{"id":93912,"date":"2024-06-11T14:30:06","date_gmt":"2024-06-11T06:30:06","guid":{"rendered":"https:\/\/www.techphant.cn\/?p=93912"},"modified":"2024-06-11T14:30:11","modified_gmt":"2024-06-11T06:30:11","slug":"kpyzssmys","status":"publish","type":"post","link":"https:\/\/www.techphant.cn\/blog\/93912.html","title":{"rendered":"\u6269\u9891\u56e0\u5b50\u662f\u4ec0\u4e48\u610f\u601d"},"content":{"rendered":"\n

\u3000\u3000\u6269\u9891\u56e0\u5b50(Spreading Factor\uff0cSF)<\/strong>\u662f\u6307\u5728\u6269\u9891\u8c03\u5236<\/strong>\u6280\u672f\u4e2d\uff0c\u6269\u9891\u4fe1\u53f7\u7684\u5e26\u5bbd\u4e0e\u539f\u59cb\u4fe1\u53f7\u7684\u5e26\u5bbd\u4e4b\u6bd4\u3002\u5177\u4f53\u6765\u8bf4\uff0c\u6269\u9891\u56e0\u5b50\u8868\u793a\u4e86\u6269\u9891\u4fe1\u53f7\u4e2d\u6bcf\u4e2a\u7801\u7247\u6240\u5360\u7528\u7684\u539f\u59cb\u4fe1\u53f7\u7801\u5143\u6570\u76ee\u7684\u6bd4\u4f8b\u3002\u5728LoRa\u6280\u672f\u4e2d\uff0c\u6269\u9891\u56e0\u5b50\u662f\u4e00\u4e2a\u91cd\u8981\u53c2\u6570\uff0c\u5b83\u51b3\u5b9a\u4e86\u6bcf\u4e2a\u4fe1\u606f\u4f4d\u53d1\u9001\u7684\u7b26\u53f7\u6570\u91cf\u3002<\/p>\n\n\n\n

\u3000\u3000\u6269\u9891\u56e0\u5b50\u7684\u5927\u5c0f\u76f4\u63a5\u5f71\u54cd\u5230\u4fe1\u53f7\u7684\u8986\u76d6\u8303\u56f4\u548c\u6570\u636e\u4f20\u8f93\u901f\u7387\u3002\u6269\u9891\u56e0\u5b50\u8d8a\u5927\uff0c\u610f\u5473\u7740\u7801\u7247\u5468\u671f\u8d8a\u957f\uff0c\u4ece\u800c\u53ef\u4ee5\u63d0\u9ad8\u4fe1\u53f7\u7684\u6297\u5e72\u6270\u80fd\u529b\u548c\u8986\u76d6\u8303\u56f4\uff0c\u4f46\u540c\u65f6\u4e5f\u4f1a\u589e\u52a0\u7cfb\u7edf\u7684\u590d\u6742\u5ea6\u548c\u529f\u8017\u3002\u4f8b\u5982\uff0c\u5728LoRa\u901a\u4fe1\u4e2d\uff0c\u901a\u8fc7\u8c03\u8282\u6269\u9891\u56e0\u5b50\uff0c\u53ef\u4ee5\u4f18\u5316\u4fe1\u53f7\u7684\u4f20\u8f93\u6548\u7387\u548c\u8986\u76d6\u8303\u56f4\u3002<\/p>\n\n\n\n

\u3000\u3000\u6269\u9891\u56e0\u5b50\u662f\u6269\u9891\u8c03\u5236\u6280\u672f\u4e2d\u7684\u4e00\u4e2a\u5173\u952e\u53c2\u6570\uff0c\u5b83\u901a\u8fc7\u8c03\u6574\u4fe1\u53f7\u7684\u5e26\u5bbd\u548c\u7801\u7247\u7684\u6570\u91cf\u6765\u4f18\u5316\u4fe1\u53f7\u7684\u4f20\u8f93\u6027\u80fd\u548c\u8986\u76d6\u8303\u56f4\u3002<\/p>\n\n\n\n

\u3000\u3000\u4e00\u3001 \u6269\u9891\u56e0\u5b50\u5728\u4e0d\u540c\u901a\u4fe1\u6280\u672f\u4e2d\u7684\u5e94\u7528<\/h2>\n\n\n\n

\u3000\u3000\u6269\u9891\u56e0\u5b50(SF)\u5728\u4e0d\u540c\u901a\u4fe1\u6280\u672f\u4e2d\u7684\u5e94\u7528\u548c\u5f71\u54cd\u4e3b\u8981\u4f53\u73b0\u5728\u4fe1\u53f7\u7684\u4f20\u8f93\u8ddd\u79bb\u3001\u8986\u76d6\u8303\u56f4\u3001\u6297\u5e72\u6270\u80fd\u529b\u3001\u6570\u636e\u4f20\u8f93\u901f\u7387\u4ee5\u53ca\u7cfb\u7edf\u7684\u529f\u8017\u7b49\u65b9\u9762\u3002<\/p>\n\n\n\n

\u3000\u3000\u6269\u9891\u56e0\u5b50\u901a\u8fc7\u589e\u52a0\u4fe1\u53f7\u7684\u5e26\u5bbd\u6765\u63d0\u9ad8\u4fe1\u53f7\u7684\u4f20\u8f93\u8ddd\u79bb\u548c\u8986\u76d6\u8303\u56f4\u3002\u4f8b\u5982\uff0c\u5728LoRa\u6280\u672f\u4e2d\uff0c\u6269\u9891\u56e0\u5b50\u7684\u589e\u52a0\u4f1a\u4f7f\u5f97\u4fe1\u53f7\u5728\u7a7a\u6c14\u4e2d\u7684\u4f20\u64ad\u8ddd\u79bb\u66f4\u8fdc\uff0c\u4ece\u800c\u6269\u5927\u4e86\u8986\u76d6\u8303\u56f4\u3002\u8fd9\u5bf9\u4e8e\u7269\u8054\u7f51(IoT)\u7b49\u9700\u8981\u5e7f\u6cdb\u8986\u76d6\u7684\u5e94\u7528\u573a\u666f\u5c24\u4e3a\u91cd\u8981\u3002<\/p>\n\n\n\n

\u3000\u3000\u6269\u9891\u56e0\u5b50\u7684\u589e\u52a0\u4e5f\u63d0\u9ad8\u4e86\u4fe1\u53f7\u7684\u6297\u5e72\u6270\u80fd\u529b\u3002\u5728\u6269\u9891\u901a\u4fe1\u6280\u672f\u4e2d\uff0c\u4fe1\u53f7\u88ab\u6269\u5c55\u5230\u5f88\u5bbd\u7684\u9891\u5e26\u4e0a\u53d1\u9001\uff0c\u8fd9\u6837\u5373\u4f7f\u5728\u9891\u8c31\u62e5\u6324\u7684\u60c5\u51b5\u4e0b\uff0c\u4fe1\u53f7\u4ecd\u7136\u80fd\u591f\u4fdd\u6301\u8f83\u9ad8\u7684\u8d28\u91cf\u548c\u53ef\u9760\u6027\u3002\u8fd9\u5bf9\u4e8e\u590d\u6742\u7684\u73af\u5883\u4e2d\uff0c\u5982\u57ce\u5e02\u4e2d\u5fc3\u533a\u57df\uff0c\u80fd\u591f\u6709\u6548\u51cf\u5c11\u5e72\u6270\uff0c\u4fdd\u8bc1\u901a\u4fe1\u7684\u7a33\u5b9a\u6027\u3002<\/p>\n\n\n\n

\u3000\u3000\u7136\u800c\uff0c\u6269\u9891\u56e0\u5b50\u7684\u589e\u52a0\u4f1a\u5bfc\u81f4\u6570\u636e\u4f20\u8f93\u901f\u7387\u7684\u964d\u4f4e\u3002\u56e0\u4e3a\u6269\u9891\u540e\u7684\u4fe1\u53f7\u901f\u7387\u8f83\u4f4e\uff0c\u6bcf\u4e2a\u4fe1\u606f\u4f4d\u9700\u8981\u88ab\u6269\u5c55\u6210\u591a\u4e2a\u7b26\u53f7\uff0c\u8fd9\u76f4\u63a5\u5f71\u54cd\u4e86\u6570\u636e\u7684\u4f20\u8f93\u901f\u5ea6\u3002\u4f8b\u5982\uff0c\u5f53\u6269\u9891\u56e0\u5b50\u4e3a6\u65f6\uff0cLoRa\u7684\u6570\u636e\u4f20\u8f93\u901f\u7387\u6700\u5feb\uff0c\u4f46\u968f\u7740\u6269\u9891\u56e0\u5b50\u7684\u589e\u52a0\uff0c\u901f\u7387\u4f1a\u9010\u6e10\u964d\u4f4e\u3002<\/p>\n\n\n\n

\u3000\u3000\u6269\u9891\u56e0\u5b50\u7684\u589e\u52a0\u8fd8\u4f1a\u5f71\u54cd\u7cfb\u7edf\u7684\u529f\u8017\u3002\u7531\u4e8e\u9700\u8981\u66f4\u591a\u7684\u7b26\u53f7\u6765\u4f20\u8f93\u6bcf\u4e2a\u4fe1\u606f\u4f4d\uff0c\u56e0\u6b64\u5728\u53d1\u9001\u7aef\u548c\u63a5\u6536\u7aef\u90fd\u9700\u8981\u66f4\u591a\u7684\u80fd\u91cf\u6765\u5904\u7406\u8fd9\u4e9b\u7b26\u53f7\uff0c\u8fd9\u53ef\u80fd\u4f1a\u5bfc\u81f4\u8282\u70b9\u7684\u529f\u8017\u589e\u52a0\u3002\u8fd9\u5bf9\u4e8e\u9700\u8981\u957f\u7535\u6c60\u5bff\u547d\u7684\u5d4c\u5165\u5f0f\u8bbe\u5907\u6765\u8bf4\u662f\u4e00\u4e2a\u91cd\u8981\u8003\u8651\u56e0\u7d20\u3002<\/p>\n\n\n\n

\u3000\u3000\u5728\u591a\u7528\u6237\u73af\u5883\u4e2d\uff0c\u6269\u9891\u56e0\u5b50\u7684\u516c\u5e73\u5206\u914d\u4e5f\u662f\u4e00\u4e2a\u91cd\u8981\u95ee\u9898\u3002\u4e0d\u516c\u5e73\u7684\u6269\u9891\u56e0\u5b50\u5206\u914d\u4f1a\u5bfc\u81f4\u4f4e\u901f\u7387\u4f20\u8f93\u4e2d\u7684\u78b0\u649e\u6982\u7387\u589e\u52a0\uff0c\u4ece\u800c\u9020\u6210\u5927\u91cf\u4e22\u5305\uff0c\u5f71\u54cd\u7f51\u7edc\u7684\u7a33\u5b9a\u6027\uff0c\u5e76\u589e\u52a0\u8282\u70b9\u56e0\u4e3a\u91cd\u4f20\u800c\u5e26\u6765\u7684\u529f\u8017\u3002<\/p>\n\n\n\n

\u3000\u3000\u6269\u9891\u56e0\u5b50\u5728\u4e0d\u540c\u901a\u4fe1\u6280\u672f\u4e2d\u7684\u5e94\u7528\u548c\u5f71\u54cd\u662f\u591a\u65b9\u9762\u7684\uff0c\u5b83\u901a\u8fc7\u589e\u52a0\u4fe1\u53f7\u7684\u5e26\u5bbd\u6765\u63d0\u9ad8\u4f20\u8f93\u8ddd\u79bb\u548c\u8986\u76d6\u8303\u56f4\uff0c\u540c\u65f6\u63d0\u9ad8\u6297\u5e72\u6270\u80fd\u529b\uff0c\u4f46\u4e5f\u4f1a\u5bfc\u81f4\u6570\u636e\u4f20\u8f93\u901f\u7387\u7684\u964d\u4f4e\u548c\u7cfb\u7edf\u529f\u8017\u7684\u589e\u52a0\u3002<\/p>\n\n\n\n

\u3000\u3000\u4e8c\u3001 \u6269\u9891\u56e0\u5b50\u5bf9\u4fe1\u53f7\u4f20\u8f93\u901f\u7387\u7684\u5177\u4f53\u5f71\u54cd\u6848\u4f8b<\/h2>\n\n\n\n

\u3000\u3000\u6269\u9891\u56e0\u5b50\u5bf9\u4fe1\u53f7\u4f20\u8f93\u901f\u7387\u7684\u5177\u4f53\u5f71\u54cd\u53ef\u4ee5\u901a\u8fc7\u591a\u4e2a\u6848\u4f8b\u8fdb\u884c\u8be6\u7ec6\u5206\u6790\u3002\u4ee5\u4e0b\u662f\u51e0\u4e2a\u5178\u578b\u7684\u5e94\u7528\u6848\u4f8b\uff1a<\/p>\n\n\n\n

\u3000\u3000LoRa\u6280\u672f(\u4e5f\u79f0\u4e3aChirp\u6269\u9891\u6280\u672f)\u5728\u7269\u8054\u7f51\u548c\u8f66\u8054\u7f51\u9886\u57df\u6709\u5e7f\u6cdb\u5e94\u7528\u3002\u4f8b\u5982\uff0c\u5728\u8d85\u5e02\u91cc\uff0cLoRa\u6280\u672f\u88ab\u7528\u4e8e\u98df\u7269\u76d1\u63a7\u7cfb\u7edf\u3002\u8fd9\u79cd\u7cfb\u7edf\u5229\u7528LoRa\u7684\u6269\u9891\u7279\u6027\uff0c\u53ef\u4ee5\u5b9e\u73b0\u4f4e\u529f\u8017\u3001\u9ad8\u8986\u76d6\u8303\u56f4\u7684\u6570\u636e\u4f20\u8f93\uff0c\u4ece\u800c\u63d0\u9ad8\u4e86\u4f20\u8f93\u6548\u7387\u548c\u53ef\u9760\u6027\u3002<\/p>\n\n\n\n

\u3000\u3000\u5728Simulink\u5e73\u53f0\u4e0a\uff0c\u6269\u9891\u901a\u4fe1\u7cfb\u7edf\u7684\u5efa\u6a21\u5c55\u793a\u4e86\u6269\u9891\u6280\u672f\u5982\u4f55\u63d0\u9ad8\u4fe1\u53f7\u7684\u5e26\u5bbd\u3002\u6269\u9891\u6280\u672f\u901a\u8fc7\u589e\u52a0\u4fe1\u53f7\u7684\u5e26\u5bbd\u6765\u63d0\u9ad8\u5176\u6297\u5e72\u6270\u80fd\u529b\uff0c\u8fd9\u5bf9\u4e8e\u786e\u4fdd\u6570\u636e\u4f20\u8f93\u7684\u7a33\u5b9a\u6027\u548c\u53ef\u9760\u6027\u81f3\u5173\u91cd\u8981\u3002<\/p>\n\n\n\n

\u3000\u3000\u5728\u7801\u5206\u591a\u5740(CDMA)\u7cfb\u7edf\u4e2d\uff0c\u6269\u9891\u6280\u672f\u901a\u5e38\u4e0e\u5176\u4ed6\u8c03\u5236\u6280\u672f\u76f8\u7ed3\u5408\uff0c\u4ee5\u63d0\u9ad8\u7cfb\u7edf\u7684\u6027\u80fd\u3002\u4f8b\u5982\uff0c\u6269\u9891\u6280\u672f\u53ef\u4ee5\u7528\u4e8e\u63d0\u9ad8\u7cfb\u7edf\u7684\u6297\u5e72\u6270\u80fd\u529b\u548c\u4fe1\u53f7\u7684\u5e26\u5bbd\uff0c\u4ece\u800c\u63d0\u9ad8\u6570\u636e\u4f20\u8f93\u901f\u7387\u3002<\/p>\n\n\n\n

\u3000\u3000\u65f6\u949f\u6269\u9891\u6280\u672f\u88ab\u7528\u4e8e\u884c\u8f66\u8bb0\u5f55\u4eea\u4e2d\uff0c\u4ee5\u6291\u5236\u7535\u78c1\u5e72\u6270(EMI)\u3002\u901a\u8fc7\u6269\u9891\u65f6\u949f\u4fe1\u53f7\uff0c\u53ef\u4ee5\u663e\u8457\u51cf\u5c11\u7531\u65f6\u949f\u5f15\u8d77\u7684EMI\uff0c\u4ece\u800c\u63d0\u9ad8\u8bbe\u5907\u7684\u6574\u4f53\u6027\u80fd\u548c\u7528\u6237\u4f53\u9a8c\u3002<\/p>\n\n\n\n

\u3000\u3000\u5728\u65e0\u7ebf\u5c40\u57df\u7f51(WLAN)\u7684\u7ec4\u7f51\u8bbe\u8ba1\u4e2d\uff0c\u57fa\u4e8e\u6269\u9891\u901a\u4fe1\u6280\u672f\u7684\u65b9\u6848\u53ef\u4ee5\u6709\u6548\u5730\u89e3\u51b3\u4fe1\u53f7\u5e72\u6270\u95ee\u9898\uff0c\u63d0\u9ad8\u7f51\u7edc\u7684\u8986\u76d6\u8303\u56f4\u548c\u4f20\u8f93\u901f\u7387\u3002\u8fd9\u79cd\u8bbe\u8ba1\u65b9\u6848\u901a\u8fc7\u4f18\u5316\u6269\u9891\u53c2\u6570\uff0c\u786e\u4fdd\u4e86\u6570\u636e\u4f20\u8f93\u7684\u9ad8\u6548\u6027\u548c\u7a33\u5b9a\u6027\u3002<\/p>\n\n\n\n

\u3000\u3000LoRa\u6a21\u5757\u7ed3\u5408\u4e86\u6570\u5b57\u6269\u9891\u3001\u6570\u5b57\u4fe1\u53f7\u5904\u7406\u548c\u524d\u5411\u7ea0\u9519\u7f16\u7801\u6280\u672f\uff0c\u80fd\u591f\u5b9e\u73b0\u9ad8\u6548\u7684\u6570\u636e\u4f20\u8f93\u3002<\/p>\n\n\n\n

\u3000\u3000\u8fd9\u4e9b\u6848\u4f8b\u8868\u660e\uff0c\u6269\u9891\u56e0\u5b50\u901a\u8fc7\u589e\u52a0\u4fe1\u53f7\u7684\u5e26\u5bbd\u548c\u6539\u5584\u4fe1\u53f7\u7684\u6297\u5e72\u6270\u80fd\u529b\uff0c\u5bf9\u4fe1\u53f7\u4f20\u8f93\u901f\u7387\u6709\u663e\u8457\u7684\u6b63\u9762\u5f71\u54cd\u3002<\/p>\n\n\n\n

\u3000\u3000\u4e09\u3001 \u5982\u4f55\u8c03\u6574\u6269\u9891\u56e0\u5b50\u4ee5\u4f18\u5316\u4fe1\u53f7\u8986\u76d6\u8303\u56f4<\/h2>\n\n\n\n

\u3000\u3000\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u6839\u636e\u73af\u5883\u6761\u4ef6\u8c03\u6574\u6269\u9891\u56e0\u5b50\u4ee5\u4f18\u5316\u4fe1\u53f7\u8986\u76d6\u8303\u56f4\u9700\u8981\u7efc\u5408\u8003\u8651\u591a\u4e2a\u56e0\u7d20\u3002\u4ee5\u4e0b\u662f\u8be6\u7ec6\u7684\u6b65\u9aa4\u548c\u5efa\u8bae\uff1a<\/p>\n\n\n\n

\u3000\u30001. \u8bc4\u4f30\u901a\u4fe1\u8ddd\u79bb\u548c\u73af\u5883<\/strong>\uff1a<\/h3>\n\n\n\n

\u3000\u3000\u9996\u5148\uff0c\u9700\u8981\u8bc4\u4f30\u901a\u4fe1\u8ddd\u79bb\u548c\u73af\u5883\u6761\u4ef6\u3002\u4e0d\u540c\u7684\u6269\u9891\u56e0\u5b50\u5bf9\u5e94\u4e0d\u540c\u7684\u8c03\u5236\u65b9\u5f0f\u548c\u5e26\u5bbd\uff0c\u56e0\u6b64\u9009\u62e9\u5408\u9002\u7684\u6269\u9891\u56e0\u5b50\u9700\u8981\u7efc\u5408\u8003\u8651\u901a\u4fe1\u8ddd\u79bb\u3001\u901a\u4fe1\u73af\u5883\u548c\u6570\u636e\u4f20\u8f93\u901f\u7387\u3002<\/p>\n\n\n\n

\u3000\u3000\u73af\u5883\u4e2d\u7684\u969c\u788d\u7269\u5982\u5899\u58c1\u3001\u5bb6\u5177\u3001\u91d1\u5c5e\u7269\u4f53\u7b49\u90fd\u4f1a\u5bf9\u4fe1\u53f7\u4f20\u8f93\u4ea7\u751f\u963b\u788d\uff0c\u56e0\u6b64\u5728\u9009\u62e9\u7f51\u5173\u5b89\u88c5\u4f4d\u7f6e\u65f6\uff0c\u9700\u8981\u5145\u5206\u8003\u8651\u8fd9\u4e9b\u56e0\u7d20\u3002<\/p>\n\n\n\n

\u3000\u30002. \u4f7f\u7528\u667a\u80fd\u7b97\u6cd5\u548c\u6ce2\u675f\u8d4b\u5f62\u6280\u672f<\/strong>\uff1a<\/h3>\n\n\n\n

\u3000\u3000\u901a\u8fc7\u5f15\u5165\u5148\u8fdb\u7684\u6ce2\u675f\u8d4b\u5f62\u6280\u672f\u548c\u667a\u80fd\u7b97\u6cd5\uff0c\u7ec8\u7aef\u5929\u7ebf\u53ef\u4ee5\u5b9e\u65f6\u611f\u77e5\u5468\u56f4\u73af\u5883\u7684\u53d8\u5316\uff0c\u5e76\u81ea\u52a8\u8c03\u6574\u5176\u8f90\u5c04\u6a21\u5f0f\u548c\u529f\u7387\u5206\u914d\uff0c\u4ee5\u4f18\u5316\u901a\u4fe1\u6027\u80fd\u548c\u8986\u76d6\u8303\u56f4\u3002<\/p>\n\n\n\n

\u3000\u3000\u8fd9\u4e9b\u6280\u672f\u53ef\u4ee5\u5e2e\u52a9\u7cfb\u7edf\u66f4\u597d\u5730\u9002\u5e94\u590d\u6742\u7684\u73af\u5883\u6761\u4ef6\uff0c\u5982\u53cd\u5c04\u3001\u884d\u5c04\u548c\u6298\u5c04\u7b49\u73b0\u8c61\u3002<\/p>\n\n\n\n

\u3000\u30003. \u4f18\u5316\u5929\u7ebf\u8bbe\u8ba1\u4e0e\u90e8\u7f72<\/strong>\uff1a<\/h3>\n\n\n\n

\u3000\u3000\u9009\u62e9\u5408\u9002\u7684\u5929\u7ebf\u7c7b\u578b\u548c\u5e03\u5c40\u65b9\u5f0f\uff0c\u4ee5\u63d0\u9ad8\u4fe1\u53f7\u8986\u76d6\u8303\u56f4\u548c\u7a7f\u900f\u80fd\u529b\u3002\u591a\u5929\u7ebf\u6280\u672f\u548c\u6ce2\u675f\u6210\u5f62\u6280\u672f\u53ef\u4ee5\u663e\u8457\u63d0\u9ad8\u4fe1\u53f7\u4f20\u8f93\u6548\u7387\u548c\u53ef\u9760\u6027\u3002<\/p>\n\n\n\n

\u3000\u3000\u5bf9\u4e8eZigbee\u901a\u4fe1\u7cfb\u7edf\uff0c\u53ef\u4ee5\u901a\u8fc7\u5bf9\u4fe1\u53f7\u653e\u5927\u4e0e\u529f\u7387\u63a7\u5236\u6280\u672f\u3001\u5929\u7ebf\u8bbe\u8ba1\u4e0e\u90e8\u7f72\u4f18\u5316\u3001\u591a\u5f84\u4f20\u64ad\u4e0e\u4fe1\u9053\u7ba1\u7406\u6280\u672f\u7b49\u65b9\u9762\u7684\u6df1\u5165\u7814\u7a76\uff0c\u63d0\u51fa\u4e00\u7cfb\u5217\u6709\u6548\u7684\u4f18\u5316\u7b56\u7565\u3002<\/p>\n\n\n\n

\u3000\u30004. \u589e\u52a0\u57fa\u7ad9\u5bc6\u5ea6\u548c\u4f7f\u7528\u4fe1\u53f7\u4e2d\u7ee7\u5668<\/strong>\uff1a<\/h3>\n\n\n\n

\u3000\u3000\u9488\u5bf9NB-IoT\u7f51\u7edc\u8986\u76d6\u8303\u56f4\u9650\u5236\uff0c\u53ef\u4ee5\u901a\u8fc7\u589e\u52a0\u57fa\u7ad9\u5bc6\u5ea6\u3001\u4f7f\u7528\u4fe1\u53f7\u4e2d\u7ee7\u5668\u3001\u4f18\u5316\u7f51\u7edc\u89c4\u5212\u3001\u91c7\u7528\u591a\u901a\u4fe1\u6280\u672f\u3001\u5f15\u5165\u5b9a\u4f4d\u6280\u672f\u7b49\u65b9\u5f0f\u6765\u63d0\u9ad8\u7f51\u7edc\u8986\u76d6\u8303\u56f4\uff0c\u786e\u4fdd\u7269\u8054\u7f51\u8bbe\u5907\u7684\u6b63\u5e38\u8fd0\u884c\u3002<\/p>\n\n\n\n

\u3000\u30005. \u8c03\u6574\u6269\u9891\u56e0\u5b50<\/strong>\uff1a<\/h3>\n\n\n\n

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