\n<td>H\u01b0\u1edbng \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t<\/td>\n<td>Nhi\u1ec1u h\u01b0\u1edbng<\/td>\n<\/tr>\n<tr>\n<td>V\u1ecb tr\u00ed l\u1eafp \u0111\u1eb7t \u0111i\u1ec3n h\u00ecnh<\/td>\n<td>C\u1ed1 \u0111\u1ecbnh ho\u1eb7c di \u0111\u1ed9ng<\/td>\n<td>Th\u01b0\u1eddng l\u00e0 c\u1ed1 \u0111\u1ecbnh ho\u1eb7c d\u1ea1ng m\u00f4-\u0111un<\/td>\n<\/tr>\n<tr>\n<td>M\u1ee5c \u0111\u00edch ch\u00ednh<\/td>\n<td>Li\u00ean l\u1ea1c c\u00f3 m\u1ee5c ti\u00eau<\/td>\n<td>Ph\u00e1t th\u00f4ng b\u00e1o tr\u00ean to\u00e0n khu v\u1ef1c<\/td>\n<\/tr>\n<tr>\n<td>C\u1ea5u h\u00ecnh<\/td>\n<td>M\u1ea3ng \u00e2m thanh \u0111\u1ecbnh h\u01b0\u1edbng<\/td>\n<td>Nhi\u1ec1u b\u1ed9 ph\u1eadn \u00e2m thanh d\u1ea1ng \u0111\u0129a<\/td>\n<\/tr>\n<tr>\n<td>Y\u1ebfu t\u1ed1 c\u1ea7n c\u00e2n nh\u1eafc cho d\u1ef1 \u00e1n<\/td>\n<td>Ph\u1ea1m vi bao ph\u1ee7 v\u00e0 c\u0103n ch\u1ec9nh h\u01b0\u1edbng ch\u00f9m \u00e2m thanh<\/td>\n<td>B\u1ed1 c\u1ee5c khu v\u1ef1c v\u00e0 s\u1ef1 ph\u00e2n b\u1ed1 \u00e2m thanh<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Midradar cung c\u1ea5p c\u1ea3 hai c\u1ea5u h\u00ecnh.<\/p>\n<p>MR-LAD146-M v\u00e0 MR-LAD160-M l\u00e0 c\u00e1c m\u1eabu thi\u1ebft b\u1ecb \u0111\u1ecbnh h\u01b0\u1edbng di \u0111\u1ed9ng. MR-LAD152-PC<a href=\"https:\/\/midradar.com\/vi\/he-thong-dia-phan-tan-am-thanh-da-huong-mr-lad152-pc\/\">https:\/\/midradar.com\/mr-lad152-pc-omnidirectional-acoustic-dispersal-disc-system\/<\/a> s\u1eed d\u1ee5ng c\u00e1c m\u00f4-\u0111un \u0111\u0129a \u00e2m thanh \u0111\u1ec3 ph\u1ee7 s\u00f3ng 360\u00b0. S\u1ed1 l\u01b0\u1ee3ng \u0111\u0129a c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c l\u1ef1a ch\u1ecdn theo y\u00eau c\u1ea7u c\u1ee7a d\u1ef1 \u00e1n.<\/p>\n<p>\u0110\u1ec3 l\u1ef1a ch\u1ecdn \u0111\u00fang, ng\u01b0\u1eddi mua n\u00ean b\u1eaft \u0111\u1ea7u b\u1eb1ng m\u1ed9t c\u00e2u h\u1ecfi \u0111\u01a1n gi\u1ea3n:<\/p>\n<p>\u0110\u1ecba \u0111i\u1ec3m \u0111\u00f3 c\u1ea7n truy\u1ec1n th\u00f4ng tin \u0111\u1ebfn m\u1ed9t khu v\u1ef1c x\u00e1c \u0111\u1ecbnh hay ph\u00e1t th\u00f4ng b\u00e1o tr\u00ean m\u1ed9t kh\u00f4ng gian r\u1ed9ng h\u01a1n?<\/p>\n<p>Tr\u1ea3 l\u1eddi c\u00e2u h\u1ecfi n\u00e0y gi\u00fap thu h\u1eb9p ph\u1ea1m vi l\u1ef1a ch\u1ecdn lo\u1ea1i thi\u1ebft b\u1ecb ph\u00f9 h\u1ee3p.<\/p>\n<h2>C\u00e1c \u1ee9ng d\u1ee5ng ch\u00ednh c\u1ee7a h\u1ec7 th\u1ed1ng \u00e2m thanh t\u1ea7m xa l\u00e0 g\u00ec?<\/h2>\n<p>H\u1ec7 th\u1ed1ng \u00e2m thanh t\u1ea7m xa c\u00f3 th\u1ec3 h\u1ed7 tr\u1ee3 c\u00e1c ch\u1ee9c n\u0103ng truy\u1ec1n th\u00f4ng v\u00e0 c\u1ea3nh b\u00e1o trong nhi\u1ec1u ng\u00e0nh.<\/p>\n<h3>1. An to\u00e0n c\u1ea3ng v\u00e0 h\u00e0ng h\u1ea3i<\/h3>\n<p>C\u00e1c c\u1ea3ng v\u00e0 c\u01a1 s\u1edf ven bi\u1ec3n th\u01b0\u1eddng c\u00f3 di\u1ec7n t\u00edch r\u1ed9ng. Ng\u01b0\u1eddi v\u1eadn h\u00e0nh c\u00f3 th\u1ec3 c\u1ea7n li\u00ean l\u1ea1c v\u1edbi t\u00e0u thuy\u1ec1n, c\u00e1c \u0111\u1ed9i d\u1ecbch v\u1ee5 v\u00e0 nh\u00e2n vi\u00ean l\u00e0m vi\u1ec7c quanh khu v\u1ef1c b\u1ed1c d\u1ee1 ho\u1eb7c l\u1ed1i v\u00e0o h\u1ea1n ch\u1ebf.<\/p>\n<p>H\u1ec7 th\u1ed1ng \u0111\u1ecbnh h\u01b0\u1edbng c\u00f3 th\u1ec3 truy\u1ec1n th\u00f4ng \u0111i\u1ec7p b\u1eb1ng gi\u1ecdng n\u00f3i t\u1eeb xa, trong khi c\u1ea5u h\u00ecnh c\u00f3 ph\u1ea1m vi ph\u1ee7 r\u1ed9ng h\u01a1n c\u00f3 th\u1ec3 h\u1ed7 tr\u1ee3 ph\u00e1t th\u00f4ng b\u00e1o chung.<\/p>\n<h3>2. <a href=\"https:\/\/midradar.com\/vi\/an-ninh-san-bay\/\">Ho\u1ea1t \u0111\u1ed9ng s\u00e2n bay<\/a><\/h3>\n<p>S\u00e2n bay bao g\u1ed3m \u0111\u01b0\u1eddng b\u0103ng, nh\u00e0 ga, \u0111\u01b0\u1eddng c\u00f4ng v\u1ee5, khu v\u1ef1c v\u00e0nh \u0111ai v\u00e0 c\u00e1c khu v\u1ef1c v\u1eadn h\u00e0nh kh\u00e1c. Thi\u1ebft b\u1ecb truy\u1ec1n th\u00f4ng \u00e2m thanh c\u00f3 th\u1ec3 h\u1ed7 tr\u1ee3 m\u1ed9t s\u1ed1 ch\u1ee9c n\u0103ng c\u1ea3nh b\u00e1o v\u00e0 ph\u00e1t th\u00f4ng b\u00e1o khi \u0111\u01b0\u1ee3c t\u00edch h\u1ee3p v\u00e0o k\u1ebf ho\u1ea1ch truy\u1ec1n th\u00f4ng ph\u00f9 h\u1ee3p c\u1ee7a s\u00e2n bay.<\/p>\n<h3>3. C\u01a1 s\u1edf c\u00f4ng nghi\u1ec7p v\u00e0 n\u0103ng l\u01b0\u1ee3ng<\/h3>\n<p>C\u00e1c c\u01a1 s\u1edf c\u00f4ng nghi\u1ec7p l\u1edbn c\u00f3 th\u1ec3 bao g\u1ed3m m\u00e1y m\u00f3c, khu v\u1ef1c l\u01b0u tr\u1eef, \u0111\u01b0\u1eddng \u1ed1ng v\u00e0 nhi\u1ec1u \u0111i\u1ec3m ra v\u00e0o. Thi\u1ebft b\u1ecb c\u1ea3nh b\u00e1o \u00e2m thanh c\u00f3 th\u1ec3 gi\u00fap truy\u1ec1n \u0111\u1ea1t h\u01b0\u1edbng d\u1eabn \u0111\u1ebfn c\u00e1c khu v\u1ef1c \u0111\u01b0\u1ee3c ch\u1ec9 \u0111\u1ecbnh.<\/p>\n<h3>4. \u1ee8ng ph\u00f3 kh\u1ea9n c\u1ea5p<\/h3>\n<p>C\u00e1c \u0111\u1ed9i c\u1ee9u h\u1ecfa v\u00e0 c\u1ee9u h\u1ed9 c\u00f3 th\u1ec3 c\u1ea7n truy\u1ec1n \u0111\u1ea1t h\u01b0\u1edbng d\u1eabn tr\u00ean nh\u1eefng kh\u00f4ng gian r\u1ed9ng, \u0111\u1ecba h\u00ecnh kh\u00f3 kh\u0103n ho\u1eb7c trong m\u00f4i tr\u01b0\u1eddng \u1ed3n \u00e0o. Thi\u1ebft b\u1ecb di \u0111\u1ed9ng c\u00f3 th\u1ec3 cung c\u1ea5p th\u00eam m\u1ed9t k\u00eanh truy\u1ec1n th\u00f4ng khi kh\u00f4ng c\u00f3 h\u1ec7 th\u1ed1ng truy\u1ec1n thanh th\u00f4ng th\u01b0\u1eddng.<\/p>\n<h3>5. C\u01a1 s\u1edf h\u1ea1 t\u1ea7ng tr\u1ecdng y\u1ebfu<\/h3>\n<p>C\u00e1c c\u01a1 s\u1edf \u0111i\u1ec7n, c\u01a1 s\u1edf c\u1ea5p n\u01b0\u1edbc, trung t\u00e2m giao th\u00f4ng v\u00e0 nh\u1eefng \u0111\u1ecba \u0111i\u1ec3m quan tr\u1ecdng kh\u00e1c c\u00f3 th\u1ec3 c\u1ea7n thi\u1ebft b\u1ecb c\u1ea3nh b\u00e1o v\u00e0 truy\u1ec1n th\u00f4ng \u0111\u1ed9c l\u1eadp.<\/p>\n<p>C\u00e1c \u1ee9ng d\u1ee5ng n\u00e0y cho th\u1ea5y v\u00ec sao c\u1ea7n l\u1ef1a ch\u1ecdn thi\u1ebft b\u1ecb truy\u1ec1n th\u00f4ng \u00e2m thanh theo m\u00f4i tr\u01b0\u1eddng v\u1eadn h\u00e0nh thay v\u00ec ch\u1ec9 d\u1ef1a v\u00e0o t\u1ea7m ho\u1ea1t \u0111\u1ed9ng t\u1ed1i \u0111a \u0111\u01b0\u1ee3c qu\u1ea3ng c\u00e1o.<\/p>\n<h2>Nh\u1eefng y\u1ebfu t\u1ed1 n\u00e0o \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 r\u00f5 c\u1ee7a gi\u1ecdng n\u00f3i \u1edf kho\u1ea3ng c\u00e1ch xa?<\/h2>\n<p>Kho\u1ea3ng c\u00e1ch truy\u1ec1n \u00e2m \u0111\u01b0\u1ee3c qu\u1ea3ng c\u00e1o c\u1ee7a s\u1ea3n ph\u1ea9m&#8217; kh\u00f4ng m\u1eb7c nhi\u00ean \u0111\u1ea3m b\u1ea3o gi\u1ecdng n\u00f3i r\u00f5 r\u00e0ng \u1edf kho\u1ea3ng c\u00e1ch \u0111\u00f3.<\/p>\n<p>S\u1ef1 truy\u1ec1n \u00e2m ph\u1ee5 thu\u1ed9c v\u00e0o nhi\u1ec1u y\u1ebfu t\u1ed1 li\u00ean quan \u0111\u1ebfn m\u00f4i tr\u01b0\u1eddng v\u00e0 thi\u1ebft b\u1ecb.<\/p>\n<p>Ti\u1ebfng \u1ed3n n\u1ec1n: Giao th\u00f4ng, m\u00e1y m\u00f3c c\u00f4ng nghi\u1ec7p, \u0111\u1ed9ng c\u01a1, gi\u00f3 v\u00e0 c\u00e1c ngu\u1ed3n \u00e2m thanh kh\u00e1c c\u00f3 th\u1ec3 l\u00e0m gi\u1ea3m \u0111\u1ed9 r\u00f5 c\u1ee7a th\u00f4ng \u0111i\u1ec7p.<\/p>\n<p>Kho\u1ea3ng c\u00e1ch: N\u0103ng l\u01b0\u1ee3ng \u00e2m thanh gi\u1ea3m d\u1ea7n trong qu\u00e1 tr\u00ecnh truy\u1ec1n \u0111i. Th\u00f4ng \u0111i\u1ec7p nh\u1eadn \u0111\u01b0\u1ee3c c\u00f3 th\u1ec3 k\u00e9m r\u00f5 h\u01a1n khi ng\u01b0\u1eddi nghe \u1edf xa ngu\u1ed3n \u00e2m h\u01a1n.<\/p>\n<p>Gi\u00f3 v\u00e0 th\u1eddi ti\u1ebft: H\u01b0\u1edbng gi\u00f3, nhi\u1ec7t \u0111\u1ed9, \u0111\u1ed9 \u1ea9m v\u00e0 \u0111i\u1ec1u ki\u1ec7n kh\u00ed quy\u1ec3n c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn s\u1ef1 truy\u1ec1n \u00e2m ngo\u00e0i tr\u1eddi.<\/p>\n<p>V\u1ecb tr\u00ed l\u1eafp \u0111\u1eb7t: K\u1ebft c\u1ea5u c\u00f4ng tr\u00ecnh, t\u01b0\u1eddng, \u0111\u1ecba h\u00ecnh v\u00e0 c\u00e1c v\u1eadt c\u1ea3n kh\u00e1c c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u01b0\u1eddng truy\u1ec1n \u00e2m.<\/p>\n<p>Ph\u1ea1m vi ph\u1ee7 s\u00f3ng \u0111\u1ecbnh h\u01b0\u1edbng: Ng\u01b0\u1eddi nghe ph\u1ea3i \u1edf trong v\u00f9ng ph\u1ee7 s\u00f3ng hi\u1ec7u qu\u1ea3 c\u1ee7a thi\u1ebft b\u1ecb.<\/p>\n<p>Ch\u1ea5t l\u01b0\u1ee3ng \u00e2m thanh: B\u1ea3n ghi ch\u1ea5t l\u01b0\u1ee3ng k\u00e9m, ph\u00e1t \u00e2m kh\u00f4ng r\u00f5 v\u00e0 ti\u1ebfng \u1ed3n n\u1ec1n qu\u00e1 l\u1edbn c\u00f3 th\u1ec3 l\u00e0m gi\u1ea3m kh\u1ea3 n\u0103ng nghe hi\u1ec3u ngay c\u1ea3 khi ph\u1ea7n c\u1ee9ng \u0111\u00e1p \u1ee9ng y\u00eau c\u1ea7u.<\/p>\n<p>D\u1ea3i t\u1ea7n s\u1ed1 l\u00e0 m\u1ed9t th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt quan tr\u1ecdng kh\u00e1c. Th\u00f4ng s\u1ed1 n\u00e0y m\u00f4 t\u1ea3 d\u1ea3i t\u1ea7n s\u1ed1 \u00e2m thanh m\u00e0 thi\u1ebft b\u1ecb t\u00e1i t\u1ea1o. Tuy nhi\u00ean, ch\u1ec9 ri\u00eang d\u1ea3i t\u1ea7n r\u1ed9ng kh\u00f4ng ch\u1ee9ng minh \u0111\u01b0\u1ee3c r\u1eb1ng c\u00e1c th\u00f4ng \u0111i\u1ec7p b\u1eb1ng gi\u1ecdng n\u00f3i s\u1ebd lu\u00f4n r\u00f5 r\u00e0ng trong m\u00f4i tr\u01b0\u1eddng ngo\u00e0i tr\u1eddi th\u1ef1c t\u1ebf.<\/p>\n<p>Ch\u00fang t\u00f4i khuy\u1ebfn ngh\u1ecb \u0111\u00e1nh gi\u00e1 kh\u1ea3 n\u0103ng nghe hi\u1ec3u gi\u1ecdng n\u00f3i th\u1ef1c t\u1ebf th\u00f4ng qua c\u00e1c th\u1eed nghi\u1ec7m mang t\u00ednh \u0111\u1ea1i di\u1ec7n t\u1ea1i \u0111\u1ecba \u0111i\u1ec3m tri\u1ec3n khai.<\/p>\n<p>M\u1ed9t th\u1eed nghi\u1ec7m nghi\u1ec7m thu h\u1eefu \u00edch n\u00ean bao g\u1ed3m nhi\u1ec1u lo\u1ea1i th\u00f4ng \u0111i\u1ec7p, \u0111i\u1ec1u ki\u1ec7n m\u00f4i tr\u01b0\u1eddng n\u1ec1n, v\u1ecb tr\u00ed nghe v\u00e0 kho\u1ea3ng c\u00e1ch v\u1eadn h\u00e0nh kh\u00e1c nhau.<\/p>\n<h2>L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 ch\u1ecdn thi\u1ebft b\u1ecb ph\u00e1t th\u00f4ng \u0111i\u1ec7p \u00e2m thanh ph\u00f9 h\u1ee3p?<\/h2>\n<p>C\u00e1c d\u1ef1 \u00e1n kh\u00e1c nhau c\u1ea7n nh\u1eefng c\u1ea5u h\u00ecnh thi\u1ebft b\u1ecb kh\u00e1c nhau. Thi\u1ebft b\u1ecb di \u0111\u1ed9ng cho c\u00e1c \u0111\u1ed9i \u1ee9ng ph\u00f3 kh\u1ea9n c\u1ea5p c\u00f3 nh\u1eefng y\u00eau c\u1ea7u kh\u00e1c v\u1edbi h\u1ec7 th\u1ed1ng l\u1eafp \u0111\u1eb7t c\u1ed1 \u0111\u1ecbnh ph\u1ee7 s\u00f3ng m\u1ed9t c\u01a1 s\u1edf c\u00f4ng nghi\u1ec7p l\u1edbn.<\/p>\n<p>Danh m\u1ee5c s\u1ea3n ph\u1ea9m c\u1ee7a Midradar&#8217; bao g\u1ed3m nhi\u1ec1u c\u1ea5u h\u00ecnh:<\/p>\n<table>\n<tbody>\n<tr>\n<th>Gi\u1ea3i ph\u00e1p an ninh t\u00edch h\u1ee3p chuy\u00ean d\u1ee5ng, h\u1ed7 tr\u1ee3 gi\u00e1m s\u00e1t li\u00ean t\u1ee5c, \u0111\u00e1nh gi\u00e1 r\u1ee7i ro v\u00e0 ph\u1ea3n \u1ee9ng v\u1eadn h\u00e0nh hi\u1ec7u qu\u1ea3.<\/th>\n<th>C\u1ea5u h\u00ecnh s\u1ea3n ph\u1ea9m<\/th>\n<th>H\u01b0\u1edbng \u1ee9ng d\u1ee5ng ch\u00ednh<\/th>\n<\/tr>\n<tr>\n<td>MR-LAD146-M<\/td>\n<td>Thi\u1ebft b\u1ecb \u00e2m thanh \u0111\u1ecbnh h\u01b0\u1edbng di \u0111\u1ed9ng<\/td>\n<td>Truy\u1ec1n th\u00f4ng b\u1eb1ng gi\u1ecdng n\u00f3i c\u01a1 \u0111\u1ed9ng v\u00e0 c\u1ea3nh b\u00e1o t\u1eeb xa<\/td>\n<\/tr>\n<tr>\n<td>MR-LAD160-M<\/td>\n<td>Thi\u1ebft b\u1ecb \u0111\u1ecbnh h\u01b0\u1edbng di \u0111\u1ed9ng c\u00f4ng su\u1ea5t cao<\/td>\n<td>Truy\u1ec1n th\u00f4ng v\u00e0 c\u1ea3nh b\u00e1o ngo\u00e0i tr\u1eddi<\/td>\n<\/tr>\n<tr>\n<td>MR-LAD152-PC<\/td>\n<td>H\u1ec7 th\u1ed1ng \u0111\u0129a \u00e2m thanh \u0111a h\u01b0\u1edbng d\u1ea1ng m\u00f4-\u0111un<\/td>\n<td>Ph\u00e1t th\u00f4ng b\u00e1o tr\u00ean di\u1ec7n r\u1ed9ng 360\u00b0<\/td>\n<\/tr>\n<tr>\n<td>MR-LAD156-C<\/td>\n<td>H\u1ec7 th\u1ed1ng \u0111\u1ecbnh h\u01b0\u1edbng l\u1eafp tr\u00ean xe<\/td>\n<td>Truy\u1ec1n th\u00f4ng c\u01a1 \u0111\u1ed9ng t\u1ea1i \u0111\u1ecba \u0111i\u1ec3m tri\u1ec3n khai<\/td>\n<\/tr>\n<tr>\n<td>MR-LAD166-PT<\/td>\n<td>H\u1ec7 th\u1ed1ng \u00e2m thanh \u0111\u1ecbnh h\u01b0\u1edbng v\u1edbi t\u00f9y ch\u1ecdn l\u1eafp \u0111\u1eb7t tr\u00ean b\u1ed9 quay qu\u00e9t<\/td>\n<td>\u0110\u1ecbnh v\u1ecb linh ho\u1ea1t<\/td>\n<\/tr>\n<tr>\n<td>MR-LAD166-IR1500-PT<\/td>\n<td>H\u1ec7 th\u1ed1ng \u00e2m thanh v\u00e0 quang h\u1ecdc t\u00edch h\u1ee3p b\u1ed9 quay qu\u00e9t<\/td>\n<td>Thi\u1ebft b\u1ecb truy\u1ec1n th\u00f4ng k\u1ebft h\u1ee3p \u00e2m thanh v\u00e0 quang h\u1ecdc<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>M\u1ed9t s\u1ed1 th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt \u0111\u01b0\u1ee3c c\u00f4ng b\u1ed1 c\u00f3 th\u1ec3 gi\u00fap ng\u01b0\u1eddi mua hi\u1ec3u r\u00f5 s\u1ef1 kh\u00e1c bi\u1ec7t.<\/p>\n<p>V\u00ed d\u1ee5:<\/p>\n<ul>\n<li>MR-LAD146-M: Thi\u1ebft k\u1ebf di \u0111\u1ed9ng, tr\u1ecdng l\u01b0\u1ee3ng t\u1ed1i \u0111a 4 kg, s\u1eed d\u1ee5ng pin chuy\u00ean d\u1ee5ng v\u00e0 c\u1ea5p b\u1ea3o v\u1ec7 IP65.<\/li>\n<li>MR-LAD160-M: Thi\u1ebft k\u1ebf di \u0111\u1ed9ng, tr\u1ecdng l\u01b0\u1ee3ng t\u1ed1i \u0111a 10 kg, c\u1ea5u h\u00ecnh pin chuy\u00ean d\u1ee5ng v\u00e0 c\u1ea5p b\u1ea3o v\u1ec7 IP65.<\/li>\n<li>MR-LAD156-C: C\u1ea5u h\u00ecnh l\u1eafp tr\u00ean xe v\u1edbi tr\u1ecdng l\u01b0\u1ee3ng thi\u1ebft b\u1ecb \u0111\u01b0\u1ee3c c\u00f4ng b\u1ed1 kho\u1ea3ng 12 kg.<\/li>\n<li>MR-LAD152-PC: C\u1ea5u tr\u00fac \u0111\u0129a \u00e2m thanh 360\u00b0 d\u1ea1ng m\u00f4-\u0111un, t\u1ed5ng tr\u1ecdng l\u01b0\u1ee3ng d\u01b0\u1edbi 65 kg v\u00e0 c\u1ea5p b\u1ea3o v\u1ec7 IP65.<\/li>\n<\/ul>\n<p>\u0110\u00e2y l\u00e0 c\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt s\u1ea3n ph\u1ea9m do nh\u00e0 s\u1ea3n xu\u1ea5t c\u00f4ng b\u1ed1. Ng\u01b0\u1eddi mua n\u00ean y\u00eau c\u1ea7u t\u00e0i li\u1ec7u k\u1ef9 thu\u1eadt m\u1edbi nh\u1ea5t \u0111\u1ec3 x\u00e1c nh\u1eadn c\u1ea5u h\u00ecnh ch\u00ednh x\u00e1c v\u00e0 c\u00e1c ph\u1ee5 ki\u1ec7n \u0111i k\u00e8m.<\/p>\n<p>B\u1ea1n c\u00f3 th\u1ec3 t\u00ecm hi\u1ec3u to\u00e0n b\u1ed9 <a href=\"https:\/\/midradar.com\/vi\/danh-muc\/he-thong-ngan-chan-bang-am-thanh\/\">d\u00f2ng s\u1ea3n ph\u1ea9m h\u1ec7 th\u1ed1ng ph\u00e1t th\u00f4ng \u0111i\u1ec7p v\u00e0 r\u0103n \u0111e b\u1eb1ng \u00e2m thanh c\u1ee7a Midradar<\/a> \u0111\u1ec3 so s\u00e1nh c\u00e1c m\u1eabu hi\u1ec7n c\u00f3.<\/p>\n<div id=\"attachment_3844\" style=\"width: 610px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-3844\" class=\"wp-image-3844\" src=\"https:\/\/midradar.com\/wp-content\/uploads\/2026\/11\/Acoustic-Hailing-Deterrent-Systems-2.webp\" alt=\"\" width=\"600\" height=\"400\" srcset=\"https:\/\/midradar.com\/wp-content\/uploads\/2026\/11\/Acoustic-Hailing-Deterrent-Systems-2.webp 1536w, https:\/\/midradar.com\/wp-content\/uploads\/2026\/11\/Acoustic-Hailing-Deterrent-Systems-2-300x200.webp 300w, https:\/\/midradar.com\/wp-content\/uploads\/2026\/11\/Acoustic-Hailing-Deterrent-Systems-2-1024x683.webp 1024w, https:\/\/midradar.com\/wp-content\/uploads\/2026\/11\/Acoustic-Hailing-Deterrent-Systems-2-768x512.webp 768w, https:\/\/midradar.com\/wp-content\/uploads\/2026\/11\/Acoustic-Hailing-Deterrent-Systems-2-18x12.webp 18w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><p id=\"caption-attachment-3844\" class=\"wp-caption-text\">H\u1ec7 th\u1ed1ng ph\u00e1t thanh v\u00e0 r\u0103n \u0111e b\u1eb1ng \u00e2m thanh: thi\u1ebft b\u1ecb \u00e2m thanh t\u1ea7m xa ph\u1ee5c v\u1ee5 an to\u00e0n c\u00f4ng c\u1ed9ng<\/p><\/div>\n<h2>Decibel, \u00e1p su\u1ea5t \u00e2m v\u00e0 t\u00ednh \u0111\u1ecbnh h\u01b0\u1edbng c\u00f3 ngh\u0129a l\u00e0 g\u00ec?<\/h2>\n<p>Khi so s\u00e1nh c\u00e1c thi\u1ebft b\u1ecb \u00e2m thanh, ng\u01b0\u1eddi mua th\u01b0\u1eddng th\u1ea5y m\u1ee9c \u00e1p su\u1ea5t \u00e2m \u0111\u01b0\u1ee3c bi\u1ec3u th\u1ecb b\u1eb1ng dB. Decibel l\u00e0 \u0111\u01a1n v\u1ecb logarit d\u00f9ng \u0111\u1ec3 m\u00f4 t\u1ea3 m\u1ee9c \u00e2m thanh.<\/p>\n<p>Tuy nhi\u00ean, th\u00f4ng s\u1ed1 \u00e1p su\u1ea5t \u00e2m ch\u1ec9 l\u00e0 m\u1ed9t ph\u1ea7n c\u1ee7a qu\u00e1 tr\u00ecnh \u0111\u00e1nh gi\u00e1. Ch\u1ec9 ri\u00eang th\u00f4ng s\u1ed1 n\u00e0y kh\u00f4ng th\u1ec3 x\u00e1c \u0111\u1ecbnh \u0111\u1ed9 r\u00f5 c\u1ee7a l\u1eddi n\u00f3i, kho\u1ea3ng c\u00e1ch li\u00ean l\u1ea1c th\u1ef1c t\u1ebf hay c\u00e1c \u0111i\u1ec1u ki\u1ec7n ph\u01a1i nhi\u1ec5m an to\u00e0n.<\/p>\n<p>C\u00e1c th\u00f4ng s\u1ed1 quan tr\u1ecdng bao g\u1ed3m:<\/p>\n<ul>\n<li>M\u1ee9c \u00e1p su\u1ea5t \u00e2m c\u1ef1c \u0111\u1ea1i v\u00e0 m\u1ed1c tham chi\u1ebfu \u0111o l\u01b0\u1eddng t\u01b0\u01a1ng \u1ee9ng.<\/li>\n<li>G\u00f3c ch\u00f9m \u00e2m.<\/li>\n<li>\u0110\u00e1p tuy\u1ebfn t\u1ea7n s\u1ed1.<\/li>\n<li>\u0110\u1ed9 m\u00e9o \u00e2m thanh.<\/li>\n<li>\u0110\u1ed9 r\u00f5 c\u1ee7a l\u1eddi n\u00f3i.<\/li>\n<li>D\u1ea1ng ph\u1ee7 \u00e2m.<\/li>\n<li>Kh\u1ea3 n\u0103ng b\u1ea3o v\u1ec7 tr\u01b0\u1edbc t\u00e1c \u0111\u1ed9ng c\u1ee7a m\u00f4i tr\u01b0\u1eddng.<\/li>\n<li>Th\u1eddi gian v\u1eadn h\u00e0nh.<\/li>\n<\/ul>\n<p>T\u00ednh \u0111\u1ecbnh h\u01b0\u1edbng m\u00f4 t\u1ea3 m\u1ee9c \u0111\u1ed9 t\u1eadp trung c\u1ee7a \u00e2m thanh v\u00e0o m\u1ed9t khu v\u1ef1c c\u1ee5 th\u1ec3. \u0110\u00e2y l\u00e0 y\u1ebfu t\u1ed1 quan tr\u1ecdng \u0111\u1ed1i v\u1edbi c\u00e1c d\u1ef1 \u00e1n c\u1ea7n truy\u1ec1n th\u00f4ng t\u1eadp trung.<\/p>\n<p>Ng\u01b0\u1eddi mua c\u0169ng n\u00ean ph\u00e2n bi\u1ec7t kho\u1ea3ng c\u00e1ch ph\u00e1t t\u1ed1i \u0111a do nh\u00e0 s\u1ea3n xu\u1ea5t&#8217; c\u00f4ng b\u1ed1 v\u1edbi kho\u1ea3ng c\u00e1ch li\u00ean l\u1ea1c \u0111\u01b0\u1ee3c ki\u1ec3m nghi\u1ec7m trong c\u00e1c \u0111i\u1ec1u ki\u1ec7n x\u00e1c \u0111\u1ecbnh.<\/p>\n<p>V\u00ed d\u1ee5, gi\u00f3, v\u1eadt c\u1ea3n, ti\u1ebfng \u1ed3n n\u1ec1n v\u00e0 v\u1ecb tr\u00ed ng\u01b0\u1eddi nghe c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn c\u00e1c k\u1ebft qu\u1ea3 kh\u00e1c nhau \u1edf c\u00f9ng m\u1ed9t kho\u1ea3ng c\u00e1ch danh \u0111\u1ecbnh.<\/p>\n<p>Ch\u00fang t\u00f4i khuy\u1ebfn ngh\u1ecb y\u00eau c\u1ea7u cung c\u1ea5p c\u00e1c \u0111i\u1ec1u ki\u1ec7n \u0111o l\u01b0\u1eddng l\u00e0m c\u01a1 s\u1edf cho t\u1eebng th\u00f4ng s\u1ed1 hi\u1ec7u n\u0103ng quan tr\u1ecdng.<\/p>\n<p>Quan tr\u1ecdng nh\u1ea5t, h\u1ec7 th\u1ed1ng \u00e2m thanh c\u00f4ng su\u1ea5t l\u1edbn c\u1ea7n c\u00f3 k\u1ebf ho\u1ea1ch b\u1ea3o v\u1ec7 th\u00ednh gi\u00e1c ph\u00f9 h\u1ee3p. Kh\u00f4ng n\u00ean \u0111\u00e1nh gi\u00e1 thi\u1ebft b\u1ecb ch\u1ec9 d\u1ef1a tr\u00ean m\u1ee9c \u00e2m thanh m\u00e0 thi\u1ebft b\u1ecb c\u00f3 th\u1ec3 t\u1ea1o ra.<\/p>\n<h2>Ngu\u1ed3n \u0111i\u1ec7n v\u00e0 giao di\u1ec7n \u0111i\u1ec1u khi\u1ec3n \u1ea3nh h\u01b0\u1edfng nh\u01b0 th\u1ebf n\u00e0o \u0111\u1ebfn vi\u1ec7c tri\u1ec3n khai?<\/h2>\n<p>C\u1ea7n x\u00e1c nh\u1eadn c\u00e1c y\u00eau c\u1ea7u v\u1ec1 ngu\u1ed3n \u0111i\u1ec7n v\u00e0 \u0111i\u1ec1u khi\u1ec3n tr\u01b0\u1edbc khi mua thi\u1ebft b\u1ecb.<\/p>\n<p>C\u00e1c h\u1ec7 th\u1ed1ng di \u0111\u1ed9ng c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng b\u1ed9 pin chuy\u00ean d\u1ee5ng, trong khi nh\u1eefng h\u1ec7 th\u1ed1ng l\u1eafp \u0111\u1eb7t l\u1edbn h\u01a1n c\u00f3 th\u1ec3 c\u1ea7n ngu\u1ed3n \u0111i\u1ec7n b\u00ean ngo\u00e0i. M\u1ed9t s\u1ed1 h\u1ec7 th\u1ed1ng m\u00f4-\u0111un c\u0169ng h\u1ed7 tr\u1ee3 c\u00e1c ph\u01b0\u01a1ng \u00e1n c\u1ea5p ngu\u1ed3n thay th\u1ebf t\u00f9y theo c\u1ea5u h\u00ecnh.<\/p>\n<p>C\u00e1c ch\u1ee9c n\u0103ng \u0111i\u1ec1u khi\u1ec3n c\u00f3 th\u1ec3 bao g\u1ed3m:<\/p>\n<ul>\n<li>\u0110\u1ea7u v\u00e0o gi\u1ecdng n\u00f3i tr\u1ef1c ti\u1ebfp.<\/li>\n<li>Ph\u00e1t l\u1ea1i \u00e2m thanh \u0111\u00e3 ghi.<\/li>\n<li>K\u00edch ho\u1ea1t t\u1eeb xa.<\/li>\n<li>Giao ti\u1ebfp qua m\u1ea1ng.<\/li>\n<li>\u0110i\u1ec1u khi\u1ec3n kh\u00f4ng d\u00e2y khi \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3.<\/li>\n<li>Gi\u00e1m s\u00e1t tr\u1ea1ng th\u00e1i h\u1ec7 th\u1ed1ng.<\/li>\n<li>T\u00edch h\u1ee3p \u0111i\u1ec1u khi\u1ec3n t\u1eeb b\u00ean ngo\u00e0i.<\/li>\n<\/ul>\n<p>V\u00ed d\u1ee5, trang s\u1ea3n ph\u1ea9m MR-LAD152-PC li\u1ec7t k\u00ea c\u00e1c giao di\u1ec7n giao ti\u1ebfp TCP\/IP v\u00e0 kh\u00f4ng d\u00e2y t\u00f9y ch\u1ecdn. Ki\u1ebfn tr\u00fac m\u00f4-\u0111un c\u1ee7a s\u1ea3n ph\u1ea9m c\u0169ng cho ph\u00e9p c\u1ea5u h\u00ecnh s\u1ed1 l\u01b0\u1ee3ng \u0111\u0129a \u00e2m thanh theo nhu c\u1ea7u d\u1ef1 \u00e1n.<\/p>\n<p>\u0110\u1ed1i v\u1edbi h\u1ec7 th\u1ed1ng g\u1eafn tr\u00ean xe, c\u1ea7n ch\u00fa \u00fd th\u00eam \u0111\u1ebfn kh\u00f4ng gian l\u1eafp \u0111\u1eb7t, ngu\u1ed3n \u0111i\u1ec7n c\u1ee7a xe, vi\u1ec7c b\u1ea3o v\u1ec7 c\u00e1p, \u0111\u1ed9 rung v\u00e0 kh\u1ea3 n\u0103ng \u0111i\u1ec1u khi\u1ec3n c\u1ee7a ng\u01b0\u1eddi v\u1eadn h\u00e0nh.<\/p>\n<p>\u0110\u1ed1i v\u1edbi c\u00e1c h\u1ec7 th\u1ed1ng l\u1eafp \u0111\u1eb7t c\u1ed1 \u0111\u1ecbnh, k\u1ef9 s\u01b0 n\u00ean \u0111\u00e1nh gi\u00e1 kh\u1ea3 n\u0103ng b\u1ea3o v\u1ec7 c\u1ee7a v\u1ecf thi\u1ebft b\u1ecb, c\u00e1ch \u0111i c\u00e1p, ti\u1ebfp \u0111\u1ecba, \u0111\u1ed9 ch\u1eafc ch\u1eafn c\u1ee7a k\u1ebft c\u1ea5u l\u1eafp \u0111\u1eb7t v\u00e0 kh\u1ea3 n\u0103ng ti\u1ebfp c\u1eadn \u0111\u1ec3 b\u1ea3o tr\u00ec.<\/p>\n<p>C\u00e1ch ti\u1ebfp c\u1eadn t\u1ed1t nh\u1ea5t l\u00e0 x\u00e1c \u0111\u1ecbnh to\u00e0n b\u1ed9 ki\u1ebfn tr\u00fac \u0111i\u1ec7n v\u00e0 \u0111i\u1ec1u khi\u1ec3n tr\u01b0\u1edbc khi l\u1eafp \u0111\u1eb7t, thay v\u00ec ch\u1ec9 xem x\u00e9t c\u00e1c y\u00eau c\u1ea7u n\u00e0y sau \u0111\u00f3.<\/p>\n<h2>C\u1ea7n ho\u00e0n t\u1ea5t nh\u1eefng b\u01b0\u1edbc ki\u1ec3m tra an to\u00e0n v\u00e0 tu\u00e2n th\u1ee7 n\u00e0o tr\u01b0\u1edbc khi l\u1eafp \u0111\u1eb7t?<\/h2>\n<p>Thi\u1ebft b\u1ecb \u00e2m thanh ph\u1ea3i \u0111\u01b0\u1ee3c v\u1eadn h\u00e0nh v\u1edbi s\u1ef1 ch\u00fa \u00fd th\u00edch \u0111\u00e1ng \u0111\u1ebfn an to\u00e0n th\u00ednh gi\u00e1c v\u00e0 c\u00e1c quy \u0111\u1ecbnh \u0111\u1ecba ph\u01b0\u01a1ng.<\/p>\n<p>M\u1ee9c \u0111\u1ed9 ph\u01a1i nhi\u1ec5m \u00e2m thanh ph\u1ee5 thu\u1ed9c v\u00e0o c\u01b0\u1eddng \u0111\u1ed9, kho\u1ea3ng c\u00e1ch, th\u1eddi gian v\u00e0 t\u1ea7n su\u1ea5t l\u1eb7p l\u1ea1i. M\u1ee9c \u00e2m thanh c\u00f3 th\u1ec3 ch\u1ea5p nh\u1eadn \u0111\u01b0\u1ee3c trong m\u1ed9t th\u1eed nghi\u1ec7m ng\u1eafn c\u00f3 ki\u1ec3m so\u00e1t c\u00f3 th\u1ec3 kh\u00f4ng ph\u00f9 h\u1ee3p khi ph\u01a1i nhi\u1ec5m nhi\u1ec1u l\u1ea7n.<\/p>\n<p>Vi\u1ec7n An to\u00e0n v\u00e0 S\u1ee9c kh\u1ecfe Ngh\u1ec1 nghi\u1ec7p Qu\u1ed1c gia Hoa K\u1ef3 (NIOSH) khuy\u1ebfn ngh\u1ecb gi\u1edbi h\u1ea1n ph\u01a1i nhi\u1ec5m ti\u1ebfng \u1ed3n ngh\u1ec1 nghi\u1ec7p l\u00e0 85 dBA, t\u00ednh trung b\u00ecnh trong m\u1ed9t ng\u00e0y l\u00e0m vi\u1ec7c t\u00e1m gi\u1edd. OSHA c\u0169ng y\u00eau c\u1ea7u tri\u1ec3n khai c\u00e1c ch\u01b0\u01a1ng tr\u00ecnh b\u1ea3o v\u1ec7 th\u00ednh gi\u00e1c khi m\u1ee9c ph\u01a1i nhi\u1ec5m c\u1ee7a ng\u01b0\u1eddi lao \u0111\u1ed9ng thu\u1ed9c di\u1ec7n \u00e1p d\u1ee5ng \u0111\u1ea1t m\u1ee9c trung b\u00ecnh c\u00f3 tr\u1ecdng s\u1ed1 theo th\u1eddi gian trong t\u00e1m gi\u1edd l\u00e0 85 dBA.<\/p>\n<p>\u0110\u00e2y l\u00e0 c\u00e1c ti\u00eau chu\u1ea9n ph\u01a1i nhi\u1ec5m ngh\u1ec1 nghi\u1ec7p, kh\u00f4ng ph\u1ea3i gi\u1edbi h\u1ea1n v\u1eadn h\u00e0nh an to\u00e0n \u00e1p d\u1ee5ng chung cho m\u1ecdi \u1ee9ng d\u1ee5ng \u00e2m thanh.<\/p>\n<p>Tr\u01b0\u1edbc khi l\u1eafp \u0111\u1eb7t, c\u00e1c nh\u00f3m d\u1ef1 \u00e1n n\u00ean xem x\u00e9t:<\/p>\n<ol start=\"1\">\n<li>\u0110\u00e1nh gi\u00e1 r\u1ee7i ro \u00e2m thanh theo \u0111\u1eb7c th\u00f9 \u0111\u1ecba \u0111i\u1ec3m.<\/li>\n<li>Quy tr\u00ecnh v\u1eadn h\u00e0nh v\u00e0 th\u1eed nghi\u1ec7m an to\u00e0n.<\/li>\n<li>\u0110\u00e0o t\u1ea1o ph\u00f9 h\u1ee3p cho ng\u01b0\u1eddi v\u1eadn h\u00e0nh.<\/li>\n<li>Trang b\u1ecb b\u1ea3o v\u1ec7 th\u00ednh gi\u00e1c cho nh\u00e2n vi\u00ean khi c\u1ea7n thi\u1ebft.<\/li>\n<li>H\u1ea1n ch\u1ebf ra v\u00e0o c\u00e1c khu v\u1ef1c th\u1eed nghi\u1ec7m \u0111\u01b0\u1ee3c ch\u1ec9 \u0111\u1ecbnh.<\/li>\n<li>C\u1ea3nh b\u00e1o v\u00e0 h\u01b0\u1edbng d\u1eabn v\u1eadn h\u00e0nh r\u00f5 r\u00e0ng.<\/li>\n<li>Tu\u00e2n th\u1ee7 c\u00e1c quy \u0111\u1ecbnh \u0111\u1ecba ph\u01b0\u01a1ng v\u1ec1 ti\u1ebfng \u1ed3n v\u00e0 h\u1ec7 th\u1ed1ng truy\u1ec1n thanh c\u00f4ng c\u1ed9ng.<\/li>\n<li>Quy tr\u00ecnh ki\u1ec3m tra v\u00e0 b\u1ea3o tr\u00ec \u0111\u01b0\u1ee3c l\u1eadp th\u00e0nh v\u0103n b\u1ea3n.<\/li>\n<\/ol>\n<p>\u0110\u1ed1i v\u1edbi c\u00e1c d\u1ef1 \u00e1n qu\u1ed1c t\u1ebf, y\u00eau c\u1ea7u ph\u00e1p l\u00fd c\u00f3 th\u1ec3 kh\u00e1c nhau gi\u1eefa c\u00e1c qu\u1ed1c gia v\u00e0 ng\u00e0nh ngh\u1ec1. C\u00e1c nh\u00e0 nh\u1eadp kh\u1ea9u v\u00e0 \u0111\u01a1n v\u1ecb t\u00edch h\u1ee3p h\u1ec7 th\u1ed1ng n\u00ean x\u00e1c minh nh\u1eefng y\u00eau c\u1ea7u \u0111\u1ecba ph\u01b0\u01a1ng \u00e1p d\u1ee5ng tr\u01b0\u1edbc khi mua s\u1eafm.<\/p>\n<p>M\u1ed9t d\u1ef1 \u00e1n c\u00f3 tr\u00e1ch nhi\u1ec7m n\u00ean \u01b0u ti\u00ean truy\u1ec1n \u0111\u1ea1t r\u00f5 r\u00e0ng, v\u1eadn h\u00e0nh c\u00f3 ki\u1ec3m so\u00e1t v\u00e0 b\u1ea3o v\u1ec7 nh\u00e2n vi\u00ean c\u0169ng nh\u01b0 c\u00f4ng ch\u00fang.<\/p>\n<div id=\"attachment_3845\" style=\"width: 610px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-3845\" class=\"wp-image-3845\" src=\"https:\/\/midradar.com\/wp-content\/uploads\/2026\/11\/Acoustic-Hailing-Deterrent-Systems-3.webp\" alt=\"\" width=\"600\" height=\"400\" srcset=\"https:\/\/midradar.com\/wp-content\/uploads\/2026\/11\/Acoustic-Hailing-Deterrent-Systems-3.webp 1536w, https:\/\/midradar.com\/wp-content\/uploads\/2026\/11\/Acoustic-Hailing-Deterrent-Systems-3-300x200.webp 300w, https:\/\/midradar.com\/wp-content\/uploads\/2026\/11\/Acoustic-Hailing-Deterrent-Systems-3-1024x683.webp 1024w, https:\/\/midradar.com\/wp-content\/uploads\/2026\/11\/Acoustic-Hailing-Deterrent-Systems-3-768x512.webp 768w, https:\/\/midradar.com\/wp-content\/uploads\/2026\/11\/Acoustic-Hailing-Deterrent-Systems-3-18x12.webp 18w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><p id=\"caption-attachment-3845\" class=\"wp-caption-text\">H\u1ec7 th\u1ed1ng ph\u00e1t thanh v\u00e0 r\u0103n \u0111e b\u1eb1ng \u00e2m thanh: thi\u1ebft b\u1ecb \u00e2m thanh t\u1ea7m xa ph\u1ee5c v\u1ee5 an to\u00e0n c\u00f4ng c\u1ed9ng<\/p><\/div>\n<h2>Midradar c\u00f3 th\u1ec3 h\u1ed7 tr\u1ee3 d\u1ef1 \u00e1n ph\u00e1t th\u00f4ng b\u00e1o b\u1eb1ng \u00e2m thanh theo y\u00eau c\u1ea7u nh\u01b0 th\u1ebf n\u00e0o?<\/h2>\n<p>Vi\u1ec7c l\u1ef1a ch\u1ecdn m\u1ed9t h\u1ec7 th\u1ed1ng \u00e2m thanh ph\u00f9 h\u1ee3p kh\u00f4ng ch\u1ec9 \u0111\u01a1n thu\u1ea7n l\u00e0 so s\u00e1nh s\u1ea3n ph\u1ea9m. Qu\u00e1 tr\u00ecnh n\u00e0y \u0111\u00f2i h\u1ecfi ph\u1ea3i hi\u1ec3u r\u00f5 \u0111\u1ecba \u0111i\u1ec3m, y\u00eau c\u1ea7u truy\u1ec1n th\u00f4ng, \u0111i\u1ec1u ki\u1ec7n l\u1eafp \u0111\u1eb7t v\u00e0 ki\u1ebfn tr\u00fac \u0111i\u1ec1u khi\u1ec3n.<\/p>\n<p>Midradar l\u00e0 nh\u00e0 cung c\u1ea5p c\u00f4ng ngh\u1ec7 gi\u00e1m s\u00e1t c\u00f3 tr\u1ee5 s\u1edf t\u1ea1i Trung Qu\u1ed1c, chuy\u00ean v\u1ec1 h\u1ec7 th\u1ed1ng radar, c\u00f4ng ngh\u1ec7 t\u1ea1o \u1ea3nh quang \u0111i\u1ec7n, t\u1ea1o \u1ea3nh nhi\u1ec7t, b\u1ec7 quay qu\u00e9t ngang-d\u1ecdc, thi\u1ebft b\u1ecb \u00e2m thanh v\u00e0 c\u00e1c gi\u1ea3i ph\u00e1p an ninh t\u00edch h\u1ee3p.<\/p>\n<p>Danh m\u1ee5c s\u1ea3n ph\u1ea9m \u00e2m thanh c\u1ee7a ch\u00fang t\u00f4i bao g\u1ed3m thi\u1ebft b\u1ecb \u0111\u1ecbnh h\u01b0\u1edbng di \u0111\u1ed9ng, h\u1ec7 th\u1ed1ng g\u1eafn tr\u00ean xe, h\u1ec7 th\u1ed1ng \u0111a h\u01b0\u1edbng d\u1ea1ng m\u00f4-\u0111un v\u00e0 c\u00e1c c\u1ea5u h\u00ecnh t\u00edch h\u1ee3p \u00e2m thanh-quang h\u1ecdc.<\/p>\n<p>\u0110\u1ed1i v\u1edbi ng\u01b0\u1eddi mua qu\u1ed1c t\u1ebf, \u0111\u01a1n v\u1ecb t\u00edch h\u1ee3p h\u1ec7 th\u1ed1ng, nh\u00e0 th\u1ea7u k\u1ef9 thu\u1eadt an ninh, nh\u00e0 ph\u00e2n ph\u1ed1i v\u00e0 \u0111\u01a1n v\u1ecb ph\u00e1t tri\u1ec3n d\u1ef1 \u00e1n, qu\u00e1 tr\u00ecnh l\u1ef1a ch\u1ecdn c\u00f3 th\u1ec3 b\u1eaft \u0111\u1ea7u b\u1eb1ng vi\u1ec7c r\u00e0 so\u00e1t k\u1ef9 thu\u1eadt c\u00e1c y\u00eau c\u1ea7u c\u1ee7a d\u1ef1 \u00e1n.<\/p>\n<p>Ch\u00fang t\u00f4i khuy\u1ebfn ngh\u1ecb cung c\u1ea5p c\u00e1c th\u00f4ng tin sau:<\/p>\n<ul>\n<li>\u1ee8ng d\u1ee5ng v\u00e0 l\u0129nh v\u1ef1c c\u1ee7a d\u1ef1 \u00e1n.<\/li>\n<li>Khu v\u1ef1c c\u1ea7n truy\u1ec1n th\u00f4ng.<\/li>\n<li>Ph\u1ea1m vi ph\u1ee7 s\u00f3ng \u0111\u1ecbnh h\u01b0\u1edbng ho\u1eb7c 360\u00b0 mong mu\u1ed1n.<\/li>\n<li>L\u1eafp \u0111\u1eb7t c\u1ed1 \u0111\u1ecbnh, di \u0111\u1ed9ng, g\u1eafn tr\u00ean xe ho\u1eb7c tr\u00ean b\u1ec7 quay qu\u00e9t ngang-d\u1ecdc.<\/li>\n<li>Ngu\u1ed3n \u0111i\u1ec7n s\u1eb5n c\u00f3.<\/li>\n<li>Y\u00eau c\u1ea7u v\u1ec1 m\u1ea1ng v\u00e0 giao di\u1ec7n \u0111i\u1ec1u khi\u1ec3n.<\/li>\n<li>\u0110i\u1ec1u ki\u1ec7n m\u00f4i tr\u01b0\u1eddng ngo\u00e0i tr\u1eddi.<\/li>\n<li>T\u00e0i li\u1ec7u c\u1ea7n thi\u1ebft v\u00e0 ti\u00eau ch\u00ed nghi\u1ec7m thu.<\/li>\n<li>S\u1ed1 l\u01b0\u1ee3ng d\u1ef1 ki\u1ebfn v\u00e0 \u0111\u1ecba \u0111i\u1ec3m giao h\u00e0ng.<\/li>\n<\/ul>\n<p>D\u1ef1a tr\u00ean nh\u1eefng th\u00f4ng tin n\u00e0y, \u0111\u1ed9i ng\u0169 k\u1ef9 thu\u1eadt c\u00f3 th\u1ec3 gi\u00fap x\u00e1c \u0111\u1ecbnh c\u00e1c c\u1ea5u h\u00ecnh s\u1ea3n ph\u1ea9m ph\u00f9 h\u1ee3p v\u00e0 l\u00e0m r\u00f5 nh\u1eefng th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt c\u1ea7n \u0111\u01b0\u1ee3c x\u00e1c minh.<\/p>\n<p>N\u1ebfu d\u1ef1 \u00e1n c\u1ee7a b\u1ea1n li\u00ean quan \u0111\u1ebfn ho\u1ea1t \u0111\u1ed9ng s\u00e2n bay, li\u00ean l\u1ea1c t\u1ea1i c\u1ea3ng, c\u01a1 s\u1edf c\u00f4ng nghi\u1ec7p, \u1ee9ng ph\u00f3 kh\u1ea9n c\u1ea5p ho\u1eb7c <a href=\"https:\/\/midradar.com\/vi\/bao-ve-chu-vi\/\">c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng tr\u1ecdng y\u1ebfu<\/a>, b\u1ea1n c\u00f3 th\u1ec3 li\u00ean h\u1ec7 v\u1edbi Midradar \u0111\u1ec3 trao \u0111\u1ed5i v\u1ec1 c\u00e1c y\u00eau c\u1ea7u c\u1ee7a m\u00ecnh.<\/p>\n<p><a href=\"https:\/\/midradar.com\/vi\/danh-muc\/he-thong-ngan-chan-bang-am-thanh\/\">Kh\u00e1m ph\u00e1 c\u00e1c h\u1ec7 th\u1ed1ng ph\u00e1t thanh v\u00e0 r\u0103n \u0111e b\u1eb1ng \u00e2m thanh<\/a> ho\u1eb7c <a href=\"https:\/\/midradar.com\/vi\/lien-he\/\">Li\u00ean h\u1ec7 Midradar<\/a> \u0111\u1ec3 bi\u1ebft th\u00f4ng tin s\u1ea3n ph\u1ea9m v\u00e0 \u0111\u01b0\u1ee3c t\u01b0 v\u1ea5n d\u1ef1 \u00e1n.<\/p>\n<h2>Nh\u1eefng \u0111i\u1ec3m ch\u00ednh<\/h2>\n<ul>\n<li>C\u00e1c h\u1ec7 th\u1ed1ng ph\u00e1t thanh b\u1eb1ng \u00e2m thanh cung c\u1ea5p ch\u1ee9c n\u0103ng truy\u1ec1n gi\u1ecdng n\u00f3i t\u1ea7m xa, ph\u00e1t th\u00f4ng b\u00e1o v\u00e0 c\u1ea3nh b\u00e1o.<\/li>\n<li>H\u1ec7 th\u1ed1ng \u0111\u1ecbnh h\u01b0\u1edbng t\u1eadp trung \u00e2m thanh v\u00e0o c\u00e1c khu v\u1ef1c \u0111\u01b0\u1ee3c ch\u1ecdn, trong khi h\u1ec7 th\u1ed1ng \u0111a h\u01b0\u1edbng h\u1ed7 tr\u1ee3 ph\u1ea1m vi bao ph\u1ee7 r\u1ed9ng h\u01a1n.<\/li>\n<li>\u0110i\u1ec1u ki\u1ec7n m\u00f4i tr\u01b0\u1eddng v\u00e0 ti\u1ebfng \u1ed3n n\u1ec1n \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn hi\u1ec7u qu\u1ea3 truy\u1ec1n th\u00f4ng th\u1ef1c t\u1ebf.<\/li>\n<li>Ch\u1ec9 d\u1ef1a v\u00e0o c\u00e1c ch\u1ec9 s\u1ed1 \u00e1p su\u1ea5t \u00e2m thanh th\u00ec kh\u00f4ng th\u1ec3 x\u00e1c \u0111\u1ecbnh \u0111\u1ed9 r\u00f5 c\u1ee7a gi\u1ecdng n\u00f3i ho\u1eb7c m\u1ee9c \u0111\u1ed9 an to\u00e0n khi v\u1eadn h\u00e0nh.<\/li>\n<li>C\u00e1c c\u1ea5u h\u00ecnh di \u0111\u1ed9ng, g\u1eafn tr\u00ean xe, d\u1ea1ng m\u00f4-\u0111un v\u00e0 quay-nghi\u00eang \u0111\u00e1p \u1ee9ng nh\u1eefng y\u00eau c\u1ea7u d\u1ef1 \u00e1n kh\u00e1c nhau.<\/li>\n<li>C\u1ea7n ki\u1ec3m tra ngu\u1ed3n \u0111i\u1ec7n, giao di\u1ec7n \u0111i\u1ec1u khi\u1ec3n, ph\u01b0\u01a1ng \u00e1n l\u1eafp \u0111\u1eb7t v\u00e0 kh\u1ea3 n\u0103ng b\u1ea3o v\u1ec7 tr\u01b0\u1edbc t\u00e1c \u0111\u1ed9ng m\u00f4i tr\u01b0\u1eddng tr\u01b0\u1edbc khi l\u1eafp \u0111\u1eb7t.<\/li>\n<li>Vi\u1ec7c l\u1eadp k\u1ebf ho\u1ea1ch d\u1ef1 \u00e1n ph\u1ea3i bao g\u1ed3m an to\u00e0n th\u00ednh gi\u00e1c v\u00e0 tu\u00e2n th\u1ee7 quy \u0111\u1ecbnh \u0111\u1ecba ph\u01b0\u01a1ng.<\/li>\n<li>Midradar cung c\u1ea5p nhi\u1ec1u c\u1ea5u h\u00ecnh thi\u1ebft b\u1ecb \u00e2m thanh cho c\u00e1c y\u00eau c\u1ea7u kh\u00e1c nhau v\u1ec1 \u0111\u1ecba \u0111i\u1ec3m v\u00e0 truy\u1ec1n th\u00f4ng.<\/li>\n<li>Gi\u1ea3i ph\u00e1p t\u1ed1t nh\u1ea5t l\u00e0 gi\u1ea3i ph\u00e1p mang l\u1ea1i kh\u1ea3 n\u0103ng truy\u1ec1n th\u00f4ng r\u00f5 r\u00e0ng, tin c\u1eady, \u0111\u1ed3ng th\u1eddi \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u k\u1ef9 thu\u1eadt, m\u00f4i tr\u01b0\u1eddng v\u00e0 an to\u00e0n c\u1ee7a d\u1ef1 \u00e1n&#8217;.<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>T\u00ecm hi\u1ec3u c\u00e1ch thi\u1ebft b\u1ecb ph\u00e1t thanh v\u00e0 c\u00f4ng ngh\u1ec7 \u00e2m thanh t\u1ea7m xa gi\u00fap truy\u1ec1n \u0111\u1ea1t th\u00f4ng \u0111i\u1ec7p r\u00f5 r\u00e0ng, h\u1ed7 tr\u1ee3 ki\u1ec3m so\u00e1t \u0111\u00e1m \u0111\u00f4ng trong c\u00f4ng t\u00e1c b\u1ea3o \u0111\u1ea3m an to\u00e0n c\u00f4ng c\u1ed9ng.<\/p>","protected":false},"featured_media":3843,"comment_status":"closed","ping_status":"closed","template":"","class_list":["post-3842","news","type-news","status-publish","has-post-thumbnail","hentry","news_category-blog"],"acf":[],"_links":{"self":[{"href":"https:\/\/midradar.com\/vi\/wp-json\/wp\/v2\/news\/3842","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/midradar.com\/vi\/wp-json\/wp\/v2\/news"}],"about":[{"href":"https:\/\/midradar.com\/vi\/wp-json\/wp\/v2\/types\/news"}],"replies":[{"embeddable":true,"href":"https:\/\/midradar.com\/vi\/wp-json\/wp\/v2\/comments?post=3842"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/midradar.com\/vi\/wp-json\/wp\/v2\/media\/3843"}],"wp:attachment":[{"href":"https:\/\/midradar.com\/vi\/wp-json\/wp\/v2\/media?parent=3842"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}