{"id":290602,"date":"2023-11-29T19:45:00","date_gmt":"2023-11-29T12:45:00","guid":{"rendered":"https:\/\/hoanghamobile.com\/tin-tuc\/?p=290602"},"modified":"2023-11-29T19:45:00","modified_gmt":"2023-11-29T12:45:00","slug":"ble","status":"publish","type":"post","link":"https:\/\/hoanghamobile.com\/tin-tuc\/ble\/","title":{"rendered":"Bluetooth Low Energy (BLE) l\u00e0 g\u00ec? Nh\u1eefng \u0111i\u1ec1u b\u1ea1n ch\u01b0a bi\u1ebft v\u1ec1 BLE"},"content":{"rendered":"<p><span style=\"font-weight: 400;\">BLE hay Bluetooth Low Energy l\u00e0 m\u1ed9t c\u00f4ng ngh\u1ec7 ti\u00ean ti\u1ebfn gi\u00fap nh\u1eefng thi\u1ebft b\u1ecb c\u00f3 th\u1ec3 giao ti\u1ebfp v\u1edbi nhau m\u00e0 kh\u00f4ng c\u1ea7n d\u00e2y c\u00e1p. C\u00f4ng ngh\u1ec7 n\u00e0y \u0111\u00e3 t\u1ea1o ra nhi\u1ec1u \u0111i\u1ec3m ti\u1ec7n l\u1ee3i cho ng\u01b0\u1eddi d\u00f9ng trong h\u1ecdc t\u1eadp v\u00e0 c\u00f4ng vi\u1ec7c. B\u00e0i vi\u1ebft sau s\u1ebd chia s\u1ebb chi ti\u1ebft h\u01a1n v\u1ec1 c\u00f4ng ngh\u1ec7 giao ti\u1ebfp m\u1edbi n\u00e0y c\u00f9ng nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng v\u00e0 \u1ee9ng d\u1ee5ng c\u1ee7a n\u00f3.<\/span><\/p>\n<h2><span style=\"font-weight: 400;\">BLE l\u00e0 g\u00ec?<\/span><\/h2>\n<p><span style=\"font-weight: 400;\">BLE l\u00e0 t\u1eeb vi\u1ebft t\u1eaft c\u1ee7a c\u1ee5m t\u1eeb ti\u1ebfng anh Bluetooth Low Energy ho\u1eb7c nhi\u1ec1u ng\u01b0\u1eddi hay g\u1ecdi l\u00e0 Bluetooth LE. \u0110\u00e2y l\u00e0 c\u00f4ng ngh\u1ec7 cho ph\u00e9p c\u00e1c thi\u1ebft b\u1ecb c\u00f3 th\u1ec3 giao ti\u1ebfp v\u1edbi nhau m\u00e0 kh\u00f4ng c\u1ea7n d\u00e2y c\u00e1p v\u1edbi c\u00f4ng su\u1ea5t th\u1ea5p. C\u00e1c thi\u1ebft b\u1ecb th\u00f4ng minh c\u00f3 th\u1ec3 li\u00ean k\u1ebft v\u1edbi nhau trong kho\u1ea3ng c\u00e1ch g\u1ea7n b\u1eb1ng c\u00f4ng ngh\u1ec7 n\u00e0y.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">M\u1ed9t v\u00e0i thi\u1ebft b\u1ecb m\u00e0 ng\u01b0\u1eddi d\u00f9ng hay s\u1eed d\u1ee5ng m\u1ed7i ng\u00e0y nh\u01b0 \u0111\u1ed3ng h\u1ed3 th\u00f4ng minh, \u0111i\u1ec7n tho\u1ea1i th\u00f4ng minh, tai nghe kh\u00f4ng d\u00e2y, m\u00e1y t\u00ednh, thi\u1ebft b\u1ecb theo d\u00f5i ho\u1ea1t \u0111\u1ed9ng th\u1ec3 thao,&#8230; c\u00f3 th\u1ec3 d\u00f9ng c\u00f4ng ngh\u1ec7 Bluetooth Low Energy \u0111\u1ec3 giao ti\u1ebfp qua l\u1ea1i v\u1edbi nhau.<\/span><\/p>\n<p><picture><source srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2023\/11\/ble-1.jpg.webp 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2023\/11\/ble-1-300x169.jpg.webp 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2023\/11\/ble-1-768x432.jpg.webp 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" type=\"image\/webp\"><img fetchpriority=\"high\" decoding=\"async\" class=\"size-full wp-image-290606 aligncenter webpexpress-processed\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2023\/11\/ble-1.jpg\" alt=\"ble-1\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2023\/11\/ble-1.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2023\/11\/ble-1-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2023\/11\/ble-1-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\"><\/picture><\/p>\n<p><span style=\"font-weight: 400;\">BLE l\u00e0 m\u1ed9t ti\u00eau chu\u1ea9n Bluetooth m\u1edbi \u0111\u01b0\u1ee3c SIG \u201c\u0111\u1ecbnh danh\u201d v\u1edbi vi\u1ec7c t\u1eadp trung v\u00e0o c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t d\u00f9ng n\u0103ng l\u01b0\u1ee3ng trong qu\u00e1 tr\u00ecnh truy\u1ec1n t\u1ea3i d\u1eef li\u1ec7u. <\/span><span style=\"font-weight: 400;\">Bluetooth Low Energy c\u00f2n c\u00f3 th\u1ec3 tri\u1ec3n khai trong nhi\u1ec1u l\u0129nh v\u1ef1c nh\u01b0 th\u1ec3 d\u1ee5c th\u1ec3 thao, s\u1ee9c kh\u1ecfe, gi\u1ea3i tr\u00ed gia \u0111\u00ecnh, b\u1ea3o m\u1eadt, IoT, c\u00f4ng nghi\u1ec7p th\u00f4ng minh, t\u1ef1 \u0111\u1ed9ng h\u00f3a trong gia \u0111\u00ecnh,&#8230; Ngo\u00e0i ra n\u00f3 c\u0169ng \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng tr\u00ean nhi\u1ec1u thi\u1ebft b\u1ecb nh\u01b0 laptop, smartphone m\u00e0 b\u1ea1n s\u1eed d\u1ee5ng h\u00e0ng ng\u00e0y.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u0110i\u1ec3n h\u00ecnh l\u00e0 h\u00e3ng Apple \u0111\u00e3 \u1ee9ng d\u1ee5ng c\u00f4ng ngh\u1ec7 Bluetooth LE v\u00e0o nh\u1eefng phi\u00ean b\u1ea3n \u0111i\u1ec7n tho\u1ea1i iPhone c\u1ee7a m\u00ecnh nh\u01b0 iPhone 4s ra m\u1eaft v\u00e0o n\u0103m 2011. H\u1ea7u h\u1ebft nh\u1eefng thi\u1ebft b\u1ecb iOS v\u00e0 Android trong th\u1ecb tr\u01b0\u1eddng ng\u00e0y nay \u0111\u1ec1u \u0111ang d\u00f9ng Bluetooth LE \u0111\u1ec3 t\u01b0\u01a1ng t\u00e1c, giao ti\u1ebfp nhanh ch\u00f3ng v\u1edbi nh\u1eefng thi\u1ebft b\u1ecb kh\u00e1c. S\u1ef1 th\u1ecbnh h\u00e0nh c\u1ee7a Smartphone \u0111\u00e3 t\u1ea1o ti\u1ec1n \u0111\u1ec1 cho c\u00f4ng ngh\u1ec7 giao ti\u1ebfp n\u00e0y ng\u00e0y c\u00e0ng ph\u00e1t tri\u1ec3n v\u01b0\u1ee3t b\u1eadc h\u01a1n n\u1eefa.<\/span><\/p>\n<h2><span style=\"font-weight: 400;\">Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u1ee7a BLE<\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Bluetooth Low Energy hi\u1ec7n \u0111ang x\u00e1c \u0111\u1ecbnh c\u1ea5u tr\u00fac c\u00e1c th\u00f4ng tin trao \u0111\u1ed5i v\u1edbi nhau d\u1ef1a tr\u00ean c\u1ea5u tr\u00fac d\u1eef li\u1ec7u d\u1ea1ng ph\u00e2n c\u1ea5p. C\u1ee5 th\u1ec3 l\u00e0 m\u1ed9t thi\u1ebft b\u1ecb Bluetooth Low Energy s\u1ebd ho\u1ea1t \u0111\u1ed9ng v\u1edbi vai tr\u00f2 c\u1ee7a thi\u1ebft b\u1ecb ngo\u1ea1i vi \u0111\u1ec3 c\u00e1c thu\u1ed9c t\u00ednh, d\u1ecbch v\u1ee5 c\u1ee7a n\u00f3 \u0111\u1ec3 \u1ee9ng d\u1ee5ng v\u00e0o giao ti\u1ebfp, t\u01b0\u01a1ng t\u00e1c v\u1edbi nh\u1eefng thi\u1ebft b\u1ecb kh\u00e1c.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Nh\u1eefng thu\u1ed9c t\u00ednh tr\u00ean thi\u1ebft b\u1ecb s\u1ebd \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh d\u1ef1a v\u00e0o c\u1ea5u h\u00ecnh GATT (thu\u1ed9c t\u00ednh chung). T\u1eebng thu\u1ed9c t\u00ednh s\u1ebd th\u1ec3 hi\u1ec7n gi\u00e1 tr\u1ecb d\u01b0\u1edbi h\u00ecnh th\u1ee9c g\u00f3i nh\u1ecf th\u00f4ng tin v\u00e0 c\u00f3 kh\u1ea3 n\u0103ng thay \u0111\u1ed5i qua th\u1eddi gian.<\/span><\/p>\n<p><picture><source srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2023\/11\/ble-2.jpg.webp 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2023\/11\/ble-2-300x169.jpg.webp 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2023\/11\/ble-2-768x432.jpg.webp 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" type=\"image\/webp\"><img decoding=\"async\" class=\"size-full wp-image-290607 aligncenter webpexpress-processed\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2023\/11\/ble-2.jpg\" alt=\"ble-2\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2023\/11\/ble-2.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2023\/11\/ble-2-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2023\/11\/ble-2-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\"><\/picture><\/p>\n<p><span style=\"font-weight: 400;\">Ngo\u00e0i ra, nh\u1eefng thu\u1ed9c t\u00ednh \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh th\u01b0\u1eddng s\u1ebd ch\u1ee9a nh\u1eefng gi\u00e1 tr\u1ecb theo ki\u1ec3u ghi ho\u1eb7c ki\u1ec3u \u0111\u1ecdc. Thi\u1ebft b\u1ecb ngo\u1ea1i vi n\u00e0o chia s\u1ebb thu\u1ed9c t\u00ednh theo ki\u1ec3u \u0111\u1ecdc s\u1ebd truy\u1ec1n t\u1ea3i c\u00e1c th\u00f4ng tin quan tr\u1ecdng cho trung t\u00e2m v\u00e0 g\u1eedi c\u00e1c d\u1eef li\u1ec7u \u0111i. C\u00f2n nh\u1eefng thi\u1ebft b\u1ecb ngo\u1ea1i vi chia s\u1ebb thu\u1ed9c t\u00ednh theo ki\u1ec3u ghi s\u1ebd c\u00f3 giao di\u1ec7n nh\u1eadn c\u00e1c d\u1eef li\u1ec7u t\u1eeb trung t\u00e2m.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Th\u00f4ng th\u01b0\u1eddng d\u1eef li\u1ec7u BLE s\u1ebd \u0111\u01b0\u1ee3c g\u1eedi \u0111i v\u00e0 nh\u1eadn v\u1edbi h\u00ecnh th\u1ee9c g\u00f3i nh\u1ecf d\u1eef li\u1ec7u. Trong Bluetooth LE 4.1 v\u00e0 4.0 th\u00ec k\u00edch th\u01b0\u1edbc d\u1eef li\u1ec7u cao nh\u1ea5t l\u00e0 27 byte. Trong \u0111\u00f3, g\u00f3i d\u1eef li\u1ec7u n\u00e0y c\u00f2n ch\u1ee9a ti\u00eau \u0111\u1ec1 c\u00f3 k\u00edch th\u01b0\u1edbc 4 byte l\u00e0m cho t\u1ed5ng g\u00f3i t\u0103ng l\u00ean 31 byte.<\/span><\/p>\n<h2><span style=\"font-weight: 400;\">\u01afu \u0111i\u1ec3m v\u00e0 nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a c\u00f4ng ngh\u1ec7 BLE<\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Kh\u00f4ng ph\u1ea3i c\u00f4ng ngh\u1ec7 n\u00e0o c\u0169ng \u0111em l\u1ea1i l\u1ee3i \u00edch cho ng\u01b0\u1eddi d\u00f9ng m\u00e0 kh\u00f4ng c\u00f3 m\u1eb7t h\u1ea1n ch\u1ebf. C\u00f4ng ngh\u1ec7 Bluetooth Low Energy c\u0169ng c\u00f3 nh\u1eefng m\u1eb7t \u01b0u \u0111i\u1ec3m v\u00e0 h\u1ea1n ch\u1ebf ri\u00eang nh\u01b0 sau:<\/span><\/p>\n<h3><span style=\"font-weight: 400;\">\u01afu \u0111i\u1ec3m<\/span><\/h3>\n<ul>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">\u0110\u1ea7u ti\u00ean l\u00e0 c\u00f4ng ngh\u1ec7 n\u00e0y c\u00f3 m\u1ee9c ti\u00eau hao n\u0103ng l\u01b0\u1ee3ng t\u1ed1i thi\u1ec3u. N\u00f3 cho ph\u00e9p c\u00e1c thi\u1ebft b\u1ecb c\u00f3 th\u1ec3 v\u1eadn h\u00e0nh trong v\u00e0i th\u00e1ng \u0111\u1ebfn v\u00e0i n\u0103m v\u1edbi duy nh\u1ea5t 1 vi\u00ean pin. \u0110i\u1ec1u n\u00e0y nh\u1edd v\u00e0o c\u01a1 ch\u1ebf k\u00edch ho\u1ea1t k\u1ebft n\u1ed1i khi c\u00f3 th\u00f4ng tin \u0111\u01b0\u1ee3c truy\u1ec1n \u0111\u1ebfn v\u00e0 \u0111i, \u0111\u1ed3ng th\u1eddi n\u00f3 s\u1ebd t\u1ef1 t\u1eaft khi kh\u00f4ng c\u00f3 th\u00f4ng tin truy\u1ec1n t\u1ea3i.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">C\u00e1c m\u00f4 h\u00ecnh chip v\u00e0 d\u1eef li\u1ec7u s\u1eed d\u1ee5ng \u0111\u1ec3 thi\u1ebft k\u1ebf Bluetooth Low Energy c\u00f3 gi\u00e1 c\u1ea3 kh\u00f4ng qu\u00e1 \u0111\u1eaft n\u00ean c\u00f4ng ngh\u1ec7 BLE c\u00f3 gi\u00e1 kh\u00e1 th\u1ea5p.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Bluetooth LE v\u1eadn h\u00e0nh \u1edf t\u1ea7n s\u1ed1 l\u00e0 2.4 GHz ISM Band n\u00ean c\u00f3 th\u1ec3 tr\u00e1nh t\u00ecnh tr\u1ea1ng nhi\u1ec5u s\u00f3ng gi\u1eefa c\u00e1c thi\u1ebft b\u1ecb Bluetooth v\u00e0 Wifi.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Qu\u00e1 tr\u00ecnh thi\u1ebft l\u1eadp kh\u1ea3 n\u0103ng k\u1ebft n\u1ed1i v\u00e0 truy\u1ec1n t\u1ea3i th\u00f4ng tin kh\u00e1 nhanh, c\u1ee5 th\u1ec3 l\u00e0 ch\u1ec9 m\u1ea5t kho\u1ea3ng 3ms.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Hi\u1ec7n nay h\u1ea7u h\u1ebft nh\u1eefng chi\u1ebfc Smartphone tr\u00ean th\u1ecb tr\u01b0\u1eddng \u0111\u1ec1u t\u00edch h\u1ee3p c\u00f4ng ngh\u1ec7 Bluetooth Low Energy n\u00ean s\u1edf h\u1eefu \u01b0u th\u1ebf cao h\u01a1n c\u00e1c c\u00f4ng ngh\u1ec7 kh\u00e1c.\u00a0<\/span><\/li>\n<\/ul>\n<p><picture><source srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2023\/11\/ble-3.jpg.webp 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2023\/11\/ble-3-300x169.jpg.webp 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2023\/11\/ble-3-768x432.jpg.webp 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" type=\"image\/webp\"><img decoding=\"async\" class=\"size-full wp-image-290608 aligncenter webpexpress-processed\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2023\/11\/ble-3.jpg\" alt=\"ble-3\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2023\/11\/ble-3.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2023\/11\/ble-3-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2023\/11\/ble-3-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\"><\/picture><\/p>\n<h3><span style=\"font-weight: 400;\">Nh\u01b0\u1ee3c \u0111i\u1ec3m<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">S\u00f3ng c\u1ee7a Bluetooth Low Energy trong kh\u00f4ng gian c\u00f3 t\u1ea7n s\u1ed1 \u0111i\u1ec1u ch\u1ebf l\u00e0 1Mps. Nh\u01b0ng tham s\u1ed1 n\u00e0y tr\u00ean th\u1ef1c t\u1ebf th\u01b0\u1eddng th\u1ea5p h\u01a1n do nhi\u1ec1u y\u1ebfu t\u1ed1 \u1ea3nh h\u01b0\u1edfng.\u00a0<\/span><\/p>\n<p><picture><source srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2023\/11\/ble-4.jpg.webp 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2023\/11\/ble-4-300x169.jpg.webp 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2023\/11\/ble-4-768x432.jpg.webp 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" type=\"image\/webp\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-290609 aligncenter webpexpress-processed\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2023\/11\/ble-4.jpg\" alt=\"ble-4\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2023\/11\/ble-4.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2023\/11\/ble-4-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2023\/11\/ble-4-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\"><\/picture><\/p>\n<p><span style=\"font-weight: 400;\">Bluetooth Low Energy c\u00f3 th\u1ec3 truy\u1ec1n t\u1ea3i th\u00f4ng tin trong kho\u1ea3ng c\u00e1ch l\u1edbn nh\u1ea5t l\u00e0 100m theo l\u00fd thuy\u1ebft. Nh\u01b0ng theo th\u1ef1c t\u1ebf th\u00ec c\u00f4ng ngh\u1ec7 k\u1ebft n\u1ed1i n\u00e0y ch\u1ec9 c\u00f3 kh\u1ea3 n\u0103ng truy\u1ec1n t\u1ea3i \u0111\u01b0\u1ee3c th\u00f4ng tin trong kho\u1ea3ng 30m v\u00e0 hi\u1ec7u su\u1ea5t truy\u1ec1n t\u1ea3i \u1ed5n \u0111\u1ecbnh nh\u1ea5t \u1edf kho\u1ea3ng 2 \u0111\u1ebfn 5m. Nh\u1eefng nh\u00e2n t\u1ed1 t\u00e1c \u0111\u1ed9ng \u0111\u1ebfn kho\u1ea3ng c\u00e1ch truy\u1ec1n t\u1ea3i d\u1eef li\u1ec7u n\u00e0y l\u00e0 thi\u1ebft k\u1ebf anten, m\u00f4i tr\u01b0\u1eddng ho\u1ea1t \u0111\u1ed9ng, h\u01b0\u1edbng thi\u1ebft b\u1ecb, v\u1eadt c\u1ea3n,&#8230;<\/span><\/p>\n<h2><span style=\"font-weight: 400;\">\u0110i\u1ec3m kh\u00e1c nhau gi\u1eefa c\u00f4ng ngh\u1ec7 BLE v\u00e0 Bluetooth\u00a0<\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Bluetooth Low Energy v\u00e0 Bluetooth \u0111\u1ec1u gi\u1ed1ng nhau \u1edf \u0111i\u1ec3m l\u00e0 m\u1ecdi ng\u01b0\u1eddi c\u00f3 th\u1ec3 k\u1ebft n\u1ed1i v\u1edbi nh\u1eefng thi\u1ebft b\u1ecb quan tr\u1ecdng c\u1ee7a h\u1ecd nh\u1eb1m m\u1ee5c \u0111\u00edch th\u01b0\u01a1ng m\u1ea1i hay c\u00e1 nh\u00e2n. S\u1ef1 kh\u00e1c nhau gi\u1eefa hai c\u00f4ng ngh\u1ec7 n\u00e0y l\u00e0 \u1edf c\u00e1ch ph\u00e2n ph\u1ed1i c\u00e1c d\u1eef li\u1ec7u \u0111\u1ec3 t\u1ed1i \u01b0u n\u0103ng l\u01b0\u1ee3ng s\u1eed d\u1ee5ng.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Bluetooth Low Energy th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 ti\u1ebft ki\u1ec7m m\u1ed9t l\u01b0\u1ee3ng \u0111i\u1ec7n n\u0103ng \u0111\u00e1ng k\u1ec3 nh\u01b0ng n\u00f3 c\u00f3 m\u1ed9t s\u1ed1 \u0111\u1eb7c \u0111i\u1ec3m kh\u00e1c so v\u1edbi c\u00f4ng ngh\u1ec7 Bluetooth nh\u01b0 b\u1ea3ng sau:<\/span><\/p>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Ti\u00eau ch\u00ed<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Bluetooth<\/span><\/td>\n<td><span style=\"font-weight: 400;\">BLE<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">T\u1ea7n s\u1ed1<\/span><\/td>\n<td><span style=\"font-weight: 400;\">2.4G<\/span><\/td>\n<td><span style=\"font-weight: 400;\">2.4G<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Kho\u1ea3ng c\u00e1ch<\/span><\/td>\n<td><span style=\"font-weight: 400;\">100 m\u00e9t<\/span><\/td>\n<td><span style=\"font-weight: 400;\">&lt; 100 m\u00e9t<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">T\u1ed1c \u0111\u1ed9 truy\u1ec1n d\u1eef li\u1ec7u<\/span><\/td>\n<td><span style=\"font-weight: 400;\">1 \u2013 3Mbps<\/span><\/td>\n<td><span style=\"font-weight: 400;\">125Kbps \u2013 2Mbps<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Th\u00f4ng l\u01b0\u1ee3ng<\/span><\/td>\n<td><span style=\"font-weight: 400;\">0.7-2.1Mbps<\/span><\/td>\n<td><span style=\"font-weight: 400;\">305kbps<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">B\u1ea3o m\u1eadt<\/span><\/td>\n<td><span style=\"font-weight: 400;\">64 bit, 128bit<\/span><\/td>\n<td><span style=\"font-weight: 400;\">128-bit AES<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">M\u1ee9c ti\u00eau th\u1ee5 n\u0103ng l\u01b0\u1ee3ng<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Th\u1ea5p<\/span><\/td>\n<td><span style=\"font-weight: 400;\">R\u1ea5t th\u1ea5p<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">\u0110\u1ed9 tr\u1ec5<\/span><\/td>\n<td><span style=\"font-weight: 400;\">100ms<\/span><\/td>\n<td><span style=\"font-weight: 400;\">6ms<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">C\u00f4ng su\u1ea5t<\/span><\/td>\n<td><span style=\"font-weight: 400;\">1W<\/span><\/td>\n<td><span style=\"font-weight: 400;\">0.01 \u2013 0.5W<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Kh\u1ea3 n\u0103ng tho\u1ea1i<\/span><\/td>\n<td><span style=\"font-weight: 400;\">C\u00f3<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Kh\u00f4ng<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Giao ti\u1ebfp<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Li\u00ean t\u1ee5c theo hai h\u01b0\u1edbng<\/span><\/td>\n<td><span style=\"font-weight: 400;\">T\u1eebng \u0111\u1ee3t ng\u1eafn ch\u1ec9 theo m\u1ed9t h\u01b0\u1edbng<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><span style=\"font-weight: 400;\">V\u1edbi nh\u1eefng \u0111\u1eb7c \u0111i\u1ec3m tr\u00ean, c\u00f4ng ngh\u1ec7 Bluetooth th\u01b0\u1eddng d\u00f9ng cho qu\u00e1 tr\u00ecnh truy\u1ec1n t\u1ea3i, x\u1eed l\u00fd, trao \u0111\u1ed5i l\u01b0\u1ee3ng d\u1eef li\u1ec7u l\u1edbn nh\u01b0 h\u00ecnh \u1ea3nh, \u00e2m thanh, video v\u00e0o\u2026 Nh\u01b0ng vi\u1ec7c k\u1ebft n\u1ed1i v\u1edbi c\u00f4ng ngh\u1ec7 Bluetooth s\u1ebd t\u1ed1n \u0111i\u1ec7n n\u0103ng nhi\u1ec1u h\u01a1n v\u00e0 gi\u00e1 c\u1ea3 c\u0169ng cao h\u01a1n.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">C\u00f2n c\u00f4ng ngh\u1ec7 Bluetooth LE s\u1ebd th\u00edch h\u1ee3p v\u1edbi vi\u1ec7c k\u1ebft n\u1ed1i v\u00e0 truy\u1ec1n t\u1ea3i \u00edt d\u1eef li\u1ec7u h\u01a1n. V\u00ec v\u1eady m\u00e0 nh\u1eefng thi\u1ebft b\u1ecb k\u1ebft n\u1ed1i v\u1edbi c\u00f4ng ngh\u1ec7 n\u00e0y c\u00f3 th\u1ec3 ho\u1ea1t \u0111\u1ed9ng v\u1edbi n\u0103ng l\u01b0\u1ee3ng b\u1eb1ng pin trong th\u1eddi gian d\u00e0i v\u1edbi gi\u00e1 c\u1ea3 r\u1ebb h\u01a1n Bluetooth b\u1edfi v\u00ec n\u00f3 kh\u00f4ng \u0111\u00f2i h\u1ecfi ph\u1ea3i th\u1ef1c hi\u1ec7n k\u1ebft n\u1ed1i li\u00ean t\u1ee5c.<\/span><\/p>\n<h2><span style=\"font-weight: 400;\">Thi\u1ebft b\u1ecb BLE c\u00f3 nh\u1eefng lo\u1ea1i n\u00e0o?<\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Hi\u1ec7n nay nh\u1eefng thi\u1ebft b\u1ecb Bluetooth LE \u0111\u01b0\u1ee3c chia th\u00e0nh 2 lo\u1ea1i l\u00e0:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Bluetooth Smart: N\u00f3 ch\u1ec9 c\u00f3 t\u01b0\u01a1ng t\u00e1c v\u1edbi thi\u1ebft b\u1ecb Bluetooth Smart Ready ho\u1eb7c Bluetooth Smart.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Bluetooth Smart Ready: N\u00f3 c\u00f3 th\u1ec3 t\u01b0\u01a1ng t\u00e1c v\u1edbi nh\u1eefng thi\u1ebft b\u1ecb nh\u01b0 Bluetooth Smart Ready, Bluetooth Smart, Classic Bluetooth.<\/span><\/li>\n<\/ul>\n<p><picture><source srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2023\/11\/ble-5.jpg.webp 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2023\/11\/ble-5-300x169.jpg.webp 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2023\/11\/ble-5-768x432.jpg.webp 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" type=\"image\/webp\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-290610 aligncenter webpexpress-processed\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2023\/11\/ble-5.jpg\" alt=\"ble-5\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2023\/11\/ble-5.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2023\/11\/ble-5-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2023\/11\/ble-5-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\"><\/picture><\/p>\n<p><span style=\"font-weight: 400;\">Nh\u1eefng thi\u1ebft b\u1ecb nh\u01b0 smartphone, laptop, tablet th\u01b0\u1eddng ch\u1ec9 s\u1eed d\u1ee5ng lo\u1ea1i chip Bluetooth Smart Ready.<\/span><\/p>\n<h2><span style=\"font-weight: 400;\">BLE c\u00f3 th\u1ec3 \u1ee9ng d\u1ee5ng trong thi\u1ebft b\u1ecb n\u00e0o?<\/span><\/h2>\n<p><span style=\"font-weight: 400;\">C\u00f4ng ngh\u1ec7 Bluetooth LE xu\u1ea5t hi\u1ec7n v\u1edbi k\u1ef3 v\u1ecdng \u0111em l\u1ea1i nh\u1eefng l\u1ee3i \u00edch l\u1edbn cho ng\u01b0\u1eddi d\u00f9ng qua nh\u1eefng thi\u1ebft b\u1ecb IoT. V\u00ec v\u1eady m\u00e0 c\u00f4ng ngh\u1ec7 \u0111\u00e3 \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng trong \u0111a d\u1ea1ng l\u0129nh v\u1ef1c v\u1edbi nhi\u1ec1u thi\u1ebft b\u1ecb th\u00f4ng minh nh\u01b0:<\/span><\/p>\n<h3><span style=\"font-weight: 400;\">Ph\u1ee5 ki\u1ec7n d\u00f9ng \u0111\u1ec3 \u0111\u1ecbnh v\u1ecb, theo d\u00f5i<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Bluetooth Low Energy \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng \u0111\u1ec3 \u0111\u1ecbnh v\u1ecb \u0111\u1ed3 v\u1eadt m\u1ed9t c\u00e1ch ch\u00ednh x\u00e1c nh\u01b0 Samsung Smart Tag, Apple Airtag. \u0110\u00e2y l\u00e0 m\u1ed9t thi\u1ebft b\u1ecb c\u00f3 th\u1ec3 g\u1eafn v\u00e0o \u0111a d\u1ea1ng v\u1eadt d\u1ee5ng \u0111\u1ec3 ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 t\u00ecm th\u1ea5y \u0111\u1ed3 v\u1eadt khi c\u1ea7n thi\u1ebft.<\/span><\/p>\n<p><picture><source srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2023\/11\/ble-6.jpg.webp 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2023\/11\/ble-6-300x169.jpg.webp 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2023\/11\/ble-6-768x432.jpg.webp 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" type=\"image\/webp\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-290611 aligncenter webpexpress-processed\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2023\/11\/ble-6.jpg\" alt=\"ble-6\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2023\/11\/ble-6.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2023\/11\/ble-6-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2023\/11\/ble-6-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\"><\/picture><\/p>\n<h3><span style=\"font-weight: 400;\">Nh\u00e0 th\u00f4ng minh<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Bluetooth LE c\u00f2n \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng v\u00e0o Smart Home v\u1edbi vi\u1ec7c \u0111i\u1ec1u khi\u1ec3n nh\u1eefng \u0111\u1ed3 v\u1eadt trong nh\u00e0 b\u1eb1ng \u0111i\u1ec7n tho\u1ea1i th\u00f4ng minh. V\u00ed d\u1ee5 August Smart Lock c\u00f3 th\u1ec3 bi\u1ebfn Smartphone c\u1ee7a b\u1ea1n th\u00e0nh ch\u00eca kh\u00f3a \u0111i\u1ec7n t\u1eed nhanh ch\u00f3ng.<\/span><\/p>\n<p><picture><source srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2023\/11\/ble-7.jpg.webp 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2023\/11\/ble-7-300x169.jpg.webp 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2023\/11\/ble-7-768x432.jpg.webp 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" type=\"image\/webp\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-290612 aligncenter webpexpress-processed\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2023\/11\/ble-7.jpg\" alt=\"ble-7\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2023\/11\/ble-7.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2023\/11\/ble-7-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2023\/11\/ble-7-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\"><\/picture><\/p>\n<h3><span style=\"font-weight: 400;\">V\u00f2ng \u0111eo tay th\u00f4ng minh<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">C\u00f4ng ngh\u1ec7 n\u00e0y c\u00f2n \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng v\u00e0o v\u00f2ng \u0111eo tay th\u00f4ng minh \u0111\u1ec3 cung c\u1ea5p ch\u1ee9c n\u0103ng theo d\u00f5i, ghi nh\u1eadn d\u1eef li\u1ec7u v\u1ec1 nh\u1eefng ch\u1ebf \u0111\u1ed9 r\u00e8n luy\u1ec7n th\u1ec3 d\u1ee5c, th\u1ec3 thao c\u1ee7a m\u1ecdi ng\u01b0\u1eddi. \u0110\u1ed3ng th\u1eddi n\u00f3 c\u00f2n h\u1ed7 tr\u1ee3 \u0111\u1ed3ng b\u1ed9 t\u1ea5t c\u1ea3 d\u1eef li\u1ec7u v\u00e0o \u0111i\u1ec7n tho\u1ea1i th\u00f4ng minh.<\/span><\/p>\n<p><picture><source srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2023\/11\/ble-8.jpg.webp 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2023\/11\/ble-8-300x169.jpg.webp 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2023\/11\/ble-8-768x432.jpg.webp 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" type=\"image\/webp\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-290613 aligncenter webpexpress-processed\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2023\/11\/ble-8.jpg\" alt=\"ble-8\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2023\/11\/ble-8.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2023\/11\/ble-8-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2023\/11\/ble-8-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\"><\/picture><\/p>\n<h3><span style=\"font-weight: 400;\">Thi\u1ebft b\u1ecb CGMP<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Trong l\u0129nh v\u1ef1c s\u1ee9c kh\u1ecfe th\u00ec BLE c\u00f2n \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng v\u00e0o CGMP \u0111\u1ec3 gi\u00fap m\u1ecdi ng\u01b0\u1eddi d\u1ec5 d\u00e0ng theo d\u00f5i l\u01b0\u1ee3ng Glucose. T\u1eeb \u0111\u00f3 b\u1ea1n s\u1ebd bi\u1ebft c\u00e1ch \u0111i\u1ec1u ti\u1ebft ch\u1ebf \u0111\u1ed9 \u0103n u\u1ed1ng v\u00e0 r\u00e8n luy\u1ec7n h\u00e0ng ng\u00e0y c\u1ee7a m\u00ecnh.<\/span><\/p>\n<p><picture><source srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2023\/11\/ble-9.jpg.webp 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2023\/11\/ble-9-300x169.jpg.webp 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2023\/11\/ble-9-768x432.jpg.webp 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" type=\"image\/webp\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-290614 aligncenter webpexpress-processed\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2023\/11\/ble-9.jpg\" alt=\"ble-9\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2023\/11\/ble-9.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2023\/11\/ble-9-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2023\/11\/ble-9-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\"><\/picture><\/p>\n<h3><span style=\"font-weight: 400;\">Ti\u1ebfp th\u1ecb khu v\u1ef1c l\u00e2n c\u1eadn<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Beacon l\u00e0 m\u1ed9t l\u0129nh v\u1ef1c m\u00e0 c\u00f4ng ngh\u1ec7 Bluetooth LE \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng. \u0110\u00e2y l\u00e0 c\u00f4ng ngh\u1ec7 x\u00e1c \u0111\u1ecbnh v\u1ecb tr\u00ed v\u00e0 ti\u1ebfp th\u1ecb trong khu v\u1ef1c g\u1ea7n. N\u00f3 c\u00f3 th\u1ec3 x\u00e1c \u0111\u1ecbnh v\u00e0 g\u1eedi nh\u1eefng d\u1eef li\u1ec7u v\u1ec1 s\u1ea3n ph\u1ea9m ho\u1eb7c khuy\u1ebfn m\u00e3i t\u1edbi nh\u1eefng kh\u00e1ch h\u00e0ng \u0111ang \u1edf trong v\u00f9ng l\u00e2n c\u1eadn c\u1eeda h\u00e0ng qua \u0111i\u1ec7n tho\u1ea1i th\u00f4ng minh.<\/span><\/p>\n<p><picture><source srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2023\/11\/ble-10.jpg.webp 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2023\/11\/ble-10-300x169.jpg.webp 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2023\/11\/ble-10-768x432.jpg.webp 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" type=\"image\/webp\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-290615 aligncenter webpexpress-processed\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2023\/11\/ble-10.jpg\" alt=\"ble-10\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2023\/11\/ble-10.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2023\/11\/ble-10-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2023\/11\/ble-10-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\"><\/picture><\/p>\n<h3><span style=\"font-weight: 400;\">Qu\u1ea3n l\u00fd t\u00e0i s\u1ea3n<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Bluetooth Low Energy c\u0169ng \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng \u0111\u1ec3 theo d\u00f5i nh\u1eefng h\u1ea1ng m\u1ee5c v\u1ec1 v\u1eadt l\u00fd. V\u00ec v\u1eady m\u00e0 n\u00f3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng nhi\u1ec1u trong l\u0129nh v\u1ef1c qu\u1ea3n l\u00fd t\u00e0i s\u1ea3n. T\u1eebng m\u1ee5c c\u1ea7n ph\u1ea3i theo d\u00f5i s\u1ebd \u0111\u01b0\u1ee3c c\u1ea5p 1 th\u1ebb Bluetooth LE. Ti\u1ebfp \u0111\u00f3 th\u00ec nh\u1eefng bi\u1ec3u t\u01b0\u1ee3ng s\u1ebd x\u00e2y d\u1ef1ng kh\u1eafp c\u00e1c c\u01a1 s\u1edf \u0111\u1ec3 ti\u1ebfp nh\u1eadn m\u00e3 ID c\u1ee7a t\u1eebng th\u1ebb.\u00a0<\/span><\/p>\n<p><picture><source srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2023\/11\/ble-11.jpg.webp 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2023\/11\/ble-11-300x169.jpg.webp 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2023\/11\/ble-11-768x432.jpg.webp 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" type=\"image\/webp\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-290616 aligncenter webpexpress-processed\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2023\/11\/ble-11.jpg\" alt=\"ble-11\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2023\/11\/ble-11.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2023\/11\/ble-11-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2023\/11\/ble-11-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\"><\/picture><\/p>\n<h3><span style=\"font-weight: 400;\">Theo d\u00f5i li\u00ean h\u1ec7<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">\u0110\u1ec3 gi\u1eef an to\u00e0n cho nh\u00e2n vi\u00ean trong doanh nghi\u1ec7p th\u00ec h\u1ecd \u0111ang c\u00e2n nh\u1eafc nh\u1eefng gi\u1ea3i ph\u00e1p d\u1ef1a v\u00e0o Bluetooth Low Energy \u0111\u1ec3 theo d\u00f5i nh\u00e2n vi\u00ean m\u00e0 kh\u00f4ng c\u1ea7n ph\u1ea3i \u1ee7y quy\u1ec1n.\u00a0<\/span><\/p>\n<p><picture><source srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2023\/11\/ble-12.jpg.webp 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2023\/11\/ble-12-300x169.jpg.webp 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2023\/11\/ble-12-768x432.jpg.webp 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" type=\"image\/webp\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-290617 aligncenter webpexpress-processed\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2023\/11\/ble-12.jpg\" alt=\"ble-12\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2023\/11\/ble-12.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2023\/11\/ble-12-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2023\/11\/ble-12-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\"><\/picture><\/p>\n<p><span style=\"font-weight: 400;\">C\u00f3 ngh\u0129a l\u00e0 nh\u1eefng ai \u0111\u1ebfn v\u0103n ph\u00f2ng \u0111\u1ec1u s\u1ebd \u0111\u01b0\u1ee3c ph\u00e1t m\u1ed9t th\u1ebb BLE v\u00e0 ch\u1ec9 c\u1ea7n ho\u1ea1t \u0111\u1ed9ng 1 l\u1ea7n \u0111\u1ec3 t\u1ed5ng h\u1ee3p nh\u1eefng th\u00f4ng tin v\u1ec1 ng\u01b0\u1eddi h\u1ecd ti\u1ebfp x\u00fac, n\u01a1i h\u1ecd \u0111i. Nh\u01b0ng \u0111i\u1ec3m \u0111\u1eb7c bi\u1ec7t l\u00e0 n\u00f3 kh\u00f4ng l\u1ea5y c\u00e1c th\u00f4ng tin nh\u1ea1y c\u1ea3m \u0111\u1ec3 b\u1ecb coi l\u00e0 x\u00e2m ph\u1ea1m \u0111\u1eddi s\u1ed1ng ri\u00eang t\u01b0. Ch\u1eb3ng h\u1ea1n n\u1ebfu c\u00f3 nh\u00e2n vi\u00ean n\u00e0o \u0111\u00f3 trong c\u00f4ng ty b\u1ecb \u1ed1m th\u00ec ch\u00fang ta c\u00f3 th\u1ec3 x\u00e1c \u0111\u1ecbnh d\u1ec5 d\u00e0ng ai l\u00e0 ng\u01b0\u1eddi ti\u1ebfp x\u00fac v\u00e0 c\u00f3 trong khu v\u1ef1c nhi\u1ec5m b\u1ec7nh.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Hi\u1ec7n nay h\u1ec7 th\u1ed1ng trung t\u00e2m c\u1ee7a Bluetooth LE l\u00e0 m\u00e1y t\u00ednh b\u1ea3ng, \u0111i\u1ec7n tho\u1ea1i th\u00f4ng minh, m\u00e1y t\u00ednh x\u00e1ch tay h\u1ed7 tr\u1ee3 nh\u1eefng h\u1ec7 \u0111i\u1ec1u h\u00e0nh ph\u1ed5 bi\u1ebfn nh\u01b0 Android, iOS, macOS, Windows Phone, Linux, Windows 10, Windows 8\u2026<\/span><\/p>\n<h2><span style=\"font-weight: 400;\">Bluetooth Low Energy c\u00f3 t\u00ednh b\u1ea3o m\u1eadt cao kh\u00f4ng?<\/span><\/h2>\n<p><span style=\"font-weight: 400;\">H\u1ea7u h\u1ebft m\u1ecdi k\u1ebft n\u1ed1i Bluetooth LE \u0111\u1ec1u \u0111\u01b0\u1ee3c m\u00e3 h\u00f3a theo d\u1ea1ng End-to-end AES-128. Vi\u1ec7c n\u00e0y s\u1ebd ng\u0103n ch\u1eb7n d\u1eef li\u1ec7u b\u1ecb \u0111\u1ecdc tr\u1ed9m n\u1ebfu nh\u01b0 n\u00f3 b\u1ecb ch\u1eb7n. Tuy nh\u1eefng cu\u1ed9c t\u1ea5n c\u00f4ng ho\u00e0n to\u00e0n c\u00f3 kh\u1ea3 n\u0103ng x\u1ea3y ra nh\u1eefng tr\u01b0\u1eddng h\u1ee3p n\u00e0y ch\u1ec9 c\u00f3 th\u1ec3 di\u1ec5n ra trong th\u1eddi gian ng\u1eafn khi 2 thi\u1ebft b\u1ecb Bluetooth Low Energy \u0111ang th\u1ef1c hi\u1ec7n k\u1ebft n\u1ed1i v\u1edbi nhau.<\/span><\/p>\n<p><picture><source srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2023\/11\/ble-13.jpg.webp 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2023\/11\/ble-13-300x169.jpg.webp 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2023\/11\/ble-13-768x432.jpg.webp 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" type=\"image\/webp\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-290618 aligncenter webpexpress-processed\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2023\/11\/ble-13.jpg\" alt=\"ble-13\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2023\/11\/ble-13.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2023\/11\/ble-13-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2023\/11\/ble-13-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\"><\/picture><\/p>\n<p><span style=\"font-weight: 400;\">Ph\u1ea1m vi gi\u1edbi h\u1ea1n c\u1ee7a Bluetooth LE c\u0169ng \u0111\u01b0\u1ee3c l\u1ee3i t\u1eeb t\u00ednh b\u1ea3o m\u1eadt n\u00e0y. D\u00f9 c\u00f3 ai n\u1ed7 l\u1ef1c t\u1ea5n c\u00f4ng v\u00e0o c\u00e1c thi\u1ebft b\u1ecb Bluetooth Low Energy th\u00ec \u0111\u1ec1u kh\u00f3 c\u00f3 th\u1ec3 x\u00e2m nh\u1eadp v\u00e0o v\u00e0 \u0111\u00e1nh c\u1eafp th\u00f4ng tin.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Th\u00f4ng tin tr\u00ean \u0111\u00e3 cung c\u1ea5p kh\u00e1 nhi\u1ec1u v\u1ec1 c\u00f4ng ngh\u1ec7 BLE \u0111ang thu h\u00fat nhi\u1ec1u s\u1ef1 quan t\u00e2m hi\u1ec7n nay. \u0110\u00e2y l\u00e0 c\u00f4ng ngh\u1ec7 \u0111em l\u1ea1i nhi\u1ec1u l\u1ee3i \u00edch cho ng\u01b0\u1eddi d\u00f9ng trong \u0111a d\u1ea1ng l\u0129nh v\u1ef1c c\u1ee7a cu\u1ed9c s\u1ed1ng. M\u1ecdi ng\u01b0\u1eddi n\u00ean t\u00ecm hi\u1ec3u k\u1ef9 c\u00f4ng ngh\u1ec7 n\u00e0y \u0111\u1ec3 b\u1eaft k\u1ecbp xu h\u01b0\u1edbng s\u1ed1ng hi\u1ec7n \u0111\u1ea1i ng\u00e0y nay.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Tham kh\u1ea3o b\u00e0i vi\u1ebft li\u00ean quan:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\"><strong><a href=\"https:\/\/hoanghamobile.com\/tin-tuc\/bluetooth-5-0\/\">Bluetooth 5.0 l\u00e0 g\u00ec? C\u00f3 \u0111\u1eb7c \u0111i\u1ec3m g\u00ec n\u1ed5i b\u1eadt? \u0110em l\u1ea1i l\u1ee3i \u00edch g\u00ec?<\/a><\/strong><\/li>\n<li style=\"font-weight: 400;\"><strong><a href=\"https:\/\/hoanghamobile.com\/tin-tuc\/bluetooth-driver\/\">H\u01b0\u1edbng d\u1eabn c\u00e1ch c\u00e0i \u0111\u1eb7t Bluetooth Driver cho laptop nhanh ch\u00f3ng<\/a><\/strong><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>BLE hay Bluetooth Low Energy l\u00e0 m\u1ed9t c\u00f4ng ngh\u1ec7 ti\u00ean ti\u1ebfn gi\u00fap nh\u1eefng thi\u1ebft b\u1ecb c\u00f3 th\u1ec3 giao ti\u1ebfp v\u1edbi nhau m\u00e0 kh\u00f4ng c\u1ea7n d\u00e2y c\u00e1p. C\u00f4ng ngh\u1ec7 n\u00e0y \u0111\u00e3 t\u1ea1o ra nhi\u1ec1u \u0111i\u1ec3m ti\u1ec7n l\u1ee3i cho ng\u01b0\u1eddi d\u00f9ng trong h\u1ecdc t\u1eadp v\u00e0 c\u00f4ng vi\u1ec7c. B\u00e0i vi\u1ebft sau s\u1ebd chia s\u1ebb chi ti\u1ebft h\u01a1n v\u1ec1 [&hellip;]<\/p>\n","protected":false},"author":102,"featured_media":290605,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[29235,3910],"tags":[],"class_list":["post-290602","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-goc-to-mo","category-kham-pha"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v24.2 (Yoast SEO v24.2) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Bluetooth Low Energy (BLE) l\u00e0 g\u00ec? Nh\u1eefng \u0111i\u1ec1u c\u1ea7n bi\u1ebft v\u1ec1 BLE<\/title>\n<meta name=\"description\" content=\"Nhi\u1ec1u ng\u01b0\u1eddi hi\u1ec7n \u0111ang quan t\u00e2m v\u1ec1 c\u00f4ng ngh\u1ec7 BLE v\u00e0 ch\u01b0a hi\u1ec3u v\u1ec1 nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u1ee7a n\u00f3. 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