{"id":559398,"date":"2026-06-25T09:18:26","date_gmt":"2026-06-25T02:18:26","guid":{"rendered":"https:\/\/hoanghamobile.com\/tin-tuc\/?p=559398"},"modified":"2026-06-25T09:18:26","modified_gmt":"2026-06-25T02:18:26","slug":"day-cap-quang","status":"publish","type":"post","link":"https:\/\/hoanghamobile.com\/tin-tuc\/day-cap-quang\/","title":{"rendered":"D\u00e2y C\u00e1p Quang L\u00e0 G\u00ec? C\u1ea5u T\u1ea1o, Ph\u00e2n Lo\u1ea1i, \u01afu \u0110i\u1ec3m &#038; L\u01b0u \u00dd 2026"},"content":{"rendered":"<p>D\u00e2y c\u00e1p quang (c\u00e1p quang) l\u00e0 ph\u01b0\u01a1ng ti\u1ec7n truy\u1ec1n d\u1eabn t\u00edn hi\u1ec7u b\u1eb1ng \u00e1nh s\u00e1ng v\u00e0 \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong h\u1ea1 t\u1ea7ng Internet t\u1ed1c \u0111\u1ed9 cao hi\u1ec7n nay. Nh\u1edd kh\u1ea3 n\u0103ng truy\u1ec1n d\u1eef li\u1ec7u nhanh, \u1ed5n \u0111\u1ecbnh v\u00e0 \u00edt b\u1ecb \u1ea3nh h\u01b0\u1edfng b\u1edfi nhi\u1ec5u \u0111i\u1ec7n t\u1eeb, c\u00e1p quang \u0111\u00e3 d\u1ea7n thay th\u1ebf nhi\u1ec1u c\u00f4ng ngh\u1ec7 truy\u1ec1n d\u1eabn c\u0169 trong c\u1ea3 gia \u0111\u00ecnh v\u00e0 doanh nghi\u1ec7p. Hi\u1ec3u r\u00f5 v\u1ec1 d\u00e2y c\u00e1p quang s\u1ebd gi\u00fap b\u1ea1n l\u1ef1a ch\u1ecdn d\u1ecbch v\u1ee5 Internet ph\u00f9 h\u1ee3p c\u0169ng nh\u01b0 bi\u1ebft c\u00e1ch s\u1eed d\u1ee5ng v\u00e0 x\u1eed l\u00fd m\u1ed9t s\u1ed1 s\u1ef1 c\u1ed1 th\u01b0\u1eddng g\u1eb7p. B\u00e0i vi\u1ebft d\u01b0\u1edbi \u0111\u00e2y gi\u1edbi thi\u1ec7u v\u1ec1 d\u00e2y c\u00e1p quang, bao g\u1ed3m kh\u00e1i ni\u1ec7m, c\u1ea5u t\u1ea1o, c\u00e1c lo\u1ea1i ph\u1ed5 bi\u1ebfn, \u01b0u \u0111i\u1ec3m v\u00e0 nh\u1eefng l\u01b0u \u00fd quan tr\u1ecdng khi s\u1eed d\u1ee5ng.<\/p>\n<h2>D\u00e2y c\u00e1p quang l\u00e0 g\u00ec?<\/h2>\n<p>D\u00e2y c\u00e1p quang l\u00e0 lo\u1ea1i c\u00e1p d\u00f9ng \u0111\u1ec3 truy\u1ec1n d\u1eef li\u1ec7u gi\u1eefa c\u00e1c <strong><a href=\"https:\/\/hoanghamobile.com\/phu-kien\/thiet-bi-mang\">thi\u1ebft b\u1ecb m\u1ea1ng<\/a><\/strong> th\u00f4ng qua c\u00e1c xung \u00e1nh s\u00e1ng \u0111i b\u00ean trong l\u00f5i s\u1ee3i th\u1ee7y tinh ho\u1eb7c s\u1ee3i nh\u1ef1a c\u00f3 k\u00edch th\u01b0\u1edbc r\u1ea5t nh\u1ecf, thay v\u00ec truy\u1ec1n t\u00edn hi\u1ec7u \u0111i\u1ec7n nh\u01b0 c\u00e1p \u0111\u1ed3ng truy\u1ec1n th\u1ed1ng. Nh\u1edd s\u1eed d\u1ee5ng \u00e1nh s\u00e1ng \u0111\u1ec3 truy\u1ec1n t\u1ea3i th\u00f4ng tin, c\u00e1p quang c\u00f3 th\u1ec3 \u0111\u1ea1t t\u1ed1c \u0111\u1ed9 r\u1ea5t cao, gi\u1ea3m suy hao t\u00edn hi\u1ec7u tr\u00ean qu\u00e3ng \u0111\u01b0\u1eddng d\u00e0i v\u00e0 h\u1ea1n ch\u1ebf \u1ea3nh h\u01b0\u1edfng t\u1eeb nhi\u1ec5u \u0111i\u1ec7n t\u1eeb b\u00ean ngo\u00e0i.<\/p>\n<p>Ng\u00e0y nay, c\u00e1p quang l\u00e0 n\u1ec1n t\u1ea3ng ch\u00ednh c\u1ee7a c\u00e1c d\u1ecbch v\u1ee5 Internet FTTH (Fiber To The Home \u2013 c\u00e1p quang \u0111\u1ebfn t\u1eadn nh\u00e0), mang l\u1ea1i k\u1ebft n\u1ed1i \u1ed5n \u0111\u1ecbnh cho nhu c\u1ea7u h\u1ecdc t\u1eadp, l\u00e0m vi\u1ec7c, gi\u1ea3i tr\u00ed v\u00e0 s\u1eed d\u1ee5ng nhi\u1ec1u thi\u1ebft b\u1ecb c\u00f9ng l\u00fac.<\/p>\n<p><img fetchpriority=\"high\" decoding=\"async\" class=\"size-full wp-image-560422 aligncenter\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/06\/day-cap-quang-1.jpg\" alt=\"day-cap-quang-1\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/06\/day-cap-quang-1.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/06\/day-cap-quang-1-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/06\/day-cap-quang-1-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<h2>C\u1ea5u t\u1ea1o c\u01a1 b\u1ea3n c\u1ee7a c\u00e1p quang<\/h2>\n<ul>\n<li>L\u00f5i (Core): L\u00e0 ph\u1ea7n trung t\u00e2m c\u1ee7a s\u1ee3i c\u00e1p, th\u01b0\u1eddng \u0111\u01b0\u1ee3c l\u00e0m t\u1eeb th\u1ee7y tinh ho\u1eb7c nh\u1ef1a chuy\u00ean d\u1ee5ng, c\u00f3 nhi\u1ec7m v\u1ee5 d\u1eabn truy\u1ec1n t\u00edn hi\u1ec7u \u00e1nh s\u00e1ng.<\/li>\n<li>L\u1edbp ph\u1ea3n x\u1ea1 (Cladding): Bao quanh l\u00f5i v\u00e0 gi\u00fap ph\u1ea3n x\u1ea1 \u00e1nh s\u00e1ng li\u00ean t\u1ee5c b\u00ean trong, gi\u1eef t\u00edn hi\u1ec7u truy\u1ec1n \u0111i hi\u1ec7u qu\u1ea3 m\u00e0 kh\u00f4ng b\u1ecb th\u1ea5t tho\u00e1t nhi\u1ec1u.<\/li>\n<li>L\u1edbp b\u1ea3o v\u1ec7 (Coating ho\u1eb7c v\u1ecf ngo\u00e0i): C\u00f3 ch\u1ee9c n\u0103ng b\u1ea3o v\u1ec7 s\u1ee3i quang kh\u1ecfi \u0111\u1ed9 \u1ea9m, va \u0111\u1eadp v\u00e0 c\u00e1c t\u00e1c \u0111\u1ed9ng t\u1eeb m\u00f4i tr\u01b0\u1eddng, \u0111\u1ed3ng th\u1eddi t\u0103ng \u0111\u1ed9 b\u1ec1n trong qu\u00e1 tr\u00ecnh s\u1eed d\u1ee5ng.<\/li>\n<\/ul>\n<p><img decoding=\"async\" class=\"size-full wp-image-560423 aligncenter\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/06\/day-cap-quang-2.jpg\" alt=\"day-cap-quang-2\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/06\/day-cap-quang-2.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/06\/day-cap-quang-2-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/06\/day-cap-quang-2-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<h2>Ph\u00e2n lo\u1ea1i c\u00e1p quang<\/h2>\n<table>\n<thead>\n<tr>\n<th>Lo\u1ea1i<\/th>\n<th>\u0110\u1eb7c \u0111i\u1ec3m<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Single-mode (\u0111\u01a1n mode)<\/td>\n<td>C\u00f3 l\u00f5i r\u1ea5t nh\u1ecf, h\u1ed7 tr\u1ee3 truy\u1ec1n t\u00edn hi\u1ec7u tr\u00ean kho\u1ea3ng c\u00e1ch xa v\u1edbi t\u1ed1c \u0111\u1ed9 cao, th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho \u0111\u01b0\u1eddng tr\u1ee5c vi\u1ec5n th\u00f4ng v\u00e0 m\u1ea1ng FTTH.<\/td>\n<\/tr>\n<tr>\n<td>Multi-mode (\u0111a mode)<\/td>\n<td>C\u00f3 l\u00f5i l\u1edbn h\u01a1n, th\u00edch h\u1ee3p cho vi\u1ec7c truy\u1ec1n d\u1eef li\u1ec7u \u1edf kho\u1ea3ng c\u00e1ch ng\u1eafn nh\u01b0 trong t\u00f2a nh\u00e0, v\u0103n ph\u00f2ng ho\u1eb7c trung t\u00e2m d\u1eef li\u1ec7u.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><strong>Xem th\u00eam: <a href=\"https:\/\/hoanghamobile.com\/tin-tuc\/cuc-phat-wifi\/\">C\u1ee5c ph\u00e1t WiFi: top m\u1eabu 4G v\u00e0 5G, b\u1ea3ng gi\u00e1 v\u00e0 c\u00e1ch ch\u1ecdn 2026<\/a><\/strong><\/p>\n<h2>\u01afu \u0111i\u1ec3m c\u1ee7a c\u00e1p quang so v\u1edbi c\u00e1p \u0111\u1ed3ng<\/h2>\n<ul>\n<li>T\u1ed1c \u0111\u1ed9 truy\u1ec1n d\u1eef li\u1ec7u cao v\u00e0 h\u1ed7 tr\u1ee3 b\u0103ng th\u00f4ng l\u1edbn, \u0111\u00e1p \u1ee9ng t\u1ed1t nhu c\u1ea7u Internet hi\u1ec7n \u0111\u1ea1i.<\/li>\n<li>C\u00f3 kh\u1ea3 n\u0103ng truy\u1ec1n t\u00edn hi\u1ec7u tr\u00ean kho\u1ea3ng c\u00e1ch xa v\u1edbi m\u1ee9c suy hao th\u1ea5p h\u01a1n nhi\u1ec1u so v\u1edbi c\u00e1p \u0111\u1ed3ng.<\/li>\n<li>\u00cdt b\u1ecb \u1ea3nh h\u01b0\u1edfng b\u1edfi nhi\u1ec5u \u0111i\u1ec7n t\u1eeb ho\u1eb7c c\u00e1c ngu\u1ed3n t\u00edn hi\u1ec7u \u0111i\u1ec7n xung quanh n\u00ean k\u1ebft n\u1ed1i th\u01b0\u1eddng \u1ed5n \u0111\u1ecbnh h\u01a1n.<\/li>\n<li>Tr\u1ecdng l\u01b0\u1ee3ng nh\u1eb9, \u0111\u1ed9 b\u1ec1n cao khi \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t v\u00e0 s\u1eed d\u1ee5ng trong \u0111i\u1ec1u ki\u1ec7n ph\u00f9 h\u1ee3p.<\/li>\n<\/ul>\n<p><img decoding=\"async\" class=\"size-full wp-image-560424 aligncenter\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/06\/day-cap-quang-3.jpg\" alt=\"day-cap-quang-3\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/06\/day-cap-quang-3.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/06\/day-cap-quang-3-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/06\/day-cap-quang-3-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<h2>L\u01b0u \u00fd khi s\u1eed d\u1ee5ng c\u00e1p quang<\/h2>\n<ul>\n<li>Kh\u00f4ng n\u00ean b\u1ebb g\u1eadp c\u00e1p qu\u00e1 m\u1ee9c v\u00ec s\u1ee3i quang b\u00ean trong kh\u00e1 m\u1ea3nh v\u00e0 c\u00f3 th\u1ec3 b\u1ecb h\u01b0 h\u1ecfng, g\u00e2y suy gi\u1ea3m ho\u1eb7c m\u1ea5t t\u00edn hi\u1ec7u.<\/li>\n<li>Tr\u00e1nh k\u00e9o c\u0103ng ho\u1eb7c \u0111\u1eb7t v\u1eadt n\u1eb7ng \u0111\u00e8 l\u00ean d\u00e2y c\u00e1p \u0111\u1ec3 h\u1ea1n ch\u1ebf nguy c\u01a1 \u0111\u1ee9t g\u00e3y trong qu\u00e1 tr\u00ecnh s\u1eed d\u1ee5ng.<\/li>\n<li>M\u1ed9t s\u1ed1 s\u1ef1 c\u1ed1 ph\u1ed5 bi\u1ebfn nh\u01b0 \u0111\u1ee9t c\u00e1p do thi c\u00f4ng, \u0111\u1ed9ng v\u1eadt c\u1eafn ph\u00e1 ho\u1eb7c t\u00e1c \u0111\u1ed9ng c\u01a1 h\u1ecdc th\u01b0\u1eddng c\u1ea7n k\u1ef9 thu\u1eadt vi\u00ean chuy\u00ean m\u00f4n \u0111\u1ec3 h\u00e0n n\u1ed1i s\u1ee3i quang.<\/li>\n<li>Khi g\u1eb7p t\u00ecnh tr\u1ea1ng m\u1ea5t m\u1ea1ng, h\u00e3y ki\u1ec3m tra \u0111\u00e8n t\u00edn hi\u1ec7u tr\u00ean modem tr\u01b0\u1edbc. N\u1ebfu nghi ng\u1edd \u0111\u01b0\u1eddng c\u00e1p g\u1eb7p s\u1ef1 c\u1ed1, n\u00ean li\u00ean h\u1ec7 nh\u00e0 m\u1ea1ng \u0111\u1ec3 \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3 ki\u1ec3m tra v\u00e0 kh\u1eafc ph\u1ee5c.<\/li>\n<\/ul>\n<p>\u0110\u1ec3 t\u1eadn d\u1ee5ng t\u1ed1i \u0111a t\u1ed1c \u0111\u1ed9 c\u1ee7a Internet c\u00e1p quang, b\u1ea1n c\u0169ng n\u00ean s\u1eed d\u1ee5ng router ch\u1ea5t l\u01b0\u1ee3ng t\u1ed1t v\u00e0 c\u00e1c <strong><a href=\"https:\/\/hoanghamobile.com\/phu-kien\/thiet-bi-mang\">thi\u1ebft b\u1ecb m\u1ea1ng<\/a><\/strong> t\u01b0\u01a1ng th\u00edch. Ngo\u00e0i ra, c\u00f3 th\u1ec3 tham kh\u1ea3o th\u00eam c\u00e1c thi\u1ebft b\u1ecb m\u1ea1ng t\u1ea1i Ho\u00e0ng H\u00e0 Mobile ho\u1eb7c t\u00ecm hi\u1ec3u c\u00e1c g\u00f3i wifi ph\u00f9 h\u1ee3p v\u1edbi nhu c\u1ea7u s\u1eed d\u1ee5ng.<\/p>\n<p><strong>Xem th\u00eam: <a href=\"https:\/\/hoanghamobile.com\/tin-tuc\/xem-mat-khau-wifi-tren-iphone\/\">C\u00e1ch Xem M\u1eadt Kh\u1ea9u Wifi Tr\u00ean iPhone (iOS 16+) Nhanh &amp; D\u1ec5<\/a><\/strong><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-560425 aligncenter\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/06\/day-cap-quang-4.jpg\" alt=\"day-cap-quang-4\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/06\/day-cap-quang-4.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/06\/day-cap-quang-4-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/06\/day-cap-quang-4-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<h2>C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p<\/h2>\n<h3>D\u00e2y c\u00e1p quang l\u00e0 g\u00ec?<\/h3>\n<p>\u0110\u00e2y l\u00e0 lo\u1ea1i c\u00e1p truy\u1ec1n d\u1eef li\u1ec7u b\u1eb1ng t\u00edn hi\u1ec7u \u00e1nh s\u00e1ng th\u00f4ng qua s\u1ee3i th\u1ee7y tinh ho\u1eb7c s\u1ee3i nh\u1ef1a, mang l\u1ea1i t\u1ed1c \u0111\u1ed9 cao, \u00edt suy hao v\u00e0 l\u00e0 n\u1ec1n t\u1ea3ng c\u1ee7a Internet FTTH hi\u1ec7n nay.<\/p>\n<h3>C\u00e1p quang kh\u00e1c c\u00e1p \u0111\u1ed3ng th\u1ebf n\u00e0o?<\/h3>\n<p>C\u00e1p quang truy\u1ec1n d\u1eef li\u1ec7u b\u1eb1ng \u00e1nh s\u00e1ng n\u00ean c\u00f3 t\u1ed1c \u0111\u1ed9 nhanh h\u01a1n, truy\u1ec1n xa h\u01a1n v\u00e0 \u00edt b\u1ecb nhi\u1ec5u \u0111i\u1ec7n t\u1eeb. Trong khi \u0111\u00f3, c\u00e1p \u0111\u1ed3ng truy\u1ec1n b\u1eb1ng t\u00edn hi\u1ec7u \u0111i\u1ec7n, d\u1ec5 suy hao v\u00e0 ch\u1ecbu \u1ea3nh h\u01b0\u1edfng c\u1ee7a nhi\u1ec5u nhi\u1ec1u h\u01a1n.<\/p>\n<h3>C\u00f3 m\u1ea5y lo\u1ea1i c\u00e1p quang?<\/h3>\n<p>Hai lo\u1ea1i ph\u1ed5 bi\u1ebfn l\u00e0 c\u00e1p quang single-mode d\u00f9ng cho kho\u1ea3ng c\u00e1ch xa v\u00e0 c\u00e1p quang multi-mode ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c k\u1ebft n\u1ed1i \u1edf kho\u1ea3ng c\u00e1ch ng\u1eafn.<\/p>\n<h3>C\u00e1p quang c\u00f3 nhanh h\u01a1n c\u00e1p \u0111\u1ed3ng kh\u00f4ng?<\/h3>\n<p>C\u00f3. Nh\u1edd kh\u1ea3 n\u0103ng h\u1ed7 tr\u1ee3 b\u0103ng th\u00f4ng l\u1edbn v\u00e0 truy\u1ec1n t\u00edn hi\u1ec7u hi\u1ec7u qu\u1ea3, c\u00e1p quang th\u01b0\u1eddng cho t\u1ed1c \u0111\u1ed9 v\u00e0 \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh cao h\u01a1n \u0111\u00e1ng k\u1ec3.<\/p>\n<h3>V\u00ec sao kh\u00f4ng n\u00ean b\u1ebb g\u1eadp c\u00e1p quang?<\/h3>\n<p>S\u1ee3i quang b\u00ean trong kh\u00e1 m\u1ea3nh v\u00e0 c\u00f3 th\u1ec3 b\u1ecb n\u1ee9t ho\u1eb7c g\u00e3y n\u1ebfu b\u1ecb u\u1ed1n cong qu\u00e1 m\u1ee9c, d\u1eabn \u0111\u1ebfn suy gi\u1ea3m ho\u1eb7c m\u1ea5t ho\u00e0n to\u00e0n t\u00edn hi\u1ec7u.<\/p>\n<h3>\u0110\u1ee9t c\u00e1p quang x\u1eed l\u00fd th\u1ebf n\u00e0o?<\/h3>\n<p>Th\u00f4ng th\u01b0\u1eddng c\u1ea7n k\u1ef9 thu\u1eadt vi\u00ean s\u1eed d\u1ee5ng thi\u1ebft b\u1ecb chuy\u00ean d\u1ee5ng \u0111\u1ec3 h\u00e0n n\u1ed1i s\u1ee3i quang. Khi nghi ng\u1edd c\u00e1p b\u1ecb \u0111\u1ee9t, ng\u01b0\u1eddi d\u00f9ng n\u00ean li\u00ean h\u1ec7 nh\u00e0 m\u1ea1ng \u0111\u1ec3 \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3.<\/p>\n<h3>M\u1ea5t m\u1ea1ng c\u00e1p quang c\u1ea7n ki\u1ec3m tra g\u00ec tr\u01b0\u1edbc?<\/h3>\n<p>H\u00e3y quan s\u00e1t c\u00e1c \u0111\u00e8n b\u00e1o tr\u00ean modem, \u0111\u1eb7c bi\u1ec7t l\u00e0 \u0111\u00e8n t\u00edn hi\u1ec7u quang nh\u01b0 LOS. N\u1ebfu \u0111\u00e8n b\u00e1o b\u1ea5t th\u01b0\u1eddng ho\u1eb7c chuy\u1ec3n sang m\u00e0u \u0111\u1ecf, b\u1ea1n n\u00ean li\u00ean h\u1ec7 nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 \u0111\u1ec3 ki\u1ec3m tra.<\/p>\n<h3>C\u00e1p quang d\u00f9ng cho gia \u0111\u00ecnh l\u00e0 lo\u1ea1i n\u00e0o?<\/h3>\n<p>Ph\u1ea7n l\u1edbn c\u00e1c d\u1ecbch v\u1ee5 Internet FTTH d\u00e0nh cho h\u1ed9 gia \u0111\u00ecnh hi\u1ec7n nay s\u1eed d\u1ee5ng c\u00e1p quang single-mode k\u00e9o tr\u1ef1c ti\u1ebfp \u0111\u1ebfn nh\u00e0 v\u00e0 k\u1ebft n\u1ed1i th\u00f4ng qua modem quang.<\/p>\n<h2>K\u1ebft lu\u1eadn<\/h2>\n<p>D\u00e2y c\u00e1p quang l\u00e0 n\u1ec1n t\u1ea3ng quan tr\u1ecdng c\u1ee7a c\u00e1c h\u1ec7 th\u1ed1ng Internet hi\u1ec7n \u0111\u1ea1i nh\u1edd kh\u1ea3 n\u0103ng truy\u1ec1n d\u1eef li\u1ec7u b\u1eb1ng \u00e1nh s\u00e1ng v\u1edbi t\u1ed1c \u0111\u1ed9 cao, \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh t\u1ed1t v\u00e0 m\u1ee9c suy hao th\u1ea5p. Vi\u1ec7c s\u1eed d\u1ee5ng \u0111\u00fang c\u00e1ch, tr\u00e1nh b\u1ebb g\u1eadp ho\u1eb7c t\u00e1c \u0111\u1ed9ng m\u1ea1nh l\u00ean d\u00e2y c\u00e1p s\u1ebd gi\u00fap duy tr\u00ec ch\u1ea5t l\u01b0\u1ee3ng k\u1ebft n\u1ed1i v\u00e0 h\u1ea1n ch\u1ebf s\u1ef1 c\u1ed1. N\u1ebfu g\u1eb7p d\u1ea5u hi\u1ec7u m\u1ea5t t\u00edn hi\u1ec7u ho\u1eb7c nghi ng\u1edd \u0111\u1ee9t c\u00e1p, b\u1ea1n n\u00ean li\u00ean h\u1ec7 nh\u00e0 m\u1ea1ng \u0111\u1ec3 \u0111\u01b0\u1ee3c ki\u1ec3m tra v\u00e0 x\u1eed l\u00fd k\u1ecbp th\u1eddi, \u0111\u1ed3ng th\u1eddi c\u00e2n nh\u1eafc trang b\u1ecb th\u00eam c\u00e1c <strong><a href=\"https:\/\/hoanghamobile.com\/phu-kien\/thiet-bi-mang\">thi\u1ebft b\u1ecb m\u1ea1ng<\/a><\/strong> ph\u00f9 h\u1ee3p \u0111\u1ec3 t\u1ed1i \u01b0u tr\u1ea3i nghi\u1ec7m s\u1eed d\u1ee5ng.<br \/>\n<script type=\"application\/ld+json\">\n{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"D\u00e2y c\u00e1p quang l\u00e0 g\u00ec?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"\u0110\u00e2y l\u00e0 lo\u1ea1i c\u00e1p truy\u1ec1n d\u1eef li\u1ec7u b\u1eb1ng t\u00edn hi\u1ec7u \u00e1nh s\u00e1ng th\u00f4ng qua s\u1ee3i th\u1ee7y tinh ho\u1eb7c s\u1ee3i nh\u1ef1a, mang l\u1ea1i t\u1ed1c \u0111\u1ed9 cao, \u00edt suy hao v\u00e0 l\u00e0 n\u1ec1n t\u1ea3ng c\u1ee7a Internet FTTH hi\u1ec7n nay.\"}},{\"@type\":\"Question\",\"name\":\"C\u00e1p quang kh\u00e1c c\u00e1p \u0111\u1ed3ng th\u1ebf n\u00e0o?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"C\u00e1p quang truy\u1ec1n d\u1eef li\u1ec7u b\u1eb1ng \u00e1nh s\u00e1ng n\u00ean c\u00f3 t\u1ed1c \u0111\u1ed9 nhanh h\u01a1n, truy\u1ec1n xa h\u01a1n v\u00e0 \u00edt b\u1ecb nhi\u1ec5u \u0111i\u1ec7n t\u1eeb. 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Nh\u1edd kh\u1ea3 n\u0103ng h\u1ed7 tr\u1ee3 b\u0103ng th\u00f4ng l\u1edbn v\u00e0 truy\u1ec1n t\u00edn hi\u1ec7u hi\u1ec7u qu\u1ea3, c\u00e1p quang th\u01b0\u1eddng cho t\u1ed1c \u0111\u1ed9 v\u00e0 \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh cao h\u01a1n \u0111\u00e1ng k\u1ec3.\"}},{\"@type\":\"Question\",\"name\":\"V\u00ec sao kh\u00f4ng n\u00ean b\u1ebb g\u1eadp c\u00e1p quang?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"S\u1ee3i quang b\u00ean trong kh\u00e1 m\u1ea3nh v\u00e0 c\u00f3 th\u1ec3 b\u1ecb n\u1ee9t ho\u1eb7c g\u00e3y n\u1ebfu b\u1ecb u\u1ed1n cong qu\u00e1 m\u1ee9c, d\u1eabn \u0111\u1ebfn suy gi\u1ea3m ho\u1eb7c m\u1ea5t ho\u00e0n to\u00e0n t\u00edn hi\u1ec7u.\"}},{\"@type\":\"Question\",\"name\":\"\u0110\u1ee9t c\u00e1p quang x\u1eed l\u00fd th\u1ebf n\u00e0o?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Th\u00f4ng th\u01b0\u1eddng c\u1ea7n k\u1ef9 thu\u1eadt vi\u00ean s\u1eed d\u1ee5ng thi\u1ebft b\u1ecb chuy\u00ean d\u1ee5ng \u0111\u1ec3 h\u00e0n n\u1ed1i s\u1ee3i quang. Khi nghi ng\u1edd c\u00e1p b\u1ecb \u0111\u1ee9t, ng\u01b0\u1eddi d\u00f9ng n\u00ean li\u00ean h\u1ec7 nh\u00e0 m\u1ea1ng \u0111\u1ec3 \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3.\"}},{\"@type\":\"Question\",\"name\":\"M\u1ea5t m\u1ea1ng c\u00e1p quang c\u1ea7n ki\u1ec3m tra g\u00ec tr\u01b0\u1edbc?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"H\u00e3y quan s\u00e1t c\u00e1c \u0111\u00e8n b\u00e1o tr\u00ean modem, \u0111\u1eb7c bi\u1ec7t l\u00e0 \u0111\u00e8n t\u00edn hi\u1ec7u quang nh\u01b0 LOS. 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Nh\u1edd kh\u1ea3 n\u0103ng truy\u1ec1n d\u1eef li\u1ec7u nhanh, \u1ed5n \u0111\u1ecbnh v\u00e0 \u00edt b\u1ecb \u1ea3nh h\u01b0\u1edfng b\u1edfi nhi\u1ec5u \u0111i\u1ec7n t\u1eeb, c\u00e1p quang \u0111\u00e3 d\u1ea7n thay th\u1ebf nhi\u1ec1u [&hellip;]<\/p>\n","protected":false},"author":65,"featured_media":560421,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_focuskw":"d\u00e2y c\u00e1p quang","_yoast_wpseo_title":"D\u00e2y C\u00e1p Quang L\u00e0 G\u00ec? C\u1ea5u T\u1ea1o & Ph\u00e2n Lo\u1ea1i","_yoast_wpseo_metadesc":"D\u00e2y c\u00e1p quang l\u00e0 g\u00ec, c\u1ea5u t\u1ea1o (l\u00f5i, cladding, v\u1ecf), ph\u00e2n lo\u1ea1i single-mode\/multi-mode, \u01b0u \u0111i\u1ec3m so v\u1edbi c\u00e1p \u0111\u1ed3ng v\u00e0 l\u01b0u \u00fd khi s\u1eed d\u1ee5ng.","footnotes":""},"categories":[30626,16],"tags":[],"class_list":["post-559398","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-phu-kien-tien-ich","category-thu-thuat"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.3 (Yoast SEO v27.4) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>D\u00e2y C\u00e1p Quang L\u00e0 G\u00ec? C\u1ea5u T\u1ea1o &amp; Ph\u00e2n Lo\u1ea1i<\/title>\n<meta name=\"description\" content=\"D\u00e2y c\u00e1p quang l\u00e0 g\u00ec, c\u1ea5u t\u1ea1o (l\u00f5i, cladding, v\u1ecf), ph\u00e2n lo\u1ea1i single-mode\/multi-mode, \u01b0u \u0111i\u1ec3m so v\u1edbi c\u00e1p \u0111\u1ed3ng v\u00e0 l\u01b0u \u00fd khi s\u1eed d\u1ee5ng.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/hoanghamobile.com\/tin-tuc\/day-cap-quang\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"D\u00e2y C\u00e1p Quang L\u00e0 G\u00ec? C\u1ea5u T\u1ea1o, Ph\u00e2n Lo\u1ea1i, \u01afu \u0110i\u1ec3m &amp; L\u01b0u \u00dd 2026\" \/>\n<meta property=\"og:description\" content=\"D\u00e2y c\u00e1p quang l\u00e0 g\u00ec, c\u1ea5u t\u1ea1o (l\u00f5i, cladding, v\u1ecf), ph\u00e2n lo\u1ea1i single-mode\/multi-mode, \u01b0u \u0111i\u1ec3m so v\u1edbi c\u00e1p \u0111\u1ed3ng v\u00e0 l\u01b0u \u00fd khi s\u1eed d\u1ee5ng.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/hoanghamobile.com\/tin-tuc\/day-cap-quang\/\" \/>\n<meta property=\"og:site_name\" content=\"Tin t\u1ee9c c\u00f4ng ngh\u1ec7 - HoangHaMobile\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/hoanghamobilecom\" \/>\n<meta property=\"article:author\" content=\"https:\/\/www.facebook.com\/hoanghamobilecom\" \/>\n<meta property=\"article:published_time\" content=\"2026-06-25T02:18:26+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/06\/day-cap-quang.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1200\" \/>\n\t<meta property=\"og:image:height\" content=\"628\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Vo Giang\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u0110\u01b0\u1ee3c vi\u1ebft b\u1edfi\" \/>\n\t<meta name=\"twitter:data1\" content=\"Vo Giang\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u01af\u1edbc t\u00ednh th\u1eddi gian \u0111\u1ecdc\" \/>\n\t<meta name=\"twitter:data2\" content=\"8 ph\u00fat\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/hoanghamobile.com\\\/tin-tuc\\\/day-cap-quang\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/hoanghamobile.com\\\/tin-tuc\\\/day-cap-quang\\\/\"},\"author\":{\"name\":\"Vo Giang\",\"@id\":\"https:\\\/\\\/hoanghamobile.com\\\/tin-tuc\\\/#\\\/schema\\\/person\\\/72d0493d28396e6a0cdc358e9260c03c\"},\"headline\":\"D\u00e2y C\u00e1p Quang L\u00e0 G\u00ec? 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