{"id":22086,"date":"2025-03-20T16:52:13","date_gmt":"2025-03-20T09:52:13","guid":{"rendered":"https:\/\/kawasan.vn\/?p=22086"},"modified":"2025-03-20T16:52:13","modified_gmt":"2025-03-20T09:52:13","slug":"nang-cap-khoang-cach-dieu-khien-tu-xa","status":"publish","type":"post","link":"https:\/\/kawasan.vn\/en\/nang-cap-khoang-cach-dieu-khien-tu-xa\/","title":{"rendered":"N\u00c2NG C\u1ea4P KHO\u1ea2NG C\u00c1CH \u0110I\u1ec0U KHI\u1ec2N T\u1eea XA"},"content":{"rendered":"<h2><span class=\"ez-toc-section\" id=\"1NANG_CAP_DIEU_KHIEN_TU_XA\"><\/span>1.N\u00c2NG C\u1ea4P \u0110I\u1ec0U KHI\u1ec2N T\u1eea XA<span class=\"ez-toc-section-end\"><\/span><\/h2><div id=\"ez-toc-container\" class=\"ez-toc-v2_0_69_1 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" >N\u1ed9i Dung B&agrave;i Vi\u1ebft<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewbox=\"0 0 24 24\" version=\"1.2\" baseprofile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 eztoc-toggle-hide-by-default' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/kawasan.vn\/en\/nang-cap-khoang-cach-dieu-khien-tu-xa\/#1NANG_CAP_DIEU_KHIEN_TU_XA\" title=\"1.N\u00c2NG C\u1ea4P \u0110I\u1ec0U KHI\u1ec2N T\u1eea XA\">1.N\u00c2NG C\u1ea4P \u0110I\u1ec0U KHI\u1ec2N T\u1eea XA<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/kawasan.vn\/en\/nang-cap-khoang-cach-dieu-khien-tu-xa\/#ATai_Sao_Dieu_Khien_Tu_Xa_Dung_Song_Radio_Khong_Hoat_Dong_O_Khoang_Cach_Tren_1000m\" title=\"A.T\u1ea1i Sao \u0110i\u1ec1u Khi\u1ec3n T\u1eeb Xa D\u00f9ng S\u00f3ng Radio Kh\u00f4ng Ho\u1ea1t \u0110\u1ed9ng \u1ede Kho\u1ea3ng C\u00e1ch Tr\u00ean 1000m?\">A.T\u1ea1i Sao \u0110i\u1ec1u Khi\u1ec3n T\u1eeb Xa D\u00f9ng S\u00f3ng Radio Kh\u00f4ng Ho\u1ea1t \u0110\u1ed9ng \u1ede Kho\u1ea3ng C\u00e1ch Tr\u00ean 1000m?<\/a><\/li><\/ul><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/kawasan.vn\/en\/nang-cap-khoang-cach-dieu-khien-tu-xa\/#2Giai_Phap_Nang_Cap_Dieu_Khien_Tu_Xa_Dat_Tren_1000m\" title=\"2.Gi\u1ea3i Ph\u00e1p N\u00e2ng C\u1ea5p \u0110i\u1ec1u Khi\u1ec3n T\u1eeb Xa \u0110\u1ea1t Tr\u00ean 1000m\">2.Gi\u1ea3i Ph\u00e1p N\u00e2ng C\u1ea5p \u0110i\u1ec1u Khi\u1ec3n T\u1eeb Xa \u0110\u1ea1t Tr\u00ean 1000m<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/kawasan.vn\/en\/nang-cap-khoang-cach-dieu-khien-tu-xa\/#Ket_Luan\" title=\"K\u1ebft Lu\u1eadn\">K\u1ebft Lu\u1eadn<\/a><\/li><\/ul><\/nav><\/div>\n\n<h4><span class=\"ez-toc-section\" id=\"ATai_Sao_Dieu_Khien_Tu_Xa_Dung_Song_Radio_Khong_Hoat_Dong_O_Khoang_Cach_Tren_1000m\"><\/span><strong>A.T\u1ea1i Sao \u0110i\u1ec1u Khi\u1ec3n T\u1eeb Xa D\u00f9ng S\u00f3ng Radio Kh\u00f4ng Ho\u1ea1t \u0110\u1ed9ng \u1ede Kho\u1ea3ng C\u00e1ch Tr\u00ean 1000m?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p>Nguy\u00ean Nh\u00e2n Khi\u1ebfn S\u00f3ng Radio Kh\u00f4ng \u0110i\u1ec1u Khi\u1ec3n Xa Tr\u00ean 1000m<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-22092 aligncenter\" src=\"https:\/\/kawasan.vn\/wp-content\/uploads\/2025\/03\/Tu-dktx-63A.jpg\" alt=\"T\u1ee7 \u0111i\u1ec1u khi\u1ec3n t\u1eeb xa 63A Kawasan\" width=\"511\" height=\"511\" srcset=\"https:\/\/kawasan.vn\/wp-content\/uploads\/2025\/03\/Tu-dktx-63A.jpg 511w, https:\/\/kawasan.vn\/wp-content\/uploads\/2025\/03\/Tu-dktx-63A-400x400.jpg 400w\" sizes=\"auto, (max-width: 511px) 100vw, 511px\" \/><\/p>\n<p>\u0110i\u1ec1u khi\u1ec3n t\u1eeb xa s\u1eed d\u1ee5ng s\u00f3ng radio, l\u00e0 c\u00f4ng ngh\u1ec7 ph\u1ed5 bi\u1ebfn d\u00f9ng cho c\u1eeda cu\u1ed1n, b\u01a1m n\u01b0\u1edbc, b\u0103ng truy\u1ec1n, thang t\u1eddi x\u00e2y d\u1ef1ng v\u00e0 chi\u1ebfu s\u00e1ng th\u00f4ng minh v\u00e0 nhi\u1ec1u h\u1ec7 th\u1ed1ng kh\u00e1c.<\/p>\n<p>Tuy nhi\u00ean, nhi\u1ec1u ng\u01b0\u1eddi th\u1eafc m\u1eafc t\u1ea1i sao c\u00e1c thi\u1ebft b\u1ecb n\u00e0y kh\u00f4ng th\u1ec3 ho\u1ea1t \u0111\u1ed9ng \u1edf kho\u1ea3ng c\u00e1ch xa h\u01a1n 1000m?<\/p>\n<p>Nguy\u00ean nh\u00e2n ch\u00ednh l\u00e0 do \u1ea3nh h\u01b0\u1edfng t\u1eeb c\u00e1c lo\u1ea1i s\u00f3ng kh\u00e1c trong m\u00f4i tr\u01b0\u1eddng, c\u1ee5 th\u1ec3 l\u00e0 s\u00f3ng g\u00ec?<\/p>\n<ol>\n<li><strong>S\u00f3ng Radio t\u1eeb \u0111\u00e0i ph\u00e1t thanh, \u0111\u00e0i truy\u1ec1n h\u00ecnh<\/strong>: Nh\u1eefng t\u00edn hi\u1ec7u n\u00e0y ho\u1ea1t \u0111\u1ed9ng \u1edf c\u00e1c d\u1ea3i t\u1ea7n s\u1ed1 kh\u00e1c nhau nh\u01b0ng v\u1eabn c\u00f3 th\u1ec3 g\u00e2y nhi\u1ec5u \u0111\u1ebfn thi\u1ebft b\u1ecb \u0111i\u1ec1u khi\u1ec3n t\u1eeb xa.<\/li>\n<li><strong>S\u00f3ng WiFi, 3G, 4G, 5G<\/strong>: C\u00e1c lo\u1ea1i s\u00f3ng n\u00e0y c\u00f3 c\u01b0\u1eddng \u0111\u1ed9 m\u1ea1nh v\u00e0 m\u1eadt \u0111\u1ed9 ph\u1ee7 s\u00f3ng d\u00e0y \u0111\u1eb7c, g\u00e2y nhi\u1ec5u s\u00f3ng radio.<\/li>\n<li><strong>S\u00f3ng t\u1eeb c\u1ee7a Tr\u00e1i \u0110\u1ea5t<\/strong>: \u00cdt ng\u01b0\u1eddi bi\u1ebft r\u1eb1ng t\u1eebng v\u1ecb tr\u00ed \u0111\u1ecba l\u00fd s\u1ebd c\u00f3 c\u00e1c lo\u1ea1i s\u00f3ng t\u1eeb kh\u00e1c nhau, l\u00e0m suy gi\u1ea3m t\u00edn hi\u1ec7u c\u1ee7a thi\u1ebft b\u1ecb \u0111i\u1ec1u khi\u1ec3n.<\/li>\n<li><strong>V\u1eadt c\u1ea3n v\u00e0 m\u00f4i tr\u01b0\u1eddng xung quanh<\/strong>: Nh\u00e0 cao t\u1ea7ng, c\u00e2y c\u1ed1i, kim lo\u1ea1i v\u00e0 c\u00e1c v\u1eadt li\u1ec7u kh\u00e1c c\u00f3 th\u1ec3 l\u00e0m gi\u1ea3m t\u00edn hi\u1ec7u ho\u1eb7c g\u00e2y ph\u1ea3n x\u1ea1 l\u00e0m nhi\u1ec5u s\u00f3ng.<\/li>\n<\/ol>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-22094\" src=\"https:\/\/kawasan.vn\/wp-content\/uploads\/2025\/03\/Song-vo-tuyen.jpg\" alt=\"C\u1ed9t s\u00f3ng 3G, 4G, 5G v\u00e0 wifi\" width=\"312\" height=\"255\" \/><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-22105\" src=\"https:\/\/kawasan.vn\/wp-content\/uploads\/2025\/03\/Wifi-4G.png\" alt=\"Router Wifi, 4G\" width=\"294\" height=\"269\" \/><\/p>\n<h2><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-22103\" style=\"font-size: 16px;\" src=\"https:\/\/kawasan.vn\/wp-content\/uploads\/2025\/03\/Song-tu-trai-dat.jpg\" alt=\"S\u00f3ng t\u1eeb tr\u00e1i \u0111\u1ea5t\" width=\"480\" height=\"244\" \/><\/h2>\n<h2><span class=\"ez-toc-section\" id=\"2Giai_Phap_Nang_Cap_Dieu_Khien_Tu_Xa_Dat_Tren_1000m\"><\/span><strong>2.Gi\u1ea3i Ph\u00e1p N\u00e2ng C\u1ea5p \u0110i\u1ec1u Khi\u1ec3n T\u1eeb Xa \u0110\u1ea1t Tr\u00ean 1000m<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0110\u1ec3 c\u1ea3i thi\u1ec7n kho\u1ea3ng c\u00e1ch ho\u1ea1t \u0111\u1ed9ng c\u1ee7a thi\u1ebft b\u1ecb \u0111i\u1ec1u khi\u1ec3n t\u1eeb xa d\u00f9ng s\u00f3ng radio, c\u1ea7n \u00e1p d\u1ee5ng m\u1ed9t s\u1ed1 bi\u1ec7n ph\u00e1p sau:<\/p>\n<ol>\n<li><strong>S\u1eed d\u1ee5ng \u0103ng-ten d\u00e0i 2-3m<\/strong>: Vi\u1ec7c k\u00e9o d\u00e0i \u0103ng-ten gi\u00fap thu s\u00f3ng t\u1ed1t h\u01a1n v\u00e0 gi\u1ea3m \u1ea3nh h\u01b0\u1edfng t\u1eeb c\u00e1c lo\u1ea1i nhi\u1ec5u s\u00f3ng kh\u00e1c.<\/li>\n<li><strong>Treo d\u00e2y \u0103ng-ten l\u00ean cao<\/strong>: \u0110i\u1ec1u n\u00e0y gi\u00fap h\u1ea1n ch\u1ebf v\u1eadt c\u1ea3n v\u00e0 t\u0103ng c\u01b0\u1eddng kh\u1ea3 n\u0103ng thu ph\u00e1t t\u00edn hi\u1ec7u.<\/li>\n<li>D\u00f9ng Remote c\u00f3 kh\u1ea3 n\u0103ng ph\u00e1t xa: <strong>Ch\u1ecdn lo\u1ea1i c\u00f3 Antenna d\u00e0i c\u00f3 kh\u1ea3 n\u0103ng ph\u00e1t xa RM2D<\/strong><\/li>\n<li><strong>L\u1ef1a ch\u1ecdn v\u1ecb tr\u00ed l\u1eafp \u0111\u1eb7t h\u1ee3p l\u00fd<\/strong>: C\u1ea7n tr\u00e1nh l\u1eafp \u0111\u1eb7t thi\u1ebft b\u1ecb \u1edf nh\u1eefng khu v\u1ef1c c\u00f3 nhi\u1ec1u s\u00f3ng g\u00e2y nhi\u1ec5u nh\u01b0: Router WiFi, tr\u1ea1m ph\u00e1t s\u00f3ng di \u0111\u1ed9ng (3G, 4G, 5G), ho\u1eb7c g\u1ea7n c\u00e1c ngu\u1ed3n ph\u00e1t s\u00f3ng m\u1ea1nh.<\/li>\n<li><strong>L\u1eafp \u0111\u1eb7t xa c\u00e1c thi\u1ebft b\u1ecb ph\u00e1t s\u00f3ng v\u00e0 \u0111\u1ed9ng c\u01a1<\/strong>: Kho\u1ea3ng c\u00e1ch t\u1ed1i thi\u1ec3u t\u1eeb thi\u1ebft b\u1ecb \u0111i\u1ec1u khi\u1ec3n \u0111\u1ebfn c\u00e1c ngu\u1ed3n ph\u00e1t s\u00f3ng radio WiFi, 3G, 4G, 5G kho\u1ea3ng <strong>t\u1eeb 4m \u0111\u1ebfn 5m<\/strong> \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o t\u00edn hi\u1ec7u kh\u00f4ng b\u1ecb nhi\u1ec5u.<\/li>\n<\/ol>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-22104\" src=\"https:\/\/kawasan.vn\/wp-content\/uploads\/2025\/03\/RF15B2-RM2D.jpg\" alt=\"B\u1ed9 c\u00f4ng t\u1eafc \u0111i\u1ec1u khi\u1ec3n t\u1eeb xa antenna d\u00e0i\" width=\"600\" height=\"600\" srcset=\"https:\/\/kawasan.vn\/wp-content\/uploads\/2025\/03\/RF15B2-RM2D.jpg 600w, https:\/\/kawasan.vn\/wp-content\/uploads\/2025\/03\/RF15B2-RM2D-400x400.jpg 400w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Ket_Luan\"><\/span><strong>K\u1ebft Lu\u1eadn<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul>\n<li>C\u00f4ng t\u1eafc \u0111i\u1ec1u khi\u1ec3n t\u1eeb xa b\u1eb1ng s\u00f3ng radio \u0111a ph\u1ea7n l\u00e0 do s\u1ef1 can thi\u1ec7p c\u1ee7a nhi\u1ec1u lo\u1ea1i s\u00f3ng kh\u00e1c nhau.<\/li>\n<li>\u0110\u1ec3 c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t, ng\u01b0\u1eddi d\u00f9ng c\u1ea7n ch\u00fa \u00fd \u0111\u1ebfn vi\u1ec7c s\u1eed d\u1ee5ng \u0103ng-ten d\u00e0i, treo l\u00ean cao.<\/li>\n<li>N\u00ean ch\u1ecdn v\u1ecb tr\u00ed l\u1eafp \u0111\u1eb7t h\u1ee3p l\u00fd. \u0110\u1ea3m b\u1ea3o kho\u1ea3ng c\u00e1ch xa v\u00e0 an to\u00e0n v\u1edbi c\u00e1c thi\u1ebft b\u1ecb ph\u00e1t s\u00f3ng kh\u00e1c<\/li>\n<\/ul>\n<p style=\"text-align: center;\"><span style=\"color: #000000;\"><span style=\"font-size: 16px;\"><span style=\"font-family: times new roman,times,serif;\"><b>Thank you for trusting Kawasan products!<\/b><\/span><\/span><\/span><\/p>\n<p style=\"text-align: center;\"><span style=\"color: #000000;\"><span style=\"font-size: 16px;\"><span style=\"font-family: times new roman,times,serif;\"><b>Toll-Free Consulting Hotline:\u00a0<\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-size: 16px;\"><span style=\"font-family: times new roman,times,serif;\"><b>1800 0058<\/b><\/span><\/span><\/span><span style=\"color: #000000;\"><span style=\"font-size: 16px;\"><span style=\"font-family: times new roman,times,serif;\">\u00a0<b>Or Call Directly:<\/b>\u00a0<\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-size: 16px;\"><span style=\"font-family: times new roman,times,serif;\"><b>0911 761010<\/b><\/span><\/span><\/span><\/p>\n<p align=\"center\"><span style=\"font-family: times new roman,times,serif;\"><span style=\"font-size: 16px;\"><span style=\"color: #000000;\"><strong>Website:\u00a0<\/strong><\/span><a href=\"https:\/\/kawasan.vn\/en\/\"><span style=\"color: #0000cd;\"><strong>www.kawasan.vn<\/strong><\/span><\/a><\/span><\/span><\/p>\n<p align=\"center\"><span style=\"font-family: times new roman,times,serif;\"><span style=\"font-size: 16px;\"><span style=\"color: #000000;\"><strong>Website:\u00a0<\/strong><\/span><a href=\"https:\/\/kawaled.com.vn\/\"><span style=\"color: #0000cd;\"><strong>www.kawaled.com.vn<\/strong><\/span><\/a><\/span><\/span><\/p>\n<p>&nbsp;<\/p>","protected":false},"excerpt":{"rendered":"<p>1.N\u00c2NG C\u1ea4P \u0110I\u1ec0U KHI\u1ec2N T\u1eea XA A.T\u1ea1i Sao \u0110i\u1ec1u Khi\u1ec3n T\u1eeb Xa D\u00f9ng S\u00f3ng Radio Kh\u00f4ng Ho\u1ea1t \u0110\u1ed9ng \u1ede Kho\u1ea3ng C\u00e1ch Tr\u00ean 1000m? Nguy\u00ean Nh\u00e2n Khi\u1ebfn S\u00f3ng Radio Kh\u00f4ng \u0110i\u1ec1u Khi\u1ec3n Xa Tr\u00ean 1000m \u0110i\u1ec1u khi\u1ec3n t\u1eeb xa s\u1eed d\u1ee5ng s\u00f3ng radio, l\u00e0 c\u00f4ng ngh\u1ec7 ph\u1ed5 bi\u1ebfn d\u00f9ng cho c\u1eeda cu\u1ed1n, b\u01a1m n\u01b0\u1edbc, b\u0103ng truy\u1ec1n, [&hellip;]<\/p>","protected":false},"author":1,"featured_media":22092,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_focuskw":"N\u00c2NG C\u1ea4P \u0110I\u1ec0U KHI\u1ec2N T\u1eea XA","_yoast_wpseo_metadesc":"hi\u1ec1u ng\u01b0\u1eddi th\u1eafc m\u1eafc t\u1ea1i sao hi\u1ebft b\u1ecb \u0111i\u1ec1u khi\u1ec3n t\u1eeb xa g th\u1ec3 ho\u1ea1t \u0111\u1ed9ng kho\u1ea3ng c\u00e1ch xa h\u01a1n 1000m? \u0110\u1ec3 c\u1ea3i thi\u1ec7n n\u00e2ng c\u1ea5p \u0111i\u1ec1u khi\u1ec3n t\u1eeb xa c\u1ea7n c\u00e1c b\u01b0\u1edbc sau","_yoast_wpseo_focuskeywords":"","_yoast_wpseo_keyword_synonyms":"","footnotes":""},"categories":[1],"tags":[1562,1873,1872],"class_list":["post-22086","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tin-cong-nghe","tag-bo-cong-tac-dieu-khien-tu-xa","tag-thiet-bi-nang-cap","tag-tu-dieu-khien-tu-xa"],"acf":[],"featured_image_src":{"landsacpe":["https:\/\/kawasan.vn\/wp-content\/uploads\/2025\/03\/Tu-dktx-63A-511x445.jpg",511,445,true],"list":["https:\/\/kawasan.vn\/wp-content\/uploads\/2025\/03\/Tu-dktx-63A-463x348.jpg",463,348,true],"medium":["https:\/\/kawasan.vn\/wp-content\/uploads\/2025\/03\/Tu-dktx-63A-300x300.jpg",300,300,true],"full":["https:\/\/kawasan.vn\/wp-content\/uploads\/2025\/03\/Tu-dktx-63A.jpg",511,511,false]},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v24.9 (Yoast SEO v24.9) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>N\u00c2NG C\u1ea4P KHO\u1ea2NG C\u00c1CH \u0110I\u1ec0U KHI\u1ec2N T\u1eea XA - Kawasan<\/title>\n<meta name=\"description\" content=\"hi\u1ec1u ng\u01b0\u1eddi th\u1eafc m\u1eafc t\u1ea1i sao hi\u1ebft b\u1ecb \u0111i\u1ec1u khi\u1ec3n t\u1eeb xa g th\u1ec3 ho\u1ea1t \u0111\u1ed9ng kho\u1ea3ng c\u00e1ch xa h\u01a1n 1000m? 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