{"id":89372,"date":"2026-08-02T22:40:47","date_gmt":"2026-08-02T14:40:47","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/89372.html"},"modified":"2026-08-02T22:40:47","modified_gmt":"2026-08-02T14:40:47","slug":"%e7%bb%8f%e5%85%b8%e8%93%9d%e7%89%99%ef%bc%88classic-bluetooth-br-edr%ef%bc%89-%e5%9f%ba%e7%a1%80%e8%ae%a4%e7%9f%a51-%e8%93%9d%e7%89%99%e6%8a%80%e6%9c%af%e6%a6%82%e8%a7%88","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/89372.html","title":{"rendered":"\u7ecf\u5178\u84dd\u7259\uff08Classic Bluetooth \/ BR\/EDR\uff09--- \u57fa\u7840\u8ba4\u77e51 --- \u84dd\u7259\u6280\u672f\u6982\u89c8"},"content":{"rendered":"<\/p>\n<h4>\u6587\u7ae0\u76ee\u5f55<\/h4>\n<ul>\n<li>\u7ecf\u5178\u84dd\u7259&#xff08;Classic Bluetooth \/ BR\/EDR&#xff09;\u6280\u672f\u8be6\u89e3<\/li>\n<li>\n<ul>\n<li>1\u3001\u84dd\u7259\u6280\u672f\u6982\u89c8<\/li>\n<li>\n<ul>\n<li>1.1\u3001\u84dd\u7259\u6280\u672f\u8054\u76df&#xff08;Bluetooth SIG&#xff09;\u7ec4\u7ec7\u67b6\u6784\u4e0e\u89c4\u8303\u4f53\u7cfb<\/li>\n<li>\n<ul>\n<li>\u7ec4\u7ec7\u67b6\u6784<\/li>\n<li>\u89c4\u8303\u4f53\u7cfb<\/li>\n<\/ul>\n<\/li>\n<li>1.2\u3001BR\/EDR vs BLE \u7684\u6838\u5fc3\u533a\u522b<\/li>\n<li>\n<ul>\n<li>\u529f\u8017\u6a21\u578b\u5dee\u5f02<\/li>\n<li>\u534f\u8bae\u6808\u5dee\u5f02<\/li>\n<\/ul>\n<\/li>\n<li>1.3\u3001\u7ecf\u5178\u84dd\u7259\u7684\u7248\u672c\u6f14\u8fdb<\/li>\n<li>\n<ul>\n<li>\u5173\u952e\u7248\u672c\u6df1\u5ea6\u89e3\u6790<\/li>\n<\/ul>\n<\/li>\n<li>1.4\u30012.4GHz ISM\u9891\u6bb5\u300179\u4e2a\u4fe1\u9053\u3001\u8df3\u9891\u6269\u9891&#xff08;FHSS&#xff09;\u539f\u7406<\/li>\n<li>\n<ul>\n<li>\u9891\u6bb5\u4e0e\u4fe1\u9053\u89c4\u5212<\/li>\n<li>\u8df3\u9891\u6269\u9891&#xff08;FHSS, Frequency-Hopping Spread Spectrum&#xff09;<\/li>\n<li>FHSS \u7684\u4f18\u52bf<\/li>\n<\/ul>\n<\/li>\n<li>1.5\u3001\u5fae\u5fae\u7f51&#xff08;Piconet&#xff09;\u4e0e\u6563\u5c04\u7f51&#xff08;Scatternet&#xff09;\u62d3\u6251\u7ed3\u6784<\/li>\n<li>\n<ul>\n<li>\u5fae\u5fae\u7f51&#xff08;Piconet&#xff09;<\/li>\n<li>\u6563\u5c04\u7f51&#xff08;Scatternet&#xff09;<\/li>\n<li>\u62d3\u6251\u5bf9\u6bd4\u603b\u7ed3<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h2>\u7ecf\u5178\u84dd\u7259&#xff08;Classic Bluetooth \/ BR\/EDR&#xff09;\u6280\u672f\u8be6\u89e3<\/h2>\n<hr \/>\n<h3>1\u3001\u84dd\u7259\u6280\u672f\u6982\u89c8<\/h3>\n<p>\u84dd\u7259&#xff08;Bluetooth&#xff09;\u662f\u4e00\u79cd\u77ed\u8ddd\u79bb\u65e0\u7ebf\u901a\u4fe1\u6280\u672f&#xff0c;\u5de5\u4f5c\u5728 2.4 GHz ISM&#xff08;\u5de5\u4e1a\u3001\u79d1\u5b66\u3001\u533b\u7597&#xff09;\u9891\u6bb5&#xff0c;\u6700\u521d\u7531\u7231\u7acb\u4fe1\u516c\u53f8\u4e8e1994\u5e74\u63d0\u51fa&#xff0c;\u65e8\u5728\u66ff\u4ee3\u8bbe\u5907\u95f4\u7684\u6709\u7ebf\u8fde\u63a5\u3002\u5176\u540d\u79f0\u6e90\u4e8e10\u4e16\u7eaa\u4e39\u9ea6\u56fd\u738b \u54c8\u62c9\u5c14\u00b7\u84dd\u7259&#xff08;Harald Bluetooth&#xff09;&#xff0c;\u8c61\u5f81\u7740\u7edf\u4e00\u4e0e\u8fde\u63a5\u3002<\/p>\n<p>\u7ecf\u5178\u84dd\u7259&#xff08;Classic Bluetooth&#xff09;&#xff0c;\u5728\u84dd\u7259\u89c4\u8303\u4e2d\u79f0\u4e3a BR\/EDR&#xff08;Basic Rate \/ Enhanced Data Rate&#xff09;&#xff0c;\u662f\u84dd\u7259\u6280\u672f\u7684\u4f20\u7edf\u5206\u652f&#xff0c;\u4e13\u6ce8\u4e8e\u6301\u7eed\u6570\u636e\u6d41\u3001\u9ad8\u541e\u5410\u91cf\u548c\u7a33\u5b9a\u8fde\u63a5&#xff0c;\u5e7f\u6cdb\u5e94\u7528\u4e8e\u97f3\u9891\u4f20\u8f93\u3001\u6587\u4ef6\u4f20\u8f93\u3001\u65e0\u7ebf\u5916\u8bbe\u7b49\u573a\u666f\u3002<\/p>\n<hr \/>\n<h4>1.1\u3001\u84dd\u7259\u6280\u672f\u8054\u76df&#xff08;Bluetooth SIG&#xff09;\u7ec4\u7ec7\u67b6\u6784\u4e0e\u89c4\u8303\u4f53\u7cfb<\/h4>\n<h5>\u7ec4\u7ec7\u67b6\u6784<\/h5>\n<p>\u84dd\u7259\u6280\u672f\u8054\u76df&#xff08;Bluetooth Special Interest Group, Bluetooth SIG&#xff09; \u6210\u7acb\u4e8e1998\u5e74&#xff0c;\u662f\u8d1f\u8d23\u84dd\u7259\u6280\u672f\u6807\u51c6\u5236\u5b9a\u3001\u8ba4\u8bc1\u548c\u63a8\u5e7f\u7684\u56fd\u9645\u5316\u975e\u8425\u5229\u7ec4\u7ec7\u3002<\/p>\n<table>\n<tr>\u5c42\u7ea7\u804c\u80fd<\/tr>\n<tbody>\n<tr>\n<td>\u8463\u4e8b\u4f1a&#xff08;Board of Directors&#xff09;<\/td>\n<td>\u6700\u9ad8\u51b3\u7b56\u673a\u6784&#xff0c;\u7531\u6838\u5fc3\u6210\u5458\u516c\u53f8\u4ee3\u8868\u7ec4\u6210<\/td>\n<\/tr>\n<tr>\n<td>\u5de5\u4f5c\u7ec4&#xff08;Working Groups&#xff09;<\/td>\n<td>\u8d1f\u8d23\u5177\u4f53\u6280\u672f\u89c4\u8303\u7684\u5236\u5b9a\u4e0e\u7ef4\u62a4<\/td>\n<\/tr>\n<tr>\n<td>\u4e13\u5bb6\u5c0f\u7ec4&#xff08;Expert Groups&#xff09;<\/td>\n<td>\u9488\u5bf9\u7279\u5b9a\u6280\u672f\u9886\u57df&#xff08;\u5982\u5b89\u5168\u3001\u6d4b\u8bd5\u3001\u5e94\u7528\u5c42&#xff09;\u6df1\u5165\u7814\u7a76<\/td>\n<\/tr>\n<tr>\n<td>\u8ba4\u8bc1\u673a\u6784&#xff08;BQTF\/BQRF&#xff09;<\/td>\n<td>\u8d1f\u8d23\u84dd\u7259\u4ea7\u54c1\u7684\u5408\u89c4\u6027\u6d4b\u8bd5\u4e0e\u8ba4\u8bc1<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u4f1a\u5458\u7b49\u7ea7&#xff1a;<\/p>\n<ul>\n<li>\u521b\u59cb\u6210\u5458&#xff08;Founder Members&#xff09;&#xff1a;\u7231\u7acb\u4fe1\u3001IBM\u3001\u82f1\u7279\u5c14\u3001\u8bfa\u57fa\u4e9a\u3001\u4e1c\u829d&#xff08;\u539f\u59cb\u53d1\u8d77\u8005&#xff09;<\/li>\n<li>\u6838\u5fc3\u6210\u5458&#xff08;Promoter Members&#xff09;&#xff1a;\u62e5\u6709\u8463\u4e8b\u4f1a\u5e2d\u4f4d&#xff0c;\u4e3b\u5bfc\u6280\u672f\u65b9\u5411<\/li>\n<li>\u51c6\u6210\u5458&#xff08;Associate Members&#xff09;&#xff1a;\u53ef\u53c2\u4e0e\u5de5\u4f5c\u7ec4&#xff0c;\u65e0\u6295\u7968\u6743<\/li>\n<li>\u5e94\u7528\u6210\u5458&#xff08;Adopter Members&#xff09;&#xff1a;\u53ef\u4f7f\u7528\u84dd\u7259\u5546\u6807&#xff0c;\u9700\u901a\u8fc7\u8ba4\u8bc1<\/li>\n<\/ul>\n<h5>\u89c4\u8303\u4f53\u7cfb<\/h5>\n<p>\u84dd\u7259\u89c4\u8303\u6587\u6863\u4f53\u7cfb\u5e9e\u5927&#xff0c;\u6838\u5fc3\u67b6\u6784\u5982\u4e0b&#xff1a;<\/p>\n<p>\u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510<br \/>\n\u2502         \u5e94\u7528\u5c42\u89c4\u8303&#xff08;Profile&#xff09;            \u2502<br \/>\n\u2502  A2DP \/ HFP \/ HSP \/ AVRCP \/ PBAP &#8230;  \u2502<br \/>\n\u251c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2524<br \/>\n\u2502         \u6838\u5fc3\u89c4\u8303&#xff08;Core Specification&#xff09;    \u2502<br \/>\n\u2502  \u7269\u7406\u5c42 \u2192 \u94fe\u8def\u5c42 \u2192 L2CAP \u2192 \u4e2d\u95f4\u5c42\u534f\u8bae    \u2502<br \/>\n\u251c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2524<br \/>\n\u2502         \u6d4b\u8bd5\u89c4\u8303&#xff08;Test Specification&#xff09;    \u2502<br \/>\n\u2502  RF\u6d4b\u8bd5 \/ \u534f\u8bae\u4e00\u81f4\u6027\u6d4b\u8bd5 \/ \u4e92\u64cd\u4f5c\u6027\u6d4b\u8bd5   \u2502<br \/>\n\u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518<\/p>\n<ul>\n<li>\u6838\u5fc3\u89c4\u8303&#xff08;Core Specification&#xff09;&#xff1a;\u5b9a\u4e49\u84dd\u7259\u534f\u8bae\u6808\u7684\u5404\u5c42\u534f\u8bae&#xff0c;\u5305\u62ec\u5c04\u9891\u3001\u57fa\u5e26\u3001\u94fe\u8def\u7ba1\u7406\u3001L2CAP\u3001SDP\u7b49<\/li>\n<li>\u5e94\u7528\u89c4\u8303&#xff08;Profile&#xff09;&#xff1a;\u5b9a\u4e49\u7279\u5b9a\u5e94\u7528\u573a\u666f\u4e0b\u7684\u8bbe\u5907\u884c\u4e3a\u548c\u6570\u636e\u683c\u5f0f&#xff0c;\u786e\u4fdd\u4e0d\u540c\u5382\u5546\u8bbe\u5907\u7684\u4e92\u64cd\u4f5c\u6027<\/li>\n<li>\u6d4b\u8bd5\u89c4\u8303&#xff1a;\u786e\u4fdd\u4ea7\u54c1\u7b26\u5408\u84dd\u7259\u6807\u51c6&#xff0c;\u901a\u8fc7\u8ba4\u8bc1\u540e\u65b9\u53ef\u4f7f\u7528\u84dd\u7259\u5546\u6807<\/li>\n<\/ul>\n<hr \/>\n<h4>1.2\u3001BR\/EDR vs BLE \u7684\u6838\u5fc3\u533a\u522b<\/h4>\n<p>\u84dd\u7259\u6280\u672f\u81eav4.0\u8d77\u5206\u5316\u4e3a\u4e24\u5927\u5206\u652f&#xff1a;\u7ecf\u5178\u84dd\u7259&#xff08;BR\/EDR&#xff09; \u548c \u4f4e\u529f\u8017\u84dd\u7259&#xff08;BLE \/ Bluetooth Low Energy&#xff09;\u3002\u4e8c\u8005\u5728\u8bbe\u8ba1\u54f2\u5b66\u4e0a\u622a\u7136\u4e0d\u540c\u3002<\/p>\n<table>\n<tr>\u5bf9\u6bd4\u7ef4\u5ea6\u7ecf\u5178\u84dd\u7259&#xff08;BR\/EDR&#xff09;\u4f4e\u529f\u8017\u84dd\u7259&#xff08;BLE&#xff09;<\/tr>\n<tbody>\n<tr>\n<td>\u8bbe\u8ba1\u76ee\u6807<\/td>\n<td>\u6301\u7eed\u6570\u636e\u6d41\u4f20\u8f93&#xff08;\u97f3\u9891\u3001\u6587\u4ef6&#xff09;<\/td>\n<td>\u95f4\u6b47\u6027\u5c0f\u6570\u636e\u5305\u4f20\u8f93&#xff08;\u4f20\u611f\u5668\u3001\u4fe1\u6807&#xff09;<\/td>\n<\/tr>\n<tr>\n<td>\u5178\u578b\u5e94\u7528<\/td>\n<td>\u84dd\u7259\u8033\u673a\u3001\u97f3\u7bb1\u3001\u8f66\u8f7d\u514d\u63d0\u3001\u952e\u76d8\u9f20\u6807<\/td>\n<td>\u667a\u80fd\u624b\u73af\u3001\u6e29\u6e7f\u5ea6\u4f20\u611f\u5668\u3001\u5b9a\u4f4d\u4fe1\u6807\u3001\u667a\u80fd\u5bb6\u5c45<\/td>\n<\/tr>\n<tr>\n<td>\u5cf0\u503c\u901f\u7387<\/td>\n<td>BR: 1 Mbps \/ EDR: 2\u20133 Mbps<\/td>\n<td>1 Mbps&#xff08;v4.x&#xff09;\/ 2 Mbps&#xff08;v5.x&#xff09;<\/td>\n<\/tr>\n<tr>\n<td>\u529f\u8017\u6a21\u578b<\/td>\n<td>\u6301\u7eed\u5de5\u4f5c&#xff0c;\u529f\u8017\u8f83\u9ad8&#xff08;\u6570\u5341\u81f3\u6570\u767emW&#xff09;<\/td>\n<td>\u5feb\u901f\u4f11\u7720\/\u5524\u9192&#xff0c;\u5e73\u5747\u529f\u8017\u6781\u4f4e&#xff08;\u03bcW\u7ea7&#xff09;<\/td>\n<\/tr>\n<tr>\n<td>\u8fde\u63a5\u5efa\u7acb\u65f6\u95f4<\/td>\n<td>~100 ms<\/td>\n<td>~6 ms<\/td>\n<\/tr>\n<tr>\n<td>\u62d3\u6251\u7ed3\u6784<\/td>\n<td>\u5fae\u5fae\u7f51&#xff08;Piconet&#xff09;&#xff0c;\u6700\u591a7\u4e2a\u6d3b\u8dc3\u4ece\u8bbe\u5907<\/td>\n<td>\u661f\u578b\u62d3\u6251&#xff0c;\u652f\u6301\u5e7f\u64ad\u548c\u7f51\u72b6\u7f51\u7edc&#xff08;Mesh&#xff09;<\/td>\n<\/tr>\n<tr>\n<td>\u534f\u8bae\u6808\u590d\u6742\u5ea6<\/td>\n<td>\u5b8c\u6574\u534f\u8bae\u6808&#xff0c;\u652f\u6301\u591a\u79cdProfile<\/td>\n<td>\u7cbe\u7b80\u534f\u8bae\u6808&#xff0c;GATT\u4e3a\u6838\u5fc3<\/td>\n<\/tr>\n<tr>\n<td>\u5171\u5b58\u65b9\u5f0f<\/td>\n<td>\u72ec\u7acb\u5c04\u9891&#xff0c;\u6216\u4e0eBLE\u5171\u4eab&#xff08;\u53cc\u6a21\u82af\u7247&#xff09;<\/td>\n<td>\u72ec\u7acb\u5c04\u9891&#xff0c;\u6216\u4e0eBR\/EDR\u5171\u4eab&#xff08;\u53cc\u6a21\u82af\u7247&#xff09;<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h5>\u529f\u8017\u6a21\u578b\u5dee\u5f02<\/h5>\n<p>BR\/EDR \u529f\u8017\u7279\u5f81&#xff1a;<\/p>\n<ul>\n<li>\u91c7\u7528\u8fde\u7eed\u8fde\u63a5\u6a21\u5f0f&#xff0c;\u8bbe\u5907\u4e00\u65e6\u5efa\u7acb\u94fe\u8def\u5373\u4fdd\u6301\u6d3b\u8dc3\u72b6\u6001<\/li>\n<li>\u5373\u4f7f\u6ca1\u6709\u6570\u636e\u4f20\u8f93&#xff0c;\u4e5f\u9700\u8981\u5b9a\u671f\u76d1\u542c\u4fe1\u9053\u4ee5\u7ef4\u6301\u540c\u6b65<\/li>\n<li>\u5178\u578b\u529f\u8017&#xff1a;\u5f85\u673a\u7ea61\u201310 mW&#xff0c;\u4f20\u8f93\u65f650\u2013100 mW<\/li>\n<li>\u9002\u5408**\u201c\u59cb\u7ec8\u5728\u7ebf\u201d**\u7684\u573a\u666f&#xff0c;\u5982\u97f3\u9891\u6d41<\/li>\n<\/ul>\n<p>BLE \u529f\u8017\u7279\u5f81&#xff1a;<\/p>\n<ul>\n<li>\u91c7\u7528\u4e8b\u4ef6\u9a71\u52a8\u6a21\u5f0f&#xff0c;\u8bbe\u5907\u5927\u90e8\u5206\u65f6\u95f4\u5904\u4e8e\u6df1\u5ea6\u7761\u7720<\/li>\n<li>\u4ec5\u5728\u9884\u5b9a\u4e49\u7684\u8fde\u63a5\u4e8b\u4ef6&#xff08;Connection Event&#xff09;\u4e2d\u77ed\u6682\u5524\u9192\u6536\u53d1\u6570\u636e<\/li>\n<li>\u5178\u578b\u529f\u8017&#xff1a;\u5f85\u673a\u7ea61\u20135 \u03bcW&#xff0c;\u4f20\u8f93\u65f610\u201315 mW<\/li>\n<li>\u9002\u5408**\u201c\u5076\u5c14\u901a\u4fe1\u201d**\u7684\u573a\u666f&#xff0c;\u5982\u4f20\u611f\u5668\u4e0a\u62a5<\/li>\n<\/ul>\n<h5>\u534f\u8bae\u6808\u5dee\u5f02<\/h5>\n<p>\u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510<br \/>\n\u2502                    BR\/EDR \u534f\u8bae\u6808                              \u2502<br \/>\n\u251c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2524<br \/>\n\u2502   L2CAP     \u2502    SDP      \u2502    RFCOMM   \u2502   AVDTP \/ AVCTP   \u2502<br \/>\n\u251c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2534\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2534\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2534\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2524<br \/>\n\u2502                        HCI&#xff08;\u4e3b\u673a\u63a7\u5236\u5668\u63a5\u53e3&#xff09;                   \u2502<br \/>\n\u251c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2524<br \/>\n\u2502   \u94fe\u8def\u7ba1\u7406\u5668&#xff08;LM&#xff09; \u2502  \u57fa\u5e26&#xff08;Baseband&#xff09;  \u2502   \u5c04\u9891&#xff08;RF&#xff09;        \u2502<br \/>\n\u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518<\/p>\n<p>\u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510<br \/>\n\u2502                    BLE \u534f\u8bae\u6808                                 \u2502<br \/>\n\u251c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2524<br \/>\n\u2502    GAP      \u2502    GATT     \u2502         ATT&#xff08;\u5c5e\u6027\u534f\u8bae&#xff09;           \u2502<br \/>\n\u251c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2534\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2534\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2524<br \/>\n\u2502                        L2CAP                                 \u2502<br \/>\n\u251c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2524<br \/>\n\u2502                        HCI                                   \u2502<br \/>\n\u251c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2524<br \/>\n\u2502   \u94fe\u8def\u5c42&#xff08;LL&#xff09; \u2502   \u57fa\u5e26&#xff08;Baseband&#xff09;  \u2502   \u5c04\u9891&#xff08;RF&#xff09;           \u2502<br \/>\n\u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518<\/p>\n<p>\u5173\u952e\u533a\u522b&#xff1a;<\/p>\n<ul>\n<li>BR\/EDR \u4f7f\u7528 SDP&#xff08;\u670d\u52a1\u53d1\u73b0\u534f\u8bae&#xff09; \u548c RFCOMM&#xff08;\u4e32\u53e3\u4eff\u771f\u534f\u8bae&#xff09;&#xff0c;\u534f\u8bae\u6808\u539a\u91cd<\/li>\n<li>BLE \u4f7f\u7528 GATT&#xff08;\u901a\u7528\u5c5e\u6027\u89c4\u8303&#xff09; \u548c ATT&#xff08;\u5c5e\u6027\u534f\u8bae&#xff09;&#xff0c;\u534f\u8bae\u6808\u7cbe\u7b80\u9ad8\u6548<\/li>\n<li>BR\/EDR \u7684 L2CAP \u652f\u6301\u591a\u8def\u590d\u7528\u548c\u5206\u6bb5\u91cd\u7ec4&#xff1b;BLE \u7684 L2CAP \u529f\u80fd\u7b80\u5316<\/li>\n<\/ul>\n<hr \/>\n<h4>1.3\u3001\u7ecf\u5178\u84dd\u7259\u7684\u7248\u672c\u6f14\u8fdb<\/h4>\n<table>\n<tr>\u7248\u672c\u53d1\u5e03\u65f6\u95f4\u6838\u5fc3\u6280\u672f\u6539\u8fdb\u7ecf\u5178\u84dd\u7259\u76f8\u5173\u7279\u6027<\/tr>\n<tbody>\n<tr>\n<td>v1.0<\/td>\n<td>1999\u5e74<\/td>\n<td>\u521d\u59cb\u7248\u672c<\/td>\n<td>BR 1 Mbps&#xff0c;79\u4fe1\u9053FHSS&#xff0c;\u57fa\u7840SCO\/eSCO\u8bed\u97f3\u94fe\u8def<\/td>\n<\/tr>\n<tr>\n<td>v1.1<\/td>\n<td>2001\u5e74<\/td>\n<td>\u4e92\u64cd\u4f5c\u6027\u4fee\u590d<\/td>\n<td>\u4fee\u6b63v1.0\u7f3a\u9677&#xff0c;\u52a0\u5165\u968f\u673a\u5730\u5740&#xff0c;\u63d0\u5347\u517c\u5bb9\u6027<\/td>\n<\/tr>\n<tr>\n<td>v1.2<\/td>\n<td>2003\u5e74<\/td>\n<td>\u81ea\u9002\u5e94\u8df3\u9891&#xff08;AFH&#xff09;<\/td>\n<td>\u5f15\u5165AFH&#xff0c;\u907f\u5f00Wi-Fi\u7b49\u5e72\u6270&#xff0c;\u63d0\u5347\u6297\u5e72\u6270\u80fd\u529b<\/td>\n<\/tr>\n<tr>\n<td>v2.0 &#043; EDR<\/td>\n<td>2004\u5e74<\/td>\n<td>\u589e\u5f3a\u6570\u636e\u901f\u7387<\/td>\n<td>\u65b0\u589e\u03c0\/4-DQPSK&#xff08;2 Mbps&#xff09;\u548c8DPSK&#xff08;3 Mbps&#xff09;\u8c03\u5236&#xff0c;\u5411\u540e\u517c\u5bb9BR<\/td>\n<\/tr>\n<tr>\n<td>v2.1 &#043; EDR<\/td>\n<td>2007\u5e74<\/td>\n<td>\u5b89\u5168\u7b80\u5316\u914d\u5bf9&#xff08;SSP&#xff09;<\/td>\n<td>\u5f15\u5165Secure Simple Pairing&#xff08;\u6570\u5b57\u6bd4\u8f83\u3001NFC\u3001Passkey Entry&#xff09;<\/td>\n<\/tr>\n<tr>\n<td>v3.0 &#043; HS<\/td>\n<td>2009\u5e74<\/td>\n<td>\u9ad8\u901f\u84dd\u7259&#xff08;AMP&#xff09;<\/td>\n<td>\u5f15\u5165802.11 MAC\/PHY\u4f5c\u4e3a\u4ea4\u66ff\u5c04\u9891&#xff08;AMP&#xff09;&#xff0c;\u7406\u8bba\u901f\u738724 Mbps<\/td>\n<\/tr>\n<tr>\n<td>v4.0<\/td>\n<td>2010\u5e74<\/td>\n<td>BLE\u8bde\u751f<\/td>\n<td>\u7ecf\u5178\u84dd\u7259\u90e8\u5206&#xff1a;\u65b0\u589eLE\u6a21\u5f0f&#xff1b;\u7ecf\u5178\u6a21\u5f0f\u65e0\u91cd\u5927\u53d8\u5316<\/td>\n<\/tr>\n<tr>\n<td>v4.1<\/td>\n<td>2013\u5e74<\/td>\n<td>\u5171\u5b58\u4f18\u5316<\/td>\n<td>\u7ecf\u5178\u84dd\u7259\u4e0eLTE\u5171\u5b58\u4f18\u5316&#xff0c;\u63d0\u5347\u8fde\u63a5\u7075\u6d3b\u6027<\/td>\n<\/tr>\n<tr>\n<td>v4.2<\/td>\n<td>2014\u5e74<\/td>\n<td>\u5b89\u5168\u589e\u5f3a<\/td>\n<td>\u7ecf\u5178\u6a21\u5f0f\u5f15\u5165LE Secure Connections\u7684\u4ea4\u53c9\u5f15\u7528<\/td>\n<\/tr>\n<tr>\n<td>v5.0<\/td>\n<td>2016\u5e74<\/td>\n<td>\u7ecf\u5178\u6a21\u5f0f\u7a33\u5b9a<\/td>\n<td>\u7ecf\u5178\u84dd\u7259\u65e0\u91cd\u5927\u66f4\u65b0&#xff0c;\u4e3b\u8981\u589e\u5f3aBLE&#xff08;2x\u901f\u7387\u30014x\u8ddd\u79bb\u30018x\u5e7f\u64ad&#xff09;<\/td>\n<\/tr>\n<tr>\n<td>v5.1<\/td>\n<td>2019\u5e74<\/td>\n<td>\u65b9\u5411\u5bfb\u5740&#xff08;BLE&#xff09;<\/td>\n<td>\u7ecf\u5178\u6a21\u5f0f\u65e0\u53d8\u5316<\/td>\n<\/tr>\n<tr>\n<td>v5.2<\/td>\n<td>2020\u5e74<\/td>\n<td>LE Audio<\/td>\n<td>\u7ecf\u5178\u6a21\u5f0f\u65e0\u53d8\u5316&#xff1b;LE Audio\u6210\u4e3a\u84dd\u7259\u97f3\u9891\u65b0\u65b9\u5411<\/td>\n<\/tr>\n<tr>\n<td>v5.3<\/td>\n<td>2021\u5e74<\/td>\n<td>\u6548\u7387\u4f18\u5316<\/td>\n<td>\u7ecf\u5178\u6a21\u5f0f\u65e0\u53d8\u5316<\/td>\n<\/tr>\n<tr>\n<td>v5.4<\/td>\n<td>2023\u5e74<\/td>\n<td>\u5e7f\u64ad\u589e\u5f3a&#xff08;BLE&#xff09;<\/td>\n<td>\u7ecf\u5178\u6a21\u5f0f\u65e0\u53d8\u5316<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h5>\u5173\u952e\u7248\u672c\u6df1\u5ea6\u89e3\u6790<\/h5>\n<p>v2.0 &#043; EDR \u2014 \u901f\u7387\u98de\u8dc3<\/p>\n<ul>\n<li>\u5728\u57fa\u7840\u901f\u7387&#xff08;BR&#xff0c;GFSK\u8c03\u5236&#xff0c;1 Mbps&#xff09;\u57fa\u7840\u4e0a&#xff0c;\u589e\u52a0\u4e24\u79cd\u8c03\u5236\u65b9\u5f0f&#xff1a;\n<ul>\n<li>\u03c0\/4-DQPSK&#xff1a;2 Mbps<\/li>\n<li>8DPSK&#xff1a;3 Mbps<\/li>\n<\/ul>\n<\/li>\n<li>EDR\u6a21\u5f0f\u4e0b&#xff0c;\u5305\u5934\u548c\u63a5\u5165\u7801\u4ecd\u4f7f\u7528GFSK&#xff0c;\u4ec5\u8d1f\u8f7d&#xff08;Payload&#xff09;\u4f7f\u7528\u9ad8\u901f\u8c03\u5236&#xff0c;\u786e\u4fdd\u517c\u5bb9\u6027<\/li>\n<li>\u5b9e\u9645\u6709\u6548\u541e\u5410\u7ea6 2.1 Mbps&#xff08;3 Mbps\u7269\u7406\u5c42\u6263\u9664\u5f00\u9500&#xff09;<\/li>\n<\/ul>\n<p>v3.0 &#043; HS \u2014 \u84dd\u7259&#043;Wi-Fi\u878d\u5408<\/p>\n<ul>\n<li>\u5f15\u5165 AMP&#xff08;Alternate MAC\/PHY&#xff09; \u673a\u5236<\/li>\n<li>\u8bbe\u5907\u53d1\u73b0\u3001\u914d\u5bf9\u3001\u8fde\u63a5\u4ecd\u901a\u8fc7\u7ecf\u5178\u84dd\u7259\u5b8c\u6210<\/li>\n<li>\u5927\u6570\u636e\u4f20\u8f93\u65f6&#xff0c;\u5207\u6362\u81f3 802.11 \u5c04\u9891&#xff08;\u901a\u5e38\u590d\u7528\u8bbe\u5907\u5df2\u6709Wi-Fi\u82af\u7247&#xff09;<\/li>\n<li>\u7406\u8bba\u5cf0\u503c 24 Mbps&#xff0c;\u5b9e\u9645\u7ea6 8\u201316 Mbps<\/li>\n<li>\u6ce8\u610f&#xff1a;v3.0\u7684&#034;\u9ad8\u901f&#034;\u5e76\u975e\u84dd\u7259\u539f\u751f\u5c04\u9891&#xff0c;\u800c\u662f\u501f\u7528Wi-Fi\u7269\u7406\u5c42<\/li>\n<\/ul>\n<p>v4.x \u53ca\u4ee5\u540e \u2014 \u7ecf\u5178\u6a21\u5f0f\u8fdb\u5165\u7ef4\u62a4\u671f<\/p>\n<ul>\n<li>\u81eav4.0\u5f15\u5165BLE\u540e&#xff0c;\u84dd\u7259SIG\u7684\u6218\u7565\u91cd\u5fc3\u8f6c\u5411\u4f4e\u529f\u8017\u548c\u7269\u8054\u7f51<\/li>\n<li>\u7ecf\u5178\u84dd\u7259&#xff08;BR\/EDR&#xff09;\u5728v4.x\u548cv5.x\u4e2d\u4fdd\u6301\u7a33\u5b9a&#xff0c;\u4e3b\u8981\u8fdb\u884c\u5b89\u5168\u8865\u4e01\u548c\u5171\u5b58\u4f18\u5316<\/li>\n<li>LE Audio&#xff08;v5.2&#xff09; \u7684\u63a8\u51fa\u6807\u5fd7\u7740\u84dd\u7259\u97f3\u9891\u6b63\u4ece\u7ecf\u5178\u84dd\u7259&#xff08;A2DP&#xff09;\u5411\u4f4e\u529f\u8017\u84dd\u7259\u8fc1\u79fb<\/li>\n<\/ul>\n<hr \/>\n<h4>1.4\u30012.4GHz ISM\u9891\u6bb5\u300179\u4e2a\u4fe1\u9053\u3001\u8df3\u9891\u6269\u9891&#xff08;FHSS&#xff09;\u539f\u7406<\/h4>\n<h5>\u9891\u6bb5\u4e0e\u4fe1\u9053\u89c4\u5212<\/h5>\n<p>\u7ecf\u5178\u84dd\u7259\u5de5\u4f5c\u5728\u5168\u7403\u901a\u7528\u7684 2.4 GHz ISM\u9891\u6bb5&#xff0c;\u5177\u4f53\u8303\u56f4\u4e3a 2400\u20132483.5 MHz\u3002<\/p>\n<p>\u9891\u7387\u8303\u56f4: 2400 MHz \u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500 2483.5 MHz<br \/>\n          \u2502    \u2502    \u2502    \u2502    \u2502         \u2502    \u2502<br \/>\n\u4fe1\u9053\u7f16\u53f7:  0     1     2    &#8230;    38    39   &#8230;   78<br \/>\n          \u2502    \u2502    \u2502    \u2502         \u2502    \u2502<br \/>\n\u9891\u7387(MHz):2402 2403 2404       2441 2442       2480<\/p>\n<ul>\n<li>\u4fe1\u9053\u95f4\u9694&#xff1a;1 MHz<\/li>\n<li>\u603b\u4fe1\u9053\u6570&#xff1a;79\u4e2a&#xff08;\u7f16\u53f70\u201378&#xff09;<\/li>\n<li>\u6bcf\u4e2a\u4fe1\u9053\u5e26\u5bbd&#xff1a;\u7ea61 MHz&#xff08;\u5b9e\u9645GFSK\u8c03\u5236\u5360\u7528\u7ea60.5\u20131 MHz&#xff09;<\/li>\n<li>\u4e2d\u5fc3\u9891\u7387\u516c\u5f0f&#xff1a;f &#061; 2402 &#043; k MHz&#xff08;k &#061; 0, 1, 2, \u2026, 78&#xff09;<\/li>\n<\/ul>\n<p>\u6ce8\u610f&#xff1a;BLE\u4f7f\u7528\u4e0d\u540c\u7684\u4fe1\u9053\u89c4\u5212&#xff08;40\u4e2a\u4fe1\u9053&#xff0c;2 MHz\u95f4\u9694&#xff09;&#xff0c;\u8fd9\u662fBR\/EDR\u4e0eBLE\u5728\u7269\u7406\u5c42\u4e0d\u517c\u5bb9\u7684\u6839\u672c\u539f\u56e0\u4e4b\u4e00\u3002<\/p>\n<h5>\u8df3\u9891\u6269\u9891&#xff08;FHSS, Frequency-Hopping Spread Spectrum&#xff09;<\/h5>\n<p>\u84dd\u7259\u91c7\u7528 FHSS \u6280\u672f\u5bf9\u6297\u5e72\u6270\u548c\u63d0\u5347\u5b89\u5168\u6027&#xff0c;\u5176\u6838\u5fc3\u673a\u5236\u5982\u4e0b&#xff1a;<\/p>\n<p>1. \u65f6\u9699\u7ed3\u6784<\/p>\n<ul>\n<li>\u84dd\u7259\u65f6\u95f4\u88ab\u5212\u5206\u4e3a 625 \u03bcs \u7684\u65f6\u9699&#xff08;Time Slot&#xff09;<\/li>\n<li>\u6bcf\u4e2a\u65f6\u9699\u4f7f\u7528\u4e00\u4e2a\u4e0d\u540c\u7684\u5c04\u9891\u4fe1\u9053<\/li>\n<li>\u4e3b\u8bbe\u5907\u5728\u5076\u6570\u65f6\u9699\u53d1\u9001&#xff0c;\u4ece\u8bbe\u5907\u5728\u5947\u6570\u65f6\u9699\u53d1\u9001<\/li>\n<\/ul>\n<p>2. \u8df3\u9891\u5e8f\u5217<\/p>\n<ul>\n<li>\u8df3\u9891\u7531 \u4f2a\u968f\u673a\u5e8f\u5217 \u63a7\u5236&#xff0c;\u5e8f\u5217\u7531\u84dd\u7259\u8bbe\u5907\u5730\u5740\u548c\u65f6\u949f\u5171\u540c\u51b3\u5b9a<\/li>\n<li>\u8df3\u9891\u901f\u7387&#xff1a;1600 hops\/second&#xff08;\u5373\u6bcf\u79d2\u8df3\u98911600\u6b21&#xff0c;\u6bcf\u8df3\u6301\u7eed625 \u03bcs&#xff09;<\/li>\n<li>79\u4e2a\u4fe1\u9053\u6309\u4f2a\u968f\u673a\u987a\u5e8f\u5faa\u73af\u4f7f\u7528<\/li>\n<\/ul>\n<p>3. \u8df3\u9891\u516c\u5f0f&#xff08;\u7b80\u5316&#xff09;<\/p>\n<p>\u4e0b\u4e00\u4fe1\u9053 &#061; f(\u5f53\u524d\u65f6\u949f, \u8bbe\u5907\u5730\u5740, \u8df3\u9891\u5e8f\u5217\u9009\u62e9)<\/p>\n<ul>\n<li>\u5fae\u5fae\u7f51\u5185\u6240\u6709\u8bbe\u5907\u5171\u4eab\u76f8\u540c\u7684\u8df3\u9891\u5e8f\u5217&#xff0c;\u4fdd\u6301\u540c\u6b65<\/li>\n<li>\u4e0d\u540c\u5fae\u5fae\u7f51\u4f7f\u7528\u4e0d\u540c\u7684\u8bbe\u5907\u5730\u5740&#xff0c;\u56e0\u6b64\u8df3\u9891\u5e8f\u5217\u4e0d\u540c&#xff0c;\u964d\u4f4e\u78b0\u649e\u6982\u7387<\/li>\n<\/ul>\n<p>4. \u81ea\u9002\u5e94\u8df3\u9891&#xff08;AFH, Adaptive Frequency Hopping&#xff09;\u2014 v1.2\u5f15\u5165<\/p>\n<p>\u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510<br \/>\n\u2502              \u4f20\u7edfFHSS&#xff08;v1.0\u2013v1.1&#xff09;                        \u2502<br \/>\n\u2502    \u6240\u670979\u4e2a\u4fe1\u9053\u5747\u5300\u4f7f\u7528&#xff0c;\u65e0\u8bba\u662f\u5426\u5b58\u5728\u5e72\u6270                    \u2502<br \/>\n\u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518<br \/>\n                           \u2193<br \/>\n\u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510<br \/>\n\u2502              AFH&#xff08;v1.2&#043;&#xff09;                                \u2502<br \/>\n\u2502    \u5b9e\u65f6\u76d1\u6d4b\u4fe1\u9053\u8d28\u91cf \u2192 \u6807\u8bb0&#034;\u574f\u4fe1\u9053&#034; \u2192 \u4ece\u8df3\u9891\u5e8f\u5217\u4e2d\u79fb\u9664      \u2502<br \/>\n\u2502    \u4ec5\u4f7f\u7528&#034;\u597d\u4fe1\u9053&#034;&#xff08;\u6700\u5c1120\u4e2a&#xff09;&#xff0c;\u52a8\u6001\u8c03\u6574                    \u2502<br \/>\n\u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518<\/p>\n<ul>\n<li>AFH\u5c0679\u4e2a\u4fe1\u9053\u5206\u4e3a \u5df2\u7528\u4fe1\u9053&#xff08;Used Channels&#xff09; \u548c \u672a\u7528\u4fe1\u9053&#xff08;Unused Channels&#xff09;<\/li>\n<li>\u5df2\u7528\u4fe1\u9053\u81f3\u5c11 20\u4e2a&#xff0c;\u6700\u591a 79\u4e2a<\/li>\n<li>\u672a\u7528\u4fe1\u9053\u88ab\u66ff\u6362\u4e3a\u5df2\u7528\u4fe1\u9053\u7684\u6620\u5c04&#xff0c;\u4fdd\u6301\u8df3\u9891\u901f\u7387\u4e0d\u53d8<\/li>\n<li>\u4e0eWi-Fi&#xff08;802.11b\/g\/n&#xff0c;\u6bcf\u4fe1\u905322 MHz\u5e26\u5bbd&#xff09;\u5171\u5b58\u65f6&#xff0c;AFH\u53ef\u907f\u5f00Wi-Fi\u5360\u7528\u7684\u9891\u6bb5<\/li>\n<\/ul>\n<h5>FHSS \u7684\u4f18\u52bf<\/h5>\n<table>\n<tr>\u4f18\u52bf\u539f\u7406\u8bf4\u660e<\/tr>\n<tbody>\n<tr>\n<td>\u6297\u5e72\u6270<\/td>\n<td>\u7a84\u5e26\u5e72\u6270\u4ec5\u5f71\u54cd\u5355\u4e2a\u65f6\u9699&#xff0c;\u901a\u8fc7\u4fe1\u9053\u7f16\u7801\u548c\u91cd\u4f20\u6062\u590d<\/td>\n<\/tr>\n<tr>\n<td>\u6297\u591a\u5f84\u8870\u843d<\/td>\n<td>\u8df3\u9891\u4f7f\u4fe1\u53f7\u5728\u4e0d\u540c\u9891\u7387\u4e0a\u4f20\u64ad&#xff0c;\u907f\u514d\u6301\u7eed\u5904\u4e8e\u6df1\u8870\u843d<\/td>\n<\/tr>\n<tr>\n<td>\u5b89\u5168\u6027<\/td>\n<td>\u8df3\u9891\u5e8f\u5217\u7531\u5730\u5740\u548c\u65f6\u949f\u51b3\u5b9a&#xff0c;\u96be\u4ee5\u88ab\u7a83\u542c\u6216\u5e72\u6270<\/td>\n<\/tr>\n<tr>\n<td>\u591a\u5740\u63a5\u5165<\/td>\n<td>\u4e0d\u540c\u5fae\u5fae\u7f51\u4f7f\u7528\u4e0d\u540c\u8df3\u9891\u5e8f\u5217&#xff0c;\u5b9e\u73b0\u9891\u5206\u590d\u7528<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<hr \/>\n<h4>1.5\u3001\u5fae\u5fae\u7f51&#xff08;Piconet&#xff09;\u4e0e\u6563\u5c04\u7f51&#xff08;Scatternet&#xff09;\u62d3\u6251\u7ed3\u6784<\/h4>\n<h5>\u5fae\u5fae\u7f51&#xff08;Piconet&#xff09;<\/h5>\n<p>\u5fae\u5fae\u7f51\u662f\u84dd\u7259\u6700\u57fa\u672c\u7684\u7f51\u7edc\u5355\u5143&#xff0c;\u91c7\u7528 \u4e3b\u4ece&#xff08;Master-Slave&#xff09;\u67b6\u6784\u3002<\/p>\n<p>                    \u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510<br \/>\n                    \u2502  Master \u2502<br \/>\n                    \u2502 (\u4e3b\u8bbe\u5907) \u2502<br \/>\n                    \u2502  1\u4e2a    \u2502<br \/>\n                    \u2514\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2518<br \/>\n                         \u2502<br \/>\n         \u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510<br \/>\n         \u2502               \u2502               \u2502<br \/>\n    \u250c\u2500\u2500\u2500\u2500\u2534\u2500\u2500\u2500\u2500\u2510    \u250c\u2500\u2500\u2500\u2500\u2534\u2500\u2500\u2500\u2500\u2510    \u250c\u2500\u2500\u2500\u2500\u2534\u2500\u2500\u2500\u2500\u2510<br \/>\n    \u2502 Slave 1 \u2502    \u2502 Slave 2 \u2502    \u2502 Slave 7 \u2502<br \/>\n    \u2502(\u6d3b\u8dc3\u4ece)  \u2502    \u2502(\u6d3b\u8dc3\u4ece)  \u2502    \u2502(\u6d3b\u8dc3\u4ece)  \u2502<br \/>\n    \u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518    \u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518    \u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518<br \/>\n         \u2502               \u2502               \u2502<br \/>\n    \u250c\u2500\u2500\u2500\u2500\u2534\u2500\u2500\u2500\u2500\u2510    \u250c\u2500\u2500\u2500\u2500\u2534\u2500\u2500\u2500\u2500\u2510    \u250c\u2500\u2500\u2500\u2500\u2534\u2500\u2500\u2500\u2500\u2510<br \/>\n    \u2502 Parked  \u2502    \u2502 Parked  \u2502    \u2502 Parked  \u2502<br \/>\n    \u2502(\u4f11\u7720\u4ece)  \u2502    \u2502(\u4f11\u7720\u4ece)  \u2502    \u2502(\u4f11\u7720\u4ece)  \u2502<br \/>\n    \u2502 \u6700\u591a255\u4e2a\u2502    \u2502         \u2502    \u2502         \u2502<br \/>\n    \u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518    \u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518    \u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518<\/p>\n<p>\u5fae\u5fae\u7f51\u6838\u5fc3\u89c4\u5219&#xff1a;<\/p>\n<table>\n<tr>\u53c2\u6570\u6570\u503c\u8bf4\u660e<\/tr>\n<tbody>\n<tr>\n<td>\u4e3b\u8bbe\u5907&#xff08;Master&#xff09;<\/td>\n<td>1\u4e2a<\/td>\n<td>\u63a7\u5236\u8df3\u9891\u5e8f\u5217\u548c\u65f6\u9699\u5206\u914d<\/td>\n<\/tr>\n<tr>\n<td>\u6d3b\u8dc3\u4ece\u8bbe\u5907&#xff08;Active Slave&#xff09;<\/td>\n<td>\u6700\u591a7\u4e2a<\/td>\n<td>\u53ef\u53c2\u4e0e\u6570\u636e\u4f20\u8f93&#xff0c;\u5206\u914dAM_ADDR&#xff08;3\u4f4d\u5730\u5740&#xff09;<\/td>\n<\/tr>\n<tr>\n<td>\u4f11\u7720\u4ece\u8bbe\u5907&#xff08;Parked Slave&#xff09;<\/td>\n<td>\u6700\u591a255\u4e2a<\/td>\n<td>\u4fdd\u6301\u540c\u6b65\u4f46\u4e0d\u5360\u7528AM_ADDR&#xff0c;\u901a\u8fc7PM_ADDR\u5bfb\u5740<\/td>\n<\/tr>\n<tr>\n<td>\u55c5\u63a2\u4ece\u8bbe\u5907&#xff08;Sniff Slave&#xff09;<\/td>\n<td>\u65e0\u4e0a\u9650<\/td>\n<td>\u4ee5\u964d\u4f4e\u9891\u7387\u76d1\u542c\u4fe1\u9053&#xff0c;\u51cf\u5c11\u529f\u8017<\/td>\n<\/tr>\n<tr>\n<td>\u4fdd\u6301\u4ece\u8bbe\u5907&#xff08;Hold Slave&#xff09;<\/td>\n<td>\u65e0\u4e0a\u9650<\/td>\n<td>\u4e34\u65f6\u6302\u8d77\u8fde\u63a5&#xff0c;\u4fdd\u7559AM_ADDR<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u5730\u5740\u5206\u914d&#xff1a;<\/p>\n<ul>\n<li>AM_ADDR&#xff08;Active Member Address&#xff09;&#xff1a;3\u4f4d&#xff0c;0\u20137&#xff0c;\u5176\u4e2d0\u4fdd\u7559\u7ed9\u5e7f\u64ad&#xff0c;\u6709\u6548\u5730\u57401\u20137\u5bf9\u5e947\u4e2a\u6d3b\u8dc3\u4ece\u8bbe\u5907<\/li>\n<li>PM_ADDR&#xff08;Parked Member Address&#xff09;&#xff1a;8\u4f4d&#xff0c;0\u2013255&#xff0c;\u7528\u4e8e\u4f11\u7720\u8bbe\u5907<\/li>\n<li>AR_ADDR&#xff08;Access Request Address&#xff09;&#xff1a;\u7528\u4e8e\u4f11\u7720\u8bbe\u5907\u8bf7\u6c42\u6062\u590d\u6d3b\u8dc3\u72b6\u6001<\/li>\n<\/ul>\n<p>\u901a\u4fe1\u673a\u5236&#xff1a;<\/p>\n<ul>\n<li>\u6240\u6709\u901a\u4fe1\u5fc5\u987b\u7ecf\u8fc7\u4e3b\u8bbe\u5907\u8f6c\u53d1&#xff08;\u4ece\u8bbe\u5907\u4e4b\u95f4\u4e0d\u80fd\u76f4\u63a5\u901a\u4fe1&#xff09;<\/li>\n<li>\u4e3b\u8bbe\u5907\u4f7f\u7528 TDD&#xff08;\u65f6\u5206\u53cc\u5de5&#xff09;&#xff1a;\u5076\u6570\u65f6\u9699\u53d1\u9001&#xff0c;\u5947\u6570\u65f6\u9699\u63a5\u6536<\/li>\n<li>\u4ece\u8bbe\u5907\u5728\u5206\u914d\u7ed9\u81ea\u5df1\u7684\u65f6\u9699\u4e2d\u54cd\u5e94<\/li>\n<\/ul>\n<h5>\u6563\u5c04\u7f51&#xff08;Scatternet&#xff09;<\/h5>\n<p>\u6563\u5c04\u7f51\u7531\u591a\u4e2a\u5fae\u5fae\u7f51\u901a\u8fc7\u6865\u63a5\u8bbe\u5907\u4e92\u8054\u7ec4\u6210&#xff0c;\u662f\u84dd\u7259\u7684\u6269\u5c55\u62d3\u6251\u3002<\/p>\n<p>         \u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510                    \u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510<br \/>\n         \u2502 Master A\u2502\u25c4\u2500\u2500\u2500\u2500\u2500\u2500\u2510      \u250c\u2500\u2500\u2500\u2500\u2500\u25ba\u2502 Master C\u2502<br \/>\n         \u2502  (\u5fae\u5fae\u7f51A)\u2502       \u2502      \u2502      \u2502 (\u5fae\u5fae\u7f51C) \u2502<br \/>\n         \u2514\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2518       \u2502      \u2502      \u2514\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2518<br \/>\n              \u2502            \u2502      \u2502           \u2502<br \/>\n        \u250c\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2510      \u2502      \u2502     \u250c\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2510<br \/>\n        \u2502     \u2502     \u2502      \u2502      \u2502     \u2502     \u2502     \u2502<br \/>\n    \u250c\u2500\u2500\u2500\u2534\u2500\u2510 \u250c\u2500\u2534\u2500\u2510 \u250c\u2500\u2534\u2500\u2510    \u2502      \u2502  \u250c\u2500\u2500\u2534\u2500\u2510 \u250c\u2500\u2534\u2500\u2510 \u250c\u2500\u2534\u2500\u2510<br \/>\n    \u2502Slave\u2502 \u2502Slave\u2502 \u2502Slave\u2502    \u250c\u2500\u2534\u2500\u2510  \u2502Slave\u2502 \u2502Slave\u2502 \u2502Slave\u2502<br \/>\n    \u2502 1A  \u2502 \u2502 2A  \u2502 \u2502 3A  \u2502    \u2502 D \u2502  \u2502 1C  \u2502 \u2502 2C  \u2502 \u2502 3C  \u2502<br \/>\n    \u2514\u2500\u2500\u252c\u2500\u2500\u2518 \u2514\u2500\u2500\u2500\u2518 \u2514\u2500\u2500\u2500\u2518    \u2514\u2500\u252c\u2500\u2518  \u2514\u2500\u2500\u252c\u2500\u2500\u2518 \u2514\u2500\u2500\u2500\u2518 \u2514\u2500\u2500\u2500\u2518<br \/>\n       \u2502                     \u2502       \u2502<br \/>\n       \u2502    \u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510      \u2502       \u2502<br \/>\n       \u2514\u2500\u2500\u2500\u25ba\u2502 Master B\u2502\u25c4\u2500\u2500\u2500\u2500\u2500\u2518       \u2502<br \/>\n            \u2502 (\u5fae\u5fae\u7f51B) \u2502              \u2502<br \/>\n            \u2514\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2518              \u2502<br \/>\n                 \u2502                   \u2502<br \/>\n            \u250c\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2510              \u2502<br \/>\n            \u2502    \u2502    \u2502              \u2502<br \/>\n        \u250c\u2500\u2500\u2500\u2534\u2510 \u250c\u2500\u2534\u2500\u2510 \u250c\u2500\u2534\u2500\u2510            \u2502<br \/>\n        \u25021B  \u2502 \u25022B \u2502 \u25023B \u2502            \u2502<br \/>\n        \u2514\u2500\u2500\u2500\u2518 \u2514\u2500\u2500\u2500\u2518 \u2514\u2500\u2500\u2500\u2518            \u2502<br \/>\n                                       \u2502<br \/>\n                                  \u8bbe\u5907D &#061; Slave in A<br \/>\n                                          Master in B<br \/>\n                                          Slave in C<br \/>\n                                          &#xff08;\u6865\u63a5\u8bbe\u5907&#xff09;<\/p>\n<p>\u6865\u63a5\u8bbe\u5907&#xff08;Bridge Device&#xff09;\u7c7b\u578b&#xff1a;<\/p>\n<table>\n<tr>\u7c7b\u578b\u5b9a\u4e49\u5de5\u4f5c\u65b9\u5f0f<\/tr>\n<tbody>\n<tr>\n<td>\u4e3b-\u4ece\u6865&#xff08;Master-Slave Bridge&#xff09;<\/td>\n<td>\u5728\u4e00\u4e2a\u5fae\u5fae\u7f51\u4e2d\u662f\u4e3b\u8bbe\u5907&#xff0c;\u5728\u53e6\u4e00\u4e2a\u662f\u6865\u63a5\u4ece\u8bbe\u5907<\/td>\n<td>\u65f6\u5206\u590d\u7528&#xff0c;\u5728\u4e24\u4e2a\u5fae\u5fae\u7f51\u95f4\u5207\u6362\u65f6\u9699<\/td>\n<\/tr>\n<tr>\n<td>\u4ece-\u4ece\u6865&#xff08;Slave-Slave Bridge&#xff09;<\/td>\n<td>\u5728\u4e24\u4e2a\u4e0d\u540c\u5fae\u5fae\u7f51\u4e2d\u5747\u4e3a\u4ece\u8bbe\u5907<\/td>\n<td>\u5728\u4e24\u4e2a\u5fae\u5fae\u7f51\u95f4\u5206\u65f6\u53c2\u4e0e<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u6563\u5c04\u7f51\u7684\u5173\u952e\u7ea6\u675f&#xff1a;<\/p>\n<li>\u65f6\u9699\u5207\u6362\u5f00\u9500&#xff1a;\u6865\u63a5\u8bbe\u5907\u9700\u5728\u4e0d\u540c\u5fae\u5fae\u7f51\u7684\u8df3\u9891\u5e8f\u5217\u95f4\u5207\u6362&#xff0c;\u5f15\u5165\u5ef6\u8fdf<\/li>\n<li>\u65e0\u5168\u5c40\u65f6\u949f\u540c\u6b65&#xff1a;\u5404\u5fae\u5fae\u7f51\u72ec\u7acb\u8fd0\u884c&#xff0c;\u6865\u63a5\u8bbe\u5907\u9700\u7ef4\u62a4\u591a\u4e2a\u65f6\u949f\u504f\u79fb<\/li>\n<li>\u65e0\u8def\u7531\u534f\u8bae&#xff1a;\u84dd\u7259\u89c4\u8303\u672a\u5b9a\u4e49\u7f51\u7edc\u5c42\u8def\u7531&#xff0c;\u6563\u5c04\u7f51\u7684\u6570\u636e\u8f6c\u53d1\u4f9d\u8d56\u5e94\u7528\u5c42\u6216\u7279\u5b9aProfile\u5b9e\u73b0<\/li>\n<li>\u5b9e\u9645\u5e94\u7528\u53d7\u9650&#xff1a;\u7531\u4e8e\u590d\u6742\u6027\u548c\u6027\u80fd\u5f00\u9500&#xff0c;\u6563\u5c04\u7f51\u5728\u6d88\u8d39\u7ea7\u4ea7\u54c1\u4e2d\u6781\u5c11\u4f7f\u7528&#xff0c;\u4e3b\u8981\u505c\u7559\u5728\u5b66\u672f\u7814\u7a76\u548c\u7279\u5b9a\u5de5\u4e1a\u573a\u666f<\/li>\n<h5>\u62d3\u6251\u5bf9\u6bd4\u603b\u7ed3<\/h5>\n<table>\n<tr>\u7279\u6027\u5fae\u5fae\u7f51&#xff08;Piconet&#xff09;\u6563\u5c04\u7f51&#xff08;Scatternet&#xff09;<\/tr>\n<tbody>\n<tr>\n<td>\u89c4\u6a21<\/td>\n<td>\u6700\u591a8\u4e2a\u6d3b\u8dc3\u8bbe\u5907&#xff08;1\u4e3b&#043;7\u4ece&#xff09;<\/td>\n<td>\u7406\u8bba\u4e0a\u65e0\u4e0a\u9650&#xff08;\u53d7\u6865\u63a5\u8bbe\u5907\u9650\u5236&#xff09;<\/td>\n<\/tr>\n<tr>\n<td>\u901a\u4fe1\u8def\u5f84<\/td>\n<td>\u661f\u578b&#xff08;\u5fc5\u987b\u7ecf\u8fc7\u4e3b\u8bbe\u5907&#xff09;<\/td>\n<td>\u591a\u8df3&#xff08;\u901a\u8fc7\u6865\u63a5\u8bbe\u5907\u8f6c\u53d1&#xff09;<\/td>\n<\/tr>\n<tr>\n<td>\u8df3\u9891\u5e8f\u5217<\/td>\n<td>\u5355\u4e00\u5e8f\u5217&#xff0c;\u5168\u540c\u6b65<\/td>\n<td>\u591a\u4e2a\u72ec\u7acb\u5e8f\u5217<\/td>\n<\/tr>\n<tr>\n<td>\u590d\u6742\u5ea6<\/td>\n<td>\u4f4e&#xff0c;\u5b9e\u9645\u5e7f\u6cdb\u5e94\u7528<\/td>\n<td>\u9ad8&#xff0c;\u5b9e\u9645\u5e94\u7528\u6781\u5c11<\/td>\n<\/tr>\n<tr>\n<td>\u5178\u578b\u573a\u666f<\/td>\n<td>\u84dd\u7259\u8033\u673a&#043;\u624b\u673a\u3001\u952e\u76d8&#043;\u7535\u8111<\/td>\n<td>\u5de5\u4e1a\u4f20\u611f\u5668\u7f51\u7edc&#xff08;\u7406\u8bba&#xff09;<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<hr \/>\n","protected":false},"excerpt":{"rendered":"<p>\u6587\u7ae0\u76ee\u5f55\u7ecf\u5178\u84dd\u7259&#xff08;Classic Bluetooth \/ BR\/EDR&#xff09;\u6280\u672f\u8be6\u89e31\u3001\u84dd\u7259\u6280\u672f\u6982\u89c81.1\u3001\u84dd\u7259\u6280\u672f\u8054\u76df&#xff08;Bluetooth SIG&#xff09;\u7ec4\u7ec7\u67b6\u6784\u4e0e\u89c4\u8303\u4f53\u7cfb\u7ec4\u7ec7\u67b6\u6784\u89c4\u8303\u4f53\u7cfb1.2\u3001BR\/EDR vs BLE \u7684\u6838\u5fc3\u533a\u522b\u529f\u8017\u6a21\u578b\u5dee\u5f02\u534f\u8bae\u6808\u5dee\u5f021.3\u3001\u7ecf\u5178\u84dd\u7259\u7684\u7248\u672c\u6f14\u8fdb\u5173\u952e\u7248\u672c\u6df1\u5ea6\u89e3\u67901.4\u30012.4GHz ISM\u9891\u6bb5\u300179\u4e2a\u4fe1\u9053\u3001\u8df3\u9891\u6269\u9891&#xff08;FHSS&#xff09;\u539f\u7406\u9891\u6bb5\u4e0e\u4fe1\u9053\u89c4\u5212\u8df3\u9891\u6269\u9891&amp;#xff08<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[10137],"topic":[],"class_list":["post-89372","post","type-post","status-publish","format-standard","hentry","category-server","tag-bluetooth"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u7ecf\u5178\u84dd\u7259\uff08Classic Bluetooth \/ BR\/EDR\uff09- \u57fa\u7840\u8ba4\u77e51 - \u84dd\u7259\u6280\u672f\u6982\u89c8 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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