{"id":99358,"date":"2024-11-18T16:45:52","date_gmt":"2024-11-18T08:45:52","guid":{"rendered":"\/\/www.viralrail.com\/?p=99358"},"modified":"2024-11-18T16:45:56","modified_gmt":"2024-11-18T08:45:56","slug":"lmkpzrjzmy","status":"publish","type":"post","link":"\/\/www.viralrail.com\/blog\/99358.html","title":{"rendered":"LoRa\u6a21\u5757\u914d\u7f6e\u8f6f\u4ef6\u600e\u4e48\u7528"},"content":{"rendered":"\n
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\u3000\u3000\u5982\u679c\u662f\u79c1\u6709\u534f\u8bae\u7684LoRa\u6a21\u5757\u4e4b\u95f4\u901a\u4fe1\u5931\u8d25\uff0c\u53ef\u80fd\u9700\u8981\u64e6\u9664\u81ea\u5e26\u56fa\u4ef6\u5e76\u70e7\u5f55\u65b0\u7684\u56fa\u4ef6\u3002<\/p>\n\n\n\n \u3000\u3000LoRa\u6a21\u5757\u53c2\u6570\u8bbe\u7f6e\u7684\u6700\u4f73\u5b9e\u8df5\u6d89\u53ca\u591a\u4e2a\u65b9\u9762\uff0c\u5305\u62ec\u6269\u5c55\u56e0\u5b50(SF)\u3001\u5e26\u5bbd(BW)\u3001\u7f16\u7801\u7387(CR)\u548c\u4f20\u8f93\u529f\u7387(TP)\u7b49\u5173\u952e\u53c2\u6570\u7684\u9009\u62e9\u3002\u8fd9\u4e9b\u53c2\u6570\u7684\u4f18\u5316\u914d\u7f6e\u5bf9\u7f51\u7edc\u6027\u80fd\u548c\u8bbe\u5907\u7535\u6c60\u5bff\u547d\u6709\u663e\u8457\u5f71\u54cd\u3002\u4ee5\u4e0b\u662f\u8be6\u7ec6\u7684\u6700\u4f73\u5b9e\u8df5\uff1a<\/p>\n\n\n\n \u3000\u3000\u6269\u5c55\u56e0\u5b50\u51b3\u5b9a\u4e86\u6bcf\u4e2a\u7b26\u53f7\u4e2d\u7f16\u7801\u7684\u6bd4\u7279\u6570\uff0cSF\u503c\u8303\u56f4\u4ece7\u523012.\u9ad8SF\u503c(\u5982SF 12)\u53ef\u4ee5\u63d0\u9ad8\u4fe1\u53f7\u5f3a\u5ea6\u548c\u8986\u76d6\u8303\u56f4\uff0c\u4f46\u4f1a\u964d\u4f4e\u6570\u636e\u901f\u7387\u548c\u589e\u52a0\u7a7a\u95f2\u65f6\u95f4;\u4f4eSF\u503c(\u5982SF 7)\u5219\u76f8\u53cd\u3002<\/p>\n\n\n\n \u3000\u3000\u5728\u77ed\u8ddd\u79bb\u5185\uff0c\u8f83\u4f4e\u7684SF(\u5982SF 7)\u53ef\u80fd\u66f4\u8282\u80fd\uff0c\u800c\u5728\u957f\u8ddd\u79bb\u4f20\u8f93\u65f6\uff0c\u4f7f\u7528\u8f83\u9ad8\u7684SF(\u5982SF 8\u81f3SF 12)\u53ef\u80fd\u66f4\u6709\u6548\u3002<\/p>\n\n\n\n \u3000\u3000\u5e26\u5bbd\u51b3\u5b9a\u4e86LoRa\u4fe1\u53f7\u7684\u9891\u7387\u8303\u56f4\uff0c\u5e38\u89c1\u7684\u5e26\u5bbd\u6709125 kHz\u3001250 kHz\u548c500 kHz\u3002\u9ad8BW\u503c\u63d0\u4f9b\u66f4\u9ad8\u7684\u6570\u636e\u901f\u7387\uff0c\u4f46\u4f1a\u964d\u4f4e\u7075\u654f\u5ea6;\u4f4eBW\u503c\u5219\u63d0\u4f9b\u66f4\u597d\u7684\u7075\u654f\u5ea6\uff0c\u4f46\u6570\u636e\u901f\u7387\u8f83\u4f4e\u3002<\/p>\n\n\n\n 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\u3000\u3000LoRaWAN\u7f51\u7edc\u4e2d\uff0c\u4f20\u8f93\u6570\u636e\u5305\u6240\u9700\u7684\u529f\u7387\u662f\u53ef\u8c03\u7684\u3002\u964d\u4f4e\u4f20\u8f93\u529f\u7387\u53ef\u4ee5\u8282\u7701\u7535\u6c60\u5bff\u547d\uff0c\u4f46\u4f1a\u7f29\u77ed\u4fe1\u53f7\u8303\u56f4;\u53cd\u4e4b\u4ea6\u7136\u3002TP\u53ef\u8c03\u8303\u56f4\u4e3a-4 dBm\u81f320 dBm\uff0c\u4ee51 dB\u4e3a\u5355\u4f4d\u8c03\u6574\u3002<\/p>\n\n\n\n \u3000\u3000\u6839\u636e\u5b9e\u9645\u5e94\u7528\u9700\u6c42\u8c03\u6574TP\uff0c\u4ee5\u5e73\u8861\u4fe1\u53f7\u8986\u76d6\u8303\u56f4\u548c\u7535\u6c60\u5bff\u547d\u3002<\/p>\n\n\n\n \u3000\u3000\u4fe1\u9053\u9009\u62e9<\/strong>\uff1aLoRa\u6a21\u5757\u901a\u5e38\u652f\u6301\u591a\u4e2a\u4fe1\u9053\u9009\u62e9\u65b9\u5f0f\uff0c\u5982\u62e8\u7801\u5f00\u5173\u6216\u8f6f\u4ef6\u8bbe\u7f6e\u3002\u786e\u4fdd\u5728\u540c\u4e00\u901a\u4fe1\u7f51\u7edc\u4e2d\u6240\u6709\u8bbe\u5907\u7684LoRa\u53c2\u6570\u4e00\u81f4\u3002<\/p>\n\n\n\n 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\u3000\u3000\u539f\u56e0<\/strong>\uff1a\u8282\u70b9\u4e0e\u7f51\u5173\u7684\u53c2\u6570\u914d\u7f6e\u4e0d\u4e00\u81f4\u3002<\/p>\n\n\n\n \u3000\u3000\u89e3\u51b3\u65b9\u6cd5<\/strong>\uff1a\u8c03\u6574\u8282\u70b9\u4e0e\u7f51\u5173\u7684\u53c2\u6570\u8bbe\u7f6e\uff0c\u786e\u4fdd\u53cc\u65b9\u53c2\u6570\u4e00\u81f4\u3002<\/p>\n\n\n\n \u3000\u3000\u539f\u56e0<\/strong>\uff1a\u56fa\u4ef6\u7248\u672c\u4e0d\u517c\u5bb9\u6216\u5347\u7ea7\u8fc7\u7a0b\u4e2d\u51fa\u73b0\u9519\u8bef\u3002<\/p>\n\n\n\n \u3000\u3000\u89e3\u51b3\u65b9\u6cd5<\/strong>\uff1a\u9009\u62e9\u6b63\u786e\u7684\u56fa\u4ef6\u6587\u4ef6\u8fdb\u884c\u5347\u7ea7\uff0c\u5e76\u786e\u4fdd\u5347\u7ea7\u8fc7\u7a0b\u4e2d\u7684\u7f51\u7edc\u8fde\u63a5\u7a33\u5b9a\u3002<\/p>\n\n\n\n \u3000\u3000\u539f\u56e0<\/strong>\uff1a\u53ef\u80fd\u7531\u4e8e\u786c\u4ef6\u95ee\u9898\u6216\u914d\u7f6e\u4e0d\u5f53\u3002<\/p>\n\n\n\n \u3000\u3000\u89e3\u51b3\u65b9\u6cd5<\/strong>\uff1a\u68c0\u67e5\u786c\u4ef6\u8fde\u63a5\u662f\u5426\u6b63\u786e\uff0c\u8c03\u6574RF power\u5bc4\u5b58\u5668\u4ee5\u5c06\u8f93\u51fa\u529f\u7387\u8bbe\u7f6e\u4e3a\u6700\u592720dBm\u3002<\/p>\n\n\n\n \u3000\u3000\u539f\u56e0<\/strong>\uff1aCAD\u6a21\u5f0f\u914d\u7f6e\u4e0d\u5f53\u3002<\/p>\n\n\n\n \u3000\u3000\u89e3\u51b3\u65b9\u6cd5<\/strong>\uff1a\u6309\u7167CAD\u6a21\u5f0f\u7684\u914d\u7f6e\u6b65\u9aa4\u8fdb\u884c\u8bbe\u7f6e\uff0c\u786e\u4fddCAD\u6a21\u5f0f\u80fd\u591f\u6b63\u786e\u68c0\u6d4b\u4fe1\u9053\u6d3b\u52a8\u3002<\/p>\n\n\n\n \u3000\u3000\u539f\u56e0<\/strong>\uff1a\u5373\u4f7f\u5faa\u73af\u5197\u4f59\u6821\u9a8c(CRC)\u9519\u8bef\uff0c\u6709\u6548\u8f7d\u8377\u4e5f\u4f1a\u6dfb\u52a0\u5230FIFO\u4e2d\u3002<\/p>\n\n\n\n \u3000\u3000\u89e3\u51b3\u65b9\u6cd5<\/strong>\uff1a\u68c0\u67e5PayloadCrcError\u4f4d\u4ee5\u786e\u5b9a\u6570\u636e\u5305\u7684\u5b8c\u6574\u6027\uff0c\u5e76\u5728\u5fc5\u8981\u65f6\u91cd\u65b0\u53d1\u9001\u6570\u636e\u5305\u3002<\/p>\n\n\n\n \u3000\u3000\u539f\u56e0<\/strong>\uff1a\u4fe1\u9053\u9891\u7387\u548c\u6269\u9891\u56e0\u5b50\u8bbe\u7f6e\u4e0d\u5f53\u4f1a\u5f71\u54cd\u4f20\u8f93\u901f\u5ea6\u548c\u6297\u5e72\u6270\u80fd\u529b\u3002<\/p>\n\n\n\n \u3000\u3000\u89e3\u51b3\u65b9\u6cd5<\/strong>\uff1a\u6839\u636e\u5177\u4f53\u5e94\u7528\u573a\u666f\u9009\u62e9\u5408\u9002\u7684\u4fe1\u9053\u9891\u7387\u548c\u6269\u9891\u56e0\u5b50\uff0c\u4f8b\u5982\u5728\u9700\u8981\u77ed\u8f6e\u8be2\u65f6\u95f4\u7684\u573a\u666f\u4e2d\u9009\u62e9SF07\u6269\u9891\u56e0\u5b50\u3002<\/p>\n\n\n\n \u3000\u3000LoRa\u6a21\u5757\u7684\u6027\u80fd\u6d4b\u8bd5\u548c\u9a8c\u8bc1\u662f\u4e00\u4e2a\u590d\u6742\u7684\u8fc7\u7a0b\uff0c\u6d89\u53ca\u591a\u4e2a\u6b65\u9aa4\u548c\u5de5\u5177\u3002\u4ee5\u4e0b\u662f\u57fa\u4e8e\u6211\u641c\u7d22\u5230\u7684\u8d44\u6599\u8fdb\u884cLoRa\u6a21\u5757\u6027\u80fd\u6d4b\u8bd5\u548c\u9a8c\u8bc1\u7684\u8be6\u7ec6\u65b9\u6cd5\uff1a<\/p>\n\n\n\n \u3000\u3000\u9996\u5148\uff0c\u9700\u8981\u5c06LoRa\u6a21\u5757\u8fdb\u5165TEST\u6a21\u5f0f\uff0c\u7136\u540e\u67e5\u8be2\u548c\u8bbe\u7f6eRF\u914d\u7f6e\u3002<\/p>\n\n\n\n \u3000\u3000\u4f7f\u7528\u77e2\u91cf\u4fe1\u53f7\u6e90\u548c\u5b9e\u65f6\u9891\u8c31\u5206\u6790\u4eea\u6765\u5b8c\u6210LoRa\u7cfb\u7edf\u7684\u8bbe\u8ba1\u9a8c\u8bc1\uff0c\u8fd9\u7b26\u5408Semtech\u7684LoRa\u6807\u51c6\u3002<\/p>\n\n\n\n \u3000\u3000\u5728\u8fdb\u5165TEST\u6a21\u5f0f\u540e\uff0c\u53d1\u9001\u548c\u63a5\u6536LoRa\u6570\u636e\u5305\u4ee5\u5c55\u793a\u8fde\u7eed\u6ce2\u548c\u8fde\u7eedLoRa\u6a21\u5f0f\u4e0b\u7684\u6027\u80fd\u3002<\/p>\n\n\n\n \u3000\u3000\u4f7f\u7528Uart assistant\u8f6f\u4ef6\u901a\u8fc7LoRa\u53d1\u5c04\u5668\u53d1\u9001Modbus\u534f\u8bae\u683c\u5f0f\u7684\u547d\u4ee4\uff0c\u5e76\u9a8c\u8bc1\u6a21\u5757\u5728\u4e0d\u540c\u53d1\u5c04\u529f\u7387\u548c\u7a7a\u6c14\u901f\u7387\u4e0b\u7684\u6027\u80fd\u3002<\/p>\n\n\n\n \u3000\u3000\u4f7f\u752840dB\u8870\u51cf\u5668\u3001\u6b65\u8fdb\u8870\u51cf\u5668\u3001\u5c4f\u853d\u7bb1\u7b49\u5de5\u5177\u8fdb\u884c\u7075\u654f\u5ea6\u6d4b\u91cf\u3002\u9010\u6b65\u63d0\u9ad8\u6b65\u8fdb\u8870\u51cf\u5668\u7684\u8870\u51cf\u91cf\uff0c\u76f4\u5230\u63a5\u6536\u7aef\u7684\u4fe1\u53f7\u8bef\u7801\u7387\u8fbe\u52301%\u3002\u8ba1\u7b97\u63a5\u6536\u7075\u654f\u5ea6Prs = Po1 \u2013 Atten\u3002<\/p>\n\n\n\n \u3000\u3000\u9009\u62e9\u5408\u9002\u7684\u7f51\u7edc\u6a21\u62df\u5668(\u5982OMNeT++\u3001LoRaSim\u548cNS-3)\uff0c\u5728Linux Ubuntu\u5e73\u53f0\u4e0a\u5b89\u88c5\u5e76\u8fd0\u884c\u8fd9\u4e9b\u6a21\u62df\u5668\u3002<\/p>\n\n\n\n \u3000\u3000\u8bbe\u8ba1\u5b9e\u9a8c\u573a\u666f\uff0c\u5305\u62ec\u591a\u4e2a\u611f\u77e5\u8282\u70b9\u548c\u6267\u884c\u5668\uff0c\u8bc4\u4f30\u6570\u636e\u5305\u4ea4\u4ed8\u7387(PDR)\u3001CPU\u5229\u7528\u7387\u3001\u5185\u5b58\u4f7f\u7528\u91cf\u3001\u6267\u884c\u65f6\u95f4\u548c\u78b0\u649e\u7b49\u6307\u6807\u3002<\/p>\n\n\n\n \u3000\u3000\u5728\u5b9e\u9645\u529e\u516c\u5927\u697c\u5185\u8fdb\u884c\u5b9e\u9a8c\uff0c\u4f7f\u7528\u516b\u4e2a\u63a5\u6536LoRa\u6a21\u5757\u6d4b\u8bd5\u4e0d\u540c\u697c\u5c42\u548c\u8ddd\u79bb\u4e0b\u7684\u6a21\u5757\u6027\u80fd\u3002\u5173\u6ce8\u5ba4\u5185\u73af\u5883\u4e0b\u7684LoRaWAN\u6027\u80fd\u548c\u9650\u5236\u3002<\/p>\n\n\n\n \u3000\u3000\u4f7f\u7528Arduino UNO\u8bbe\u5907\u4f5c\u4e3a\u7ec8\u7aef\u8bbe\u5907\uff0c\u8fde\u63a5\u5230LoRa\u5c4f\u853d\u677f\u548c\u7f51\u5173\uff0c\u6d4b\u8bd5\u5f80\u8fd4\u65f6\u95f4\u3001\u6570\u636e\u5305\u4e22\u5931\u3001\u4fe1\u53f7\u5f3a\u5ea6\u548c\u8986\u76d6\u8303\u56f4\u3002<\/p>\n\n\n\n \u3000\u3000\u5c06SCADA\u7cfb\u7edf\u4e0e\u653e\u7f6e\u5728\u4e0d\u540c\u4f4d\u7f6e\u7684\u4e24\u4e2aLoRa\u8282\u70b9\u96c6\u6210\uff0c\u6d4b\u8bd5\u901a\u4fe1\u8ddd\u79bb\u548c\u6570\u636e\u6536\u96c6\u80fd\u529b\u3002<\/p>\n\n\n\n \u3000\u3000\u4f7f\u7528Modbus\u534f\u8bae\u63a5\u6536\u6765\u81eaLoRa\u8282\u70b9\u7684\u6570\u636e\uff0c\u5e76\u901a\u8fc7HMI\u663e\u793a\u3002<\/p>\n\n\n\n \u3000\u3000\u6784\u5efaLoRa\u6d4b\u8bd5\u5e8a\uff0c\u4f7f\u7528\u5f00\u6e90\u786c\u4ef6\u5982Raspberry Pi\u548cArduino\u5b9e\u73b0\u8bbe\u5907\u548c\u7f51\u5173\u7684\u6570\u636e\u4f20\u8f93\u6d4b\u8bd5\u3002<\/p>\n\n\n\n \u3000\u3000\u4f7f\u7528\u76f8\u540c\u7684\u6269\u9891\u56e0\u5b50\u8fdb\u884c\u6570\u636e\u5305\u4f20\u8f93\u6d4b\u8bd5\uff0c\u786e\u4fdd\u8bbe\u5907\u5411\u7f51\u5173\u6b63\u786e\u4f20\u8f93\u6570\u636e\u3002<\/p>\n\n\n\n \u3000\u3000\u5bf9\u4f20\u611f\u5668\u8fdb\u884c\u7535\u6d41\u6d4b\u91cf\u8bef\u5dee\u5206\u6790\uff0c\u8ba1\u7b97\u516c\u5f0f\u4e3a% error = (multimeter reading – sensor reading) x 100%\u3002<\/p>\n\n\n\n \u3000\u3000\u6d4b\u8bd5LoRa\u6a21\u5757\u7684\u901a\u4fe1\u80fd\u529b\uff0c\u901a\u8fc7\u4ece\u7f51\u5173\u53d1\u9001\u6d88\u606f\u5230LoRa\u8282\u70b9\uff0c\u5e76\u7531\u8282\u70b9\u56de\u590d\u5e76\u88ab\u7f51\u5173\u63a5\u6536\uff0c\u6d4b\u8bd5\u6210\u529f\u7387\u4e3a100%\u3002<\/p>\n\n\n\n \u3000\u3000\u5728Suburban\u5730\u533a\u8fdb\u884c\u7cfb\u7edf\u6027\u80fd\u6d4b\u8bd5\uff0c\u8bc4\u4f30\u6700\u5927\u901a\u4fe1\u8ddd\u79bb\u548c\u54cd\u5e94\u65f6\u95f4\u3002\u6240\u6709\u5c1d\u8bd5\u90fd\u6210\u529f\u89e6\u53d1\u4e86\u8b66\u62a5\u58f0\uff0c\u54cd\u5e94\u65f6\u95f4\u5e73\u5747\u4e3a0.45\u79d2\u3002<\/p>\n","protected":false},"excerpt":{"rendered":" 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LoRa\u6a21\u5757\u914d\u7f6e\u8f6f\u4ef6\u64cd\u4f5c\u6b65\u9aa4:<\/h2>\n\n\n\n
\u3000\u30001. \u4e86\u89e3\u8f6f\u4ef6\u7a0b\u5e8f<\/strong>\uff1a<\/h3>\n\n\n\n
\u3000\u30002. \u4e0b\u8f7d\u548c\u5b89\u88c5\u8f6f\u4ef6<\/strong>\uff1a<\/h3>\n\n\n\n
\u3000\u30003. \u8fde\u63a5LoRa\u6a21\u5757<\/strong>\uff1a<\/h3>\n\n\n\n
\u3000\u30004. \u6253\u5f00\u914d\u7f6e\u8f6f\u4ef6<\/strong>\uff1a<\/h3>\n\n\n\n
\u3000\u30005. \u914d\u7f6eLoRa\u6a21\u5757\u53c2\u6570<\/strong>\uff1a<\/h3>\n\n\n\n
\u3000\u30006. \u7f51\u7edc\u8fde\u63a5\u914d\u7f6e<\/strong>\uff1a<\/h3>\n\n\n\n
\u3000\u30007. \u6d4b\u8bd5\u548c\u9a8c\u8bc1\u914d\u7f6e<\/strong>\uff1a<\/h3>\n\n\n\n
\u3000\u3000\u4e8c\u3001 LoRa\u6a21\u5757\u914d\u7f6e\u8f6f\u4ef6\u6709\u54ea\u4e9b\u63a8\u8350?<\/h2>\n\n\n\n
\u3000\u3000\u4e09\u3001 LoRa\u6a21\u5757\u4e0e\u8ba1\u7b97\u673a\u8fde\u63a5\u5931\u8d25\u7684\u95ee\u9898?<\/h2>\n\n\n\n
\u3000\u30001. \u68c0\u67e5\u7269\u7406\u8fde\u63a5<\/strong>\uff1a<\/h3>\n\n\n\n
\u3000\u30002. \u68c0\u67e5\u4e32\u53e3\u53c2\u6570<\/strong>\uff1a<\/h3>\n\n\n\n
\u3000\u30003. \u8f6f\u4ef6\u5b89\u88c5\u4e0e\u914d\u7f6e<\/strong>\uff1a<\/h3>\n\n\n\n
\u3000\u30004. \u7f51\u7edc\u8bbe\u7f6e<\/strong>\uff1a<\/h3>\n\n\n\n
\u3000\u30005. \u56fa\u4ef6\u5347\u7ea7<\/strong>\uff1a<\/h3>\n\n\n\n
\u3000\u30006. \u786c\u4ef6\u68c0\u67e5<\/strong>\uff1a<\/h3>\n\n\n\n
\u3000\u30007. \u5176\u4ed6\u5e38\u89c1\u95ee\u9898<\/strong>\uff1a<\/h3>\n\n\n\n
\u3000\u3000\u56db\u3001 LoRa\u6a21\u5757\u53c2\u6570\u8bbe\u7f6e\u7684\u6700\u4f73\u5b9e\u8df5\u662f\u4ec0\u4e48?<\/h2>\n\n\n\n
\u3000\u30001. \u6269\u5c55\u56e0\u5b50\uff08SF\uff09<\/strong>\uff1a<\/h3>\n\n\n\n
\u3000\u30002. \u5e26\u5bbd\uff08BW\uff09<\/strong>\uff1a<\/h3>\n\n\n\n
\u3000\u30003. \u7f16\u7801\u7387\uff08CR\uff09<\/strong>\uff1a<\/h3>\n\n\n\n
\u3000\u30004. \u4f20\u8f93\u529f\u7387\uff08TP\uff09<\/strong>\uff1a<\/h3>\n\n\n\n
\u3000\u30005. \u5176\u4ed6\u53c2\u6570<\/strong>\uff1a<\/h3>\n\n\n\n
\u3000\u30006. \u914d\u7f6e\u6b65\u9aa4<\/strong>\uff1a<\/h3>\n\n\n\n
\u3000\u3000\u4e94\u3001 LoRa\u7f51\u7edc\u8fde\u63a5\u914d\u7f6e\u4e2d\u5e38\u89c1\u7684\u95ee\u9898\u53ca\u89e3\u51b3\u65b9\u6848\u6709\u54ea\u4e9b?<\/h2>\n\n\n\n
\u3000\u30001. \u8282\u70b9\u65e0\u6cd5\u5165\u7f51<\/strong>\uff1a<\/h3>\n\n\n\n
\u3000\u30002. \u7f51\u5173\u65e0\u6cd5\u8fde\u63a5\u670d\u52a1\u5668<\/strong>\uff1a<\/h3>\n\n\n\n
\u3000\u30003. \u8282\u70b9\u4e0e\u7f51\u5173\u53c2\u6570\u4e0d\u4e00\u81f4<\/strong>\uff1a<\/h3>\n\n\n\n
\u3000\u30004. \u56fa\u4ef6\u5347\u7ea7\u5931\u8d25<\/strong>\uff1a<\/h3>\n\n\n\n
\u3000\u30005. \u8f93\u51fa\u529f\u7387\u8fbe\u4e0d\u523020dBm<\/strong>\uff1a<\/h3>\n\n\n\n
\u3000\u30006. \u4fe1\u9053\u6d3b\u52a8\u68c0\u6d4b\uff08CAD\uff09\u6a21\u5f0f\u95ee\u9898<\/strong>\uff1a<\/h3>\n\n\n\n
\u3000\u30007. \u6570\u636e\u5305\u5b8c\u6574\u6027\u95ee\u9898<\/strong>\uff1a<\/h3>\n\n\n\n
\u3000\u30008. \u4fe1\u9053\u9891\u7387\u548c\u6269\u9891\u56e0\u5b50\u8bbe\u7f6e\u4e0d\u5f53<\/strong>\uff1a<\/h3>\n\n\n\n
\u3000\u3000\u516d\u3001 LoRa\u6a21\u5757\u7684\u6027\u80fd\u6d4b\u8bd5\u548c\u9a8c\u8bc1?<\/h2>\n\n\n\n
\u3000\u30001. \u8fdb\u5165TEST\u6a21\u5f0f\u5e76\u914d\u7f6eRF\u53c2\u6570<\/strong>\uff1a<\/h3>\n\n\n\n
\u3000\u30002. \u53d1\u9001\u548c\u63a5\u6536LoRa\u6570\u636e\u5305<\/strong>\uff1a<\/h3>\n\n\n\n
\u3000\u30003. \u7075\u654f\u5ea6\u6d4b\u8bd5<\/strong>\uff1a<\/h3>\n\n\n\n
\u3000\u30004. \u7f51\u7edc\u6a21\u62df\u5668\u8bc4\u4f30<\/strong>\uff1a<\/h3>\n\n\n\n
\u3000\u30005. \u5b9e\u9645\u73af\u5883\u6d4b\u8bd5<\/strong>\uff1a<\/h3>\n\n\n\n
\u3000\u30006. \u7cfb\u7edf\u96c6\u6210\u6d4b\u8bd5<\/strong>\uff1a<\/h3>\n\n\n\n
\u3000\u30007. \u53ef\u9760\u6027\u6d4b\u8bd5<\/strong>\uff1a<\/h3>\n\n\n\n
\u3000\u30008. \u7535\u6d41\u6d4b\u91cf\u8bef\u5dee\u5206\u6790<\/strong>\uff1a<\/h3>\n\n\n\n
\u3000\u30009. \u7cfb\u7edf\u6027\u80fd\u6d4b\u8bd5<\/strong>\uff1a<\/h3>\n\n\n\n