{"id":47947,"date":"2026-05-08T00:05:07","date_gmt":"2026-05-07T17:05:07","guid":{"rendered":"https:\/\/saigonbiz.com\/vn\/lte-450-mhz-luoi-dien-manh-me-hon-thong-minh-hon-cho-brazil\/"},"modified":"2026-05-08T00:05:07","modified_gmt":"2026-05-07T17:05:07","slug":"lte-450-mhz-luoi-dien-manh-me-hon-thong-minh-hon-cho-brazil","status":"publish","type":"post","link":"https:\/\/saigonbiz.com\/vn\/lte-450-mhz-luoi-dien-manh-me-hon-thong-minh-hon-cho-brazil\/","title":{"rendered":"LTE 450 MHz: L\u01b0\u1edbi \u0111i\u1ec7n m\u1ea1nh m\u1ebd h\u01a1n, th\u00f4ng minh h\u01a1n cho Brazil"},"content":{"rendered":"<div>\n<p class=\"prntal\">BELO HORIZONTE, Brazil, ng\u00e0y 7 th\u00e1ng 5 n\u0103m 2026\u00a0\/PRNewswire\/ &#8212; M\u1ed7i ng\u00e0y, h\u00e0ng tri\u1ec7u ng\u01b0\u1eddi d\u00e2n Brazil nh\u1ea5n m\u1ed9t n\u00fat b\u1ea5m. H\u1ecd b\u1eadt m\u00e1y t\u00ednh. H\u1ecd kh\u1edfi \u0111\u1ed9ng m\u00e1y m\u00f3c s\u1ea3n xu\u1ea5t. V\u00e0 \u0111i\u1ec7n n\u0103ng d\u01b0\u1eddng nh\u01b0 lu\u00f4n hi\u1ec7n h\u1eefu. Nh\u01b0ng ph\u00eda sau n\u00fat b\u1ea5m \u0111\u00f3 l\u00e0 m\u1ed9t h\u1ec7 th\u1ed1ng ng\u00e0y c\u00e0ng ph\u1ee9c t\u1ea1p h\u01a1n bao gi\u1edd h\u1ebft. Nhu c\u1ea7u \u0111\u00e3 thay \u0111\u1ed5i: C\u00f4ng ngh\u1ec7 m\u1edbi, m\u00f4 h\u00ecnh ti\u00eau th\u1ee5 m\u1edbi, ti\u00eau chu\u1ea9n ch\u1ea5t l\u01b0\u1ee3ng m\u1edbi. V\u00e0 trong b\u1ed1i c\u1ea3nh m\u1edbi n\u00e0y, c\u00f3 m\u1ed9t y\u1ebfu t\u1ed1 v\u1eabn l\u00e0 \u0111i\u1ec1u ki\u1ec7n ti\u00ean quy\u1ebft tuy\u1ec7t \u0111\u1ed1i cho m\u1ecdi tham v\u1ecdng ph\u00e1t tri\u1ec3n kinh t\u1ebf: Ngu\u1ed3n \u0111i\u1ec7n lu\u00f4n s\u1eb5n s\u00e0ng, li\u00ean t\u1ee5c v\u00e0 hi\u1ec7u qu\u1ea3.<\/p>\n<div class=\"PRN_ImbeddedAssetReference\" id=\"DivAssetPlaceHolder5267\" align=\"center\">\n<p title=\"\"><iframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/M8qLR_3hH_Y\" frameborder=\"0\">&amp;amp;amp;amp;amp;amp;nbsp;<\/iframe><\/p>\n<\/p><\/div>\n<p class=\"prntal\">Ng\u00e0nh \u0111i\u1ec7n Brazil l\u00e0 m\u1ed9t trong nh\u1eefng h\u1ec7 th\u1ed1ng l\u1edbn v\u00e0 ph\u1ee9c t\u1ea1p nh\u1ea5t th\u1ebf gi\u1edbi: Kho\u1ea3ng 90 tri\u1ec7u \u0111i\u1ec3m ti\u00eau th\u1ee5 \u0111i\u1ec7n. H\u01a1n 700.000 km m\u1ea1ng l\u01b0\u1edbi ph\u00e2n ph\u1ed1i \u0111i\u1ec7n. \u0110\u00e2y l\u00e0 h\u1ea1 t\u1ea7ng kh\u00f4ng th\u1ec3 ng\u1eebng ho\u1ea1t \u0111\u1ed9ng trong b\u1ea5t k\u1ef3 ho\u00e0n c\u1ea3nh n\u00e0o. Ch\u00ednh trong b\u1ed1i c\u1ea3nh \u0111\u00f3, Companhia Energ\u00e9tica de Minas Gerais (CEMIG), \u0111\u00e3 quy\u1ebft \u0111\u1ecbnh th\u00fac \u0111\u1ea9y qu\u00e1 tr\u00ecnh chuy\u1ec3n \u0111\u1ed5i s\u1ed1.<\/p>\n<p class=\"prntal\">Sandro Bernardes, Qu\u1ea3n l\u00fd D\u1ef1 \u00e1n M\u1ea1ng l\u01b0\u1edbi v\u00e0 Vi\u1ec5n th\u00f4ng c\u1ee7a VPI\/TC thu\u1ed9c CEMIG, cho bi\u1ebft: CEMIG \u0111\u01b0\u1ee3c xem l\u00e0 c\u00f4ng ty \u0111i\u1ec7n l\u1ef1c t\u00edch h\u1ee3p l\u1edbn nh\u1ea5t Brazil, ho\u1ea1t \u0111\u1ed9ng trong c\u00e1c l\u0129nh v\u1ef1c ph\u00e1t \u0111i\u1ec7n, truy\u1ec1n t\u1ea3i, ph\u00e2n ph\u1ed1i v\u00e0 kinh doanh \u0111i\u1ec7n n\u0103ng. Ch\u00fang t\u00f4i ph\u1ee5c v\u1ee5 774 \u0111\u00f4 th\u1ecb t\u1ea1i bang Minas Gerais v\u1edbi h\u01a1n 9 tri\u1ec7u kh\u00e1ch h\u00e0ng tr\u00ean to\u00e0n b\u1ed9 khu v\u1ef1c nh\u01b0\u1ee3ng quy\u1ec1n. CEMIG v\u1eadn h\u00e0nh m\u1ed9t trong nh\u1eefng l\u01b0\u1edbi \u0111i\u1ec7n quy m\u00f4 l\u1edbn nh\u1ea5t Brazil, v\u1edbi s\u1ee9 m\u1ec7nh cung c\u1ea5p ngu\u1ed3n \u0111i\u1ec7n ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 an to\u00e0n cho ng\u01b0\u1eddi d\u00e2n Minas Gerais, t\u1eeb c\u00e1c \u0111\u00f4 th\u1ecb l\u1edbn \u0111\u1ebfn khu v\u1ef1c n\u00f4ng th\u00f4n, t\u1eeb c\u00f4ng nghi\u1ec7p \u0111\u1ebfn n\u00f4ng nghi\u1ec7p. \u0110\u1ec3 th\u1ef1c hi\u1ec7n tr\u00e1ch nhi\u1ec7m n\u00e0y, CEMIG \u0111ang tri\u1ec3n khai k\u1ebf ho\u1ea1ch \u0111\u1ea7u t\u01b0 l\u1edbn nh\u1ea5t trong l\u1ecbch s\u1eed c\u1ee7a m\u00ecnh:<\/p>\n<p class=\"prntal\">T\u0103ng g\u1ea5p \u0111\u00f4i s\u1ed1 l\u01b0\u1ee3ng tr\u1ea1m bi\u1ebfn \u00e1p, m\u1edf r\u1ed9ng c\u00f4ng su\u1ea5t v\u00e0 hi\u1ec7n \u0111\u1ea1i h\u00f3a ho\u1ea1t \u0111\u1ed9ng v\u1eadn h\u00e0nh. Tuy nhi\u00ean, \u0111\u1ec3 duy tr\u00ec k\u1ebf ho\u1ea1ch m\u1edf r\u1ed9ng \u0111\u00f3, ch\u00fang t\u00f4i nh\u1eadn th\u1ea5y m\u1ed9t h\u1ea1n ch\u1ebf: kh\u1ea3 n\u0103ng bao ph\u1ee7 c\u1ee7a c\u00e1c gi\u1ea3i ph\u00e1p vi\u1ec5n th\u00f4ng c\u1ee7a ch\u00fang t\u00f4i, trong khi h\u1ec7 th\u1ed1ng \u0111i\u1ec7n c\u1ee7a CEMIG ti\u1ebfp t\u1ee5c ph\u00e1t tri\u1ec3n nh\u1eb1m ph\u1ee5c v\u1ee5 ng\u01b0\u1eddi d\u00e2n Minas Gerais v\u1edbi m\u1ee9c \u0111\u1ed9 an to\u00e0n, ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 s\u1ef1 b\u1ec1n b\u1ec9 ng\u00e0y c\u00e0ng cao. V\u00ec v\u1eady, h\u1ea1 t\u1ea7ng vi\u1ec5n th\u00f4ng c\u1ee7a ch\u00fang t\u00f4i c\u1ea7n ph\u1ea3i theo k\u1ecbp t\u1ed1c \u0111\u1ed9 t\u0103ng tr\u01b0\u1edfng n\u00e0y v\u00e0 hi\u1ec7n di\u1ec7n t\u1ea1i to\u00e0n b\u1ed9 c\u00e1c c\u01a1 s\u1edf c\u1ee7a c\u00f4ng ty.<\/p>\n<p class=\"prntal\">Trong b\u1ed1i c\u1ea3nh \u0111\u00f3, CEMIG \u0111\u00e3 t\u00ecm ki\u1ebfm m\u1ed9t \u0111\u1ed1i t\u00e1c chi\u1ebfn l\u01b0\u1ee3c. Huawei \u0111\u01b0\u1ee3c l\u1ef1a ch\u1ecdn th\u00f4ng qua quy tr\u00ecnh \u0111\u1ea5u th\u1ea7u c\u00f4ng khai, trong \u0111\u00f3 c\u00f4ng ty \u0111\u00e3 \u0111\u01b0a ra \u0111\u1ec1 xu\u1ea5t k\u1ef9 thu\u1eadt \u0111\u00e1p \u1ee9ng t\u1ed1t nh\u1ea5t c\u00e1c y\u00eau c\u1ea7u \u0111\u00e3 \u0111\u01b0\u1ee3c thi\u1ebft l\u1eadp cho c\u00e1c gi\u1ea3i ph\u00e1p \u0111i\u1ec7n l\u1ef1c. V\u1edbi Gi\u1ea3i ph\u00e1p M\u1ea1ng ri\u00eang eLTE cho ng\u00e0nh \u0111i\u1ec7n c\u1ee7a Huawei, CEMIG s\u1ebd v\u1eadn h\u00e0nh m\u1ed9t m\u1ea1ng vi\u1ec5n th\u00f4ng dung l\u01b0\u1ee3ng cao bao ph\u1ee7 to\u00e0n b\u1ed9 bang, \u0111\u01b0\u1ee3c qu\u1ea3n l\u00fd t\u1eadp trung t\u1eeb c\u00e1c trung t\u00e2m \u0111i\u1ec1u khi\u1ec3n c\u1ee7a ch\u00fang t\u00f4i. \u0110\u1ed1i v\u1edbi CEMIG, m\u1ed1i quan h\u1ec7 h\u1ee3p t\u00e1c n\u00e0y v\u01b0\u1ee3t xa ph\u1ea1m vi c\u00f4ng ngh\u1ec7. N\u00f3 th\u1ec3 hi\u1ec7n s\u1ef1 ph\u00e2n b\u1ed5 v\u1ed1n hi\u1ec7u qu\u1ea3 v\u1edbi t\u1ef7 l\u1ec7 chi ph\u00ed &#8211; l\u1ee3i \u00edch t\u1ed1i \u01b0u. \u0110\u1ed3ng th\u1eddi, gi\u1ea3i ph\u00e1p n\u00e0y c\u0169ng h\u1ed7 tr\u1ee3 hi\u1ec7n \u0111\u1ea1i h\u00f3a t\u00e0i s\u1ea3n. H\u01a1n n\u1eefa, m\u1ed9t h\u1ec7 th\u1ed1ng vi\u1ec5n th\u00f4ng ph\u00f9 h\u1ee3p l\u00e0 y\u1ebfu t\u1ed1 thi\u1ebft y\u1ebfu \u0111\u1ec3 b\u1ea3o \u0111\u1ea3m v\u1eadn h\u00e0nh an to\u00e0n v\u00e0 t\u1ef1 \u0111\u1ed9ng h\u00f3a. B\u00ean c\u1ea1nh \u0111\u00f3, b\u01b0\u1edbc ph\u00e1t tri\u1ec3n ti\u1ebfp theo c\u1ee7a ng\u00e0nh \u0111i\u1ec7n s\u1ebd l\u00e0 vi\u1ec7c \u1ee9ng d\u1ee5ng c\u00e1c m\u1ea1ng ri\u00eang nh\u01b0 LTE. Sau khi ti\u1ebfn h\u00e0nh c\u00e1c nghi\u00ean c\u1ee9u n\u1ed9i b\u1ed9 v\u00e0 b\u00ean ngo\u00e0i, CEMIG \u0111\u00e3 l\u1ef1a ch\u1ecdn b\u0103ng t\u1ea7n 450 MHz. B\u0103ng t\u1ea7n n\u00e0y tu\u00e2n theo ti\u00eau chu\u1ea9n 3GPP v\u00e0 cung c\u1ea5p m\u1ed9t h\u1ec7 sinh th\u00e1i t\u1eeb \u0111\u1ea7u \u0111\u1ebfn cu\u1ed1i \u0111\u00e3 ho\u00e0n thi\u1ec7n. N\u00f3 cho ph\u00e9p v\u00f9ng ph\u1ee7 s\u00f3ng r\u1ed9ng v\u00e0 k\u1ebft n\u1ed1i quy m\u00f4 l\u1edbn. Gi\u1ea3i ph\u00e1p n\u00e0y mang l\u1ea1i \u0111\u1ed9 tin c\u1eady cao c\u00f9ng hi\u1ec7u qu\u1ea3 chi ph\u00ed v\u01b0\u1ee3t tr\u1ed9i. \u0110\u00e2y c\u0169ng l\u00e0 c\u00f4ng ngh\u1ec7 \u0111ang \u0111\u01b0\u1ee3c ng\u00e0nh n\u0103ng l\u01b0\u1ee3ng \u00e1p d\u1ee5ng tr\u00ean to\u00e0n c\u1ea7u. V\u00e0 Huawei l\u00e0 m\u1ed9t trong nh\u1eefng doanh nghi\u1ec7p h\u00e0ng \u0111\u1ea7u trong l\u0129nh v\u1ef1c gi\u1ea3i ph\u00e1p cho ng\u00e0nh \u0111i\u1ec7n.<\/p>\n<p class=\"prntal\"><span>T\u00ecm hi\u1ec3u th\u00eam v\u1ec1 Gi\u1ea3i ph\u00e1p M\u1ea1ng ri\u00eang eLTE cho ng\u00e0nh \u0111i\u1ec7n c\u1ee7a Huawei:\u00a0<\/span><a href=\"https:\/\/e.huawei.com\/en\/solutions\/enterprise-wireless\/industry-wireless\/power-wireless-lte-g\" target=\"_blank\" rel=\"nofollow\" style=\"color: #0000FF\"><span>https:\/\/e.huawei.com\/en\/solutions\/enterprise-wireless\/industry-wireless\/power-wireless-lte-g<\/span><\/a><\/p>\n<p class=\"prntal\">Xem video<span>\uff1a<\/span><\/p>\n<p class=\"prntal\"><a href=\"https:\/\/e.huawei.com\/en\/videos\/campaign\/grid\/0d952146b07f46c5af1b3a700a1d4898\" target=\"_blank\" rel=\"nofollow\" style=\"color: #0000FF\"><span>https:\/\/e.huawei.com\/en\/videos\/campaign\/grid\/0d952146b07f46c5af1b3a700a1d4898<\/span><\/a><\/p>\n<p class=\"prntal\">\u00a0<\/p>\n<p class=\"prntaj\">\u00a0<\/p>\n<p class=\"prntaj\">\u00a0<\/p>\n<p class=\"prntaj\">\u00a0<\/p>\n<div class=\"PRN_ImbeddedAssetReference\" id=\"DivAssetPlaceHolder0\">  <\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>BELO HORIZONTE, Brazil, ng\u00e0y 7 th\u00e1ng 5 n\u0103m 2026\u00a0\/PRNewswire\/ &#8212; M\u1ed7i ng\u00e0y, h\u00e0ng tri\u1ec7u ng\u01b0\u1eddi d\u00e2n Brazil nh\u1ea5n m\u1ed9t n\u00fat b\u1ea5m. H\u1ecd b\u1eadt m\u00e1y t\u00ednh. H\u1ecd kh\u1edfi \u0111\u1ed9ng m\u00e1y m\u00f3c s\u1ea3n xu\u1ea5t. V\u00e0 \u0111i\u1ec7n n\u0103ng d\u01b0\u1eddng nh\u01b0 lu\u00f4n hi\u1ec7n h\u1eefu. Nh\u01b0ng ph\u00eda sau n\u00fat b\u1ea5m \u0111\u00f3 l\u00e0 m\u1ed9t h\u1ec7 th\u1ed1ng ng\u00e0y c\u00e0ng ph\u1ee9c t\u1ea1p h\u01a1n [&#8230;]\n","protected":false},"author":2604,"featured_media":50415,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"footnotes":""},"categories":[2293],"tags":[],"class_list":["post-47947","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-pr-newswire"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.6 (Yoast SEO v27.2) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>LTE 450 MHz: L\u01b0\u1edbi \u0111i\u1ec7n m\u1ea1nh m\u1ebd h\u01a1n, th\u00f4ng minh h\u01a1n cho Brazil<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/saigonbiz.com\/vn\/lte-450-mhz-luoi-dien-manh-me-hon-thong-minh-hon-cho-brazil\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"LTE 450 MHz: L\u01b0\u1edbi \u0111i\u1ec7n m\u1ea1nh m\u1ebd h\u01a1n, th\u00f4ng minh h\u01a1n cho Brazil\" \/>\n<meta property=\"og:description\" content=\"BELO HORIZONTE, Brazil, ng\u00e0y 7 th\u00e1ng 5 n\u0103m 2026\u00a0\/PRNewswire\/ &#8212; M\u1ed7i ng\u00e0y, h\u00e0ng tri\u1ec7u ng\u01b0\u1eddi d\u00e2n Brazil nh\u1ea5n m\u1ed9t n\u00fat b\u1ea5m. 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