{"id":100134,"date":"2024-12-30T09:40:12","date_gmt":"2024-12-30T01:40:12","guid":{"rendered":"https:\/\/www.techphant.cn\/?p=100134"},"modified":"2024-12-30T09:40:15","modified_gmt":"2024-12-30T01:40:15","slug":"lsqcsjlsds","status":"publish","type":"post","link":"https:\/\/www.techphant.cn\/blog\/100134.html","title":{"rendered":"LoRa\u5c71\u533a\u4f20\u8f93\u8ddd\u79bb\u662f\u591a\u5c11\uff1f"},"content":{"rendered":"\n

\u3000\u3000LoRa<\/a><\/strong>\u5728\u5c71\u533a\u7684\u4f20\u8f93\u8ddd\u79bb\u901a\u5e38\u53d7\u5230\u5730\u5f62\u3001\u5929\u7ebf\u9ad8\u5ea6\u3001\u9891\u7387\u3001\u53d1\u5c04\u529f\u7387\u3001\u63a5\u6536\u7075\u654f\u5ea6\u7b49\u591a\u79cd\u56e0\u7d20\u7684\u5f71\u54cd\u3002\u4ee5\u4e0b\u662f\u5bf9LoRa\u5728\u5c71\u533a\u4f20\u8f93\u8ddd\u79bb\u7684\u603b\u7ed3\uff1a<\/p>\n\n\n\n

\u3000\u3000\u7406\u60f3\u6761\u4ef6\u4e0b\u7684\u4f20\u8f93\u8ddd\u79bb<\/strong><\/p>\n\n\n\n

\u3000\u3000\u5728\u5f00\u9614\u5c71\u533a(\u89c6\u8ddd\u4f20\u64ad\uff0c\u51e0\u4e4e\u65e0\u969c\u788d\u7269)\u4e2d\uff0cLoRa\u7684\u4f20\u8f93\u8ddd\u79bb\u53ef\u4ee5\u8fbe\u523010-15\u516c\u91cc\uff0c\u751a\u81f3\u66f4\u8fdc\u3002\u8fd9\u5f97\u76ca\u4e8eLoRa\u7684CSS(Chirp Spread Spectrum)\u8c03\u5236\u6280\u672f\u548c\u9ad8\u7075\u654f\u5ea6\u7684\u63a5\u6536\u5668\u3002\u4f8b\u5982\uff0c\u5728\u5c71\u9876\u90e8\u7f72\u7f51\u5173\u5929\u7ebf\uff0c\u6d4b\u8bd5\u70b9\u6cbf\u76f4\u7ebf\u8def\u5f84\u65e0\u660e\u663e\u906e\u6321\u65f6\uff0c\u4f20\u8f93\u8ddd\u79bb\u53ef\u8fbe15-20\u516c\u91cc\u3002<\/p>\n\n\n\n

\u3000\u3000\u53d7\u906e\u6321\u6761\u4ef6\u4e0b\u7684\u4f20\u8f93\u8ddd\u79bb<\/strong><\/p>\n\n\n\n

\u3000\u3000\u5982\u679c\u5c71\u533a\u5b58\u5728\u906e\u6321(\u5982\u5c71\u4f53\u3001\u68ee\u6797\u7b49)\uff0c\u4fe1\u53f7\u53ef\u80fd\u4f1a\u56e0\u5730\u5f62\u963b\u6321\u800c\u5927\u5e45\u8870\u51cf\u3002\u5178\u578b\u4f20\u8f93\u8ddd\u79bb\u4e3a3-10\u516c\u91cc\uff0c\u5177\u4f53\u53d6\u51b3\u4e8e\u969c\u788d\u7269\u7c7b\u578b\u548c\u9891\u7387\u9009\u62e9\u3002\u4f8b\u5982\uff0c\u8f83\u4f4e\u9891\u6bb5(\u5982433 MHz)\u7684\u7a7f\u900f\u80fd\u529b\u66f4\u5f3a\uff0c\u9002\u5408\u9ad8\u906e\u6321\u533a\u57df;\u800c\u8f83\u9ad8\u9891\u6bb5(\u5982868 MHz\u6216915 MHz)\u5219\u9002\u5408\u5f00\u9614\u533a\u57df\u3002<\/p>\n\n\n\n

\u3000\u3000\u5929\u7ebf\u4f18\u5316\u5bf9\u4f20\u8f93\u8ddd\u79bb\u7684\u5f71\u54cd<\/strong><\/p>\n\n\n\n

\u3000\u3000\u5728\u5c71\u533a\u5e94\u7528\u4e2d\uff0c\u5929\u7ebf\u9ad8\u5ea6\u548c\u6027\u80fd\u7684\u4f18\u5316\u53ef\u4ee5\u663e\u8457\u589e\u52a0\u4f20\u8f93\u8ddd\u79bb\u3002\u4f8b\u5982\uff0c\u4f7f\u7528\u9ad8\u589e\u76ca\u5929\u7ebf(\u59826-9 dBi)\uff0c\u5e76\u5c06\u5929\u7ebf\u90e8\u7f72\u5728\u5c71\u9876\u3001\u9ad8\u5854\u6216\u5efa\u7b51\u7269\u9876\u90e8\uff0c\u53ef\u4ee5\u51cf\u5c11\u969c\u788d\u7269\u5e72\u6270\uff0c\u4ece\u800c\u63d0\u5347\u4fe1\u53f7\u8986\u76d6\u8303\u56f4\u3002<\/p>\n\n\n\n

\u3000\u3000\u5b9e\u9645\u6d4b\u8bd5\u6848\u4f8b<\/strong><\/p>\n\n\n\n

\u3000\u3000\u5b9e\u9645\u6d4b\u8bd5\u4e2d\uff0c\u5f00\u9614\u5c71\u533a\u7684\u4f20\u8f93\u8ddd\u79bb\u53ef\u8fbe15-20\u516c\u91cc\uff0c\u800c\u906e\u6321\u4e25\u91cd\u7684\u5c71\u8c37\u4e2d\uff0c\u4f20\u8f93\u8ddd\u79bb\u53ef\u80fd\u51cf\u5c11\u52303-5\u516c\u91cc\u3002\u5728\u68ee\u6797\u8986\u76d6\u533a\uff0c\u7531\u4e8e\u89c6\u8ddd\u6709\u9650\u4e14\u690d\u88ab\u8302\u5bc6\uff0c\u4f20\u8f93\u8ddd\u79bb\u4e00\u822c\u4e3a3-7\u516c\u91cc\u3002<\/p>\n\n\n\n

\u3000\u3000\u5176\u4ed6\u5f71\u54cd\u56e0\u7d20<\/strong><\/p>\n\n\n\n

\u3000\u3000\u53d1\u5c04\u529f\u7387<\/strong>\uff1a\u589e\u52a0\u53d1\u5c04\u529f\u7387\u53ef\u4ee5\u5ef6\u957f\u4f20\u8f93\u8ddd\u79bb\uff0c\u4f46\u9700\u6ee1\u8db3\u5f53\u5730\u7684\u65e0\u7ebf\u7535\u6cd5\u89c4\u3002<\/p>\n\n\n\n

\u3000\u3000\u6269\u9891\u56e0\u5b50\uff08SF\uff09<\/strong> \uff1a\u4f7f\u7528\u8f83\u9ad8\u7684\u6269\u9891\u56e0\u5b50(\u5982SF12)\u53ef\u4ee5\u589e\u52a0\u4f20\u8f93\u8ddd\u79bb\uff0c\u4f46\u4f1a\u964d\u4f4e\u6570\u636e\u901f\u7387\u3002\u5728\u5c71\u533a\u5efa\u8bae\u9009\u62e9\u8f83\u9ad8\u7684SF\u4ee5\u786e\u4fdd\u8fdc\u8ddd\u79bb\u901a\u4fe1\u7a33\u5b9a\u3002<\/p>\n\n\n\n

\u3000\u3000\u5929\u6c14\u6761\u4ef6<\/strong>\uff1a\u6781\u7aef\u5929\u6c14(\u5982\u66b4\u96e8\u3001\u6d53\u96fe)\u53ef\u80fd\u4f1a\u5bfc\u81f4\u4fe1\u53f7\u8870\u51cf\uff0c\u5f71\u54cd\u901a\u4fe1\u8ddd\u79bb\u3002<\/p>\n\n\n\n

\u3000\u3000LoRa\u5728\u5c71\u533a\u7684\u4f20\u8f93\u8ddd\u79bb\u901a\u5e38\u4e3a3-15\u516c\u91cc\uff0c\u7406\u60f3\u6761\u4ef6\u4e0b(\u5982\u5c71\u9876\u5230\u5c71\u8c37)\u53ef\u4ee5\u8fbe\u523020\u516c\u91cc\u6216\u66f4\u8fdc\u3002\u4e3a\u4e86\u4f18\u5316\u4f20\u8f93\u6548\u679c\uff0c\u5efa\u8bae\u5728\u9ad8\u70b9\u90e8\u7f72\u7f51\u5173\u5929\u7ebf\uff0c\u63d0\u5347\u89c6\u8ddd\u8303\u56f4\uff0c\u5e76\u6839\u636e\u5b9e\u9645\u5730\u5f62\u548c\u690d\u88ab\u72b6\u51b5\u9009\u62e9\u5408\u9002\u7684\u9891\u6bb5\u548c\u5929\u7ebf\u589e\u76ca\u3002<\/p>\n\n\n\n

\u3000\u3000\u4e00\u3001 LoRa\u5728\u4e0d\u540c\u5730\u5f62\u6761\u4ef6\u4e0b\u7684\u4f20\u8f93\u8ddd\u79bb\u5bf9\u6bd4<\/h2>\n\n\n\n

\u3000\u3000LoRa\u5728\u4e0d\u540c\u5730\u5f62\u6761\u4ef6\u4e0b\u7684\u4f20\u8f93\u8ddd\u79bb\u5bf9\u6bd4\u7814\u7a76\u4e3b\u8981\u96c6\u4e2d\u5728\u4ee5\u4e0b\u51e0\u4e2a\u65b9\u9762\uff1a<\/p>\n\n\n\n

\u3000\u3000\u5f00\u9614\u5e73\u539f\u4e0e\u590d\u6742\u5730\u5f62<\/strong>\uff1a<\/p>\n\n\n\n

\u3000\u3000\u5728\u5f00\u9614\u5e73\u539f\u4e0a\uff0cLoRa\u7684\u4f20\u8f93\u8ddd\u79bb\u8f83\u8fdc\uff0c\u53ef\u4ee5\u8fbe\u5230\u6570\u516c\u91cc\u751a\u81f310\u516c\u91cc\u4ee5\u4e0a\u3002\u4f8b\u5982\uff0c\u5728\u67d0\u4e9b\u6d4b\u8bd5\u4e2d\uff0cLoRa\u6a21\u7ec4\u5728\u7279\u5b9a\u6761\u4ef6\u4e0b\u53ef\u4ee5\u572817\u516c\u91cc\u7684\u8ddd\u79bb\u4e0a\u6210\u529f\u8fdb\u884c\u901a\u4fe1\u3002<\/p>\n\n\n\n

\u3000\u3000\u5728\u590d\u6742\u5730\u5f62\u5982\u5c71\u533a\u3001\u68ee\u6797\u7b49\u5730\u5f62\u6761\u4ef6\u4e0b\uff0cLoRa\u7684\u4f20\u8f93\u8ddd\u79bb\u4f1a\u53d7\u5230\u9650\u5236\u3002\u4f8b\u5982\uff0c\u5728\u9ad8\u5c71\u3001\u5ce1\u8c37\u7b49\u5730\u5f62\u4e2d\uff0cLoRa\u4ea7\u54c1\u7684\u884d\u5c04\u548c\u53cd\u5c04\u80fd\u529b\u8f83\u5f3a\uff0c\u5355\u7ad9\u8986\u76d6\u8303\u56f4\u53ef\u4ee5\u8fbe\u523020\u516c\u91cc\u8def\u7ebf\uff0c\u76f4\u7ebf\u8ddd\u79bb\u6700\u8fdc\u8fbe\u52304.9\u516c\u91cc\u3002\u7136\u800c\uff0c\u5728\u57ce\u5e02\u6216\u5c71\u533a\u7b49\u591a\u5efa\u7b51\u6216\u5730\u5f62\u8d77\u4f0f\u7684\u5730\u65b9\uff0c\u4f20\u8f93\u8ddd\u79bb\u53ef\u80fd\u4f1a\u53d7\u5230\u9650\u5236\u3002<\/p>\n\n\n\n

\u3000\u3000\u6d77\u6d0b\u73af\u5883<\/strong>\uff1a<\/p>\n\n\n\n

\u3000\u3000\u5728\u6d77\u6d0b\u73af\u5883\u4e2d\uff0cLoRa\u6280\u672f\u8868\u73b0\u51fa\u8272\u3002\u4f8b\u5982\uff0c\u5728\u4e00\u4e2a\u5b9e\u9a8c\u4e2d\uff0c\u901a\u8fc7LOS(\u89c6\u7ebf)\u6761\u4ef6\u4e0b\u7684\u6d4b\u8bd5\uff0cLoRa\u6280\u672f\u5728\u6d77\u6d0b\u73af\u5883\u4e2d\u53ef\u4ee5\u5b9e\u73b0\u8d85\u8fc7110\u516c\u91cc\u7684\u4f20\u8f93\u8ddd\u79bb\u3002\u5c3d\u7ba1\u5982\u6b64\uff0c\u7531\u4e8e\u63a5\u6536\u529f\u7387\u7684\u9650\u5236\uff0c\u8fd9\u4e2a\u8ddd\u79bb\u5e76\u4e0d\u662f\u53ef\u9760\u7684\u4e0a\u9650\u3002<\/p>\n\n\n\n

\u3000\u3000\u5ba4\u5185\u4e0e\u5ba4\u5916\u73af\u5883<\/strong>\uff1a<\/p>\n\n\n\n

\u3000\u3000\u5728\u5ba4\u5185\u73af\u5883\u4e2d\uff0cLoRa\u6280\u672f\u7684\u4f20\u8f93\u8ddd\u79bb\u53ef\u80fd\u53ea\u6709\u6570\u767e\u7c73\u3002\u800c\u5728\u9732\u5929\u73af\u5883\u4e0b\uff0cLoRa\u7684\u4f20\u8f93\u8ddd\u79bb\u53ef\u4ee5\u8fbe\u5230\u6570\u516c\u91cc\u751a\u81f310\u516c\u91cc\u4ee5\u4e0a\u3002<\/p>\n\n\n\n

\u3000\u3000\u7279\u6b8a\u6d4b\u8bd5\u60c5\u51b5\u663e\u793a\uff0c\u5728\u7279\u5b9a\u6761\u4ef6\u4e0b\uff0cLoRa\u6a21\u7ec4\u53ef\u4ee5\u572817\u516c\u91cc\u7684\u8ddd\u79bb\u4e0a\u6210\u529f\u8fdb\u884c\u901a\u4fe1\u3002<\/p>\n\n\n\n

\u3000\u3000\u5176\u4ed6\u56e0\u7d20\u7684\u5f71\u54cd<\/strong>\uff1a<\/p>\n\n\n\n

\u3000\u3000\u5730\u5f62\u548c\u73af\u5883\u56e0\u7d20\u5bf9LoRa\u4f20\u8f93\u8ddd\u79bb\u6709\u663e\u8457\u5f71\u54cd\u3002\u4f8b\u5982\uff0c\u5728\u5f00\u9614\u7684\u5e73\u539f\u5730\u533a\uff0c\u4f20\u8f93\u8ddd\u79bb\u53ef\u80fd\u4f1a\u66f4\u8fdc;\u800c\u5728\u57ce\u5e02\u6216\u5c71\u533a\u7b49\u591a\u5efa\u7b51\u6216\u5730\u5f62\u8d77\u4f0f\u7684\u5730\u65b9\uff0c\u4f20\u8f93\u8ddd\u79bb\u53ef\u80fd\u4f1a\u53d7\u5230\u9650\u5236\u3002<\/p>\n\n\n\n

\u3000\u3000\u5e72\u6270\u6e90\u3001\u5efa\u7b51\u7269\u3001\u6811\u6728\u3001\u91d1\u5c5e\u7269\u4f53\u7b49\u969c\u788d\u7269\u4e5f\u4f1a\u5f71\u54cdLoRa\u7684\u4f20\u8f93\u8ddd\u79bb\u548c\u7a33\u5b9a\u6027\u3002<\/p>\n\n\n\n

\u3000\u3000\u6e29\u5ea6\u548c\u5176\u4ed6\u73af\u5883\u56e0\u7d20\u5982\u5927\u96fe\u6216\u96e8\u5929\u7b49\u4e5f\u4f1a\u5bf9LoRa\u4f20\u8f93\u8ddd\u79bb\u4ea7\u751f\u5f71\u54cd\u3002<\/p>\n\n\n\n

\u3000\u3000\u9891\u6bb5\u9009\u62e9<\/strong>\uff1a<\/p>\n\n\n\n

\u3000\u3000\u4e0d\u540c\u9891\u6bb5\u4e0b\u7684LoRa\u8bbe\u5907\u5728\u76f8\u540c\u529f\u7387\u6761\u4ef6\u4e0b\u80fd\u591f\u5b9e\u73b0\u4e0d\u540c\u7684\u4f20\u8f93\u8ddd\u79bb\u3002\u4e00\u822c\u6765\u8bf4\uff0c\u8f83\u4f4e\u9891\u6bb5\u7684LoRa\u8bbe\u5907\u5728\u76f8\u540c\u529f\u7387\u6761\u4ef6\u4e0b\u80fd\u591f\u5b9e\u73b0\u66f4\u8fdc\u7684\u4f20\u8f93\u8ddd\u79bb\uff0c\u4f46\u4f20\u8f93\u901f\u7387\u4f1a\u6709\u6240\u964d\u4f4e\u3002<\/p>\n\n\n\n

\u3000\u3000\u7efc\u4e0a\u6240\u8ff0\uff0cLoRa\u5728\u4e0d\u540c\u5730\u5f62\u6761\u4ef6\u4e0b\u7684\u4f20\u8f93\u8ddd\u79bb\u53d7\u5230\u591a\u79cd\u56e0\u7d20\u7684\u5f71\u54cd\uff0c\u5305\u62ec\u5730\u5f62\u3001\u73af\u5883\u3001\u9891\u6bb5\u9009\u62e9\u7b49\u3002<\/p>\n\n\n\n

\u3000\u3000\u4e8c\u3001 \u5982\u4f55\u4f18\u5316LoRa\u5929\u7ebf\u8bbe\u8ba1\u4ee5\u63d0\u9ad8\u5c71\u533a\u4f20\u8f93\u8ddd\u79bb?<\/h2>\n\n\n\n

\u3000\u3000\u8981\u4f18\u5316LoRa\u5929\u7ebf\u8bbe\u8ba1\u4ee5\u63d0\u9ad8\u5c71\u533a\u4f20\u8f93\u8ddd\u79bb\uff0c\u53ef\u4ee5\u4ece\u4ee5\u4e0b\u51e0\u4e2a\u65b9\u9762\u5165\u624b\uff1a<\/p>\n\n\n\n

\u3000\u3000\u9009\u62e9\u5408\u9002\u7684\u5929\u7ebf\u7c7b\u578b<\/strong>\uff1a<\/p>\n\n\n\n

\u3000\u3000\u5728\u5c71\u533a\u73af\u5883\u4e2d\uff0c\u7531\u4e8e\u5730\u5f62\u590d\u6742\uff0c\u5efa\u8bae\u4f7f\u7528\u9ad8\u589e\u76ca\u5929\u7ebf\uff0c\u5982\u87ba\u65cb\u5929\u7ebf\u6216\u5b9a\u5411\u5929\u7ebf\u3002\u8fd9\u4e9b\u5929\u7ebf\u80fd\u591f\u66f4\u6709\u6548\u5730\u5c06\u4fe1\u53f7\u96c6\u4e2d\u4f20\u8f93\uff0c\u4ece\u800c\u589e\u52a0\u8986\u76d6\u8303\u56f4\u3002<\/p>\n\n\n\n

\u3000\u3000\u6839\u636e\u5b9e\u9645\u5e94\u7528\u573a\u666f\u9009\u62e9\u6700\u9002\u5408\u7684\u5929\u7ebf\u7c7b\u578b\u3002\u4f8b\u5982\uff0c\u5728\u57ce\u5e02\u73af\u5883\u4e2d\uff0c\u53ef\u4ee5\u9009\u62e9\u589e\u76ca\u8f83\u9ad8\u7684\u5929\u7ebf\u6765\u589e\u5f3a\u4fe1\u53f7\u8986\u76d6\u8303\u56f4\u3002<\/p>\n\n\n\n

\u3000\u3000\u589e\u52a0\u5929\u7ebf\u9ad8\u5ea6<\/strong>\uff1a<\/p>\n\n\n\n

\u3000\u3000\u5c06\u5929\u7ebf\u5b89\u88c5\u5728\u8f83\u9ad8\u4f4d\u7f6e\uff0c\u5982\u5efa\u7b51\u7269\u5c4b\u9876\u6216\u5c71\u9876\uff0c\u53ef\u4ee5\u51cf\u5c11\u969c\u788d\u7269\u7684\u5f71\u54cd\uff0c\u51cf\u5c11\u4fe1\u53f7\u8870\u51cf\uff0c\u6709\u6548\u63d0\u9ad8\u4f20\u8f93\u8ddd\u79bb\u3002<\/p>\n\n\n\n

\u3000\u3000\u5728\u91cd\u5e86\u6b66\u9686\u53bf\u4ed9\u5973\u5c71\u98ce\u666f\u533a\u7684\u6d4b\u8bd5\u4e2d\uff0c\u901a\u8fc7\u5728\u79fb\u52a8\u94c1\u5854\u4e0a\u67b6\u8bbe\u57fa\u7ad9\uff0c\u5b9e\u73b0\u4e86\u5355\u4e2aLoRa\u7f51\u5173\u8986\u76d620+\u516c\u91cc\u7684\u884c\u8fdb\u8def\u7ebf\uff0c\u6700\u957f\u76f4\u7ebf\u8986\u76d6\u8ddd\u79bb\u8fbe4900\u7c73\u3002<\/p>\n\n\n\n

\u3000\u3000\u4f18\u5316\u5929\u7ebf\u5339\u914d\u548c\u9a7b\u6ce2\u6bd4\uff08VSWR\uff09<\/strong>\uff1a<\/p>\n\n\n\n

\u3000\u3000\u786e\u4fdd\u5929\u7ebf\u4e0eLoRa\u6a21\u5757\u4e4b\u95f4\u7684\u826f\u597d\u5339\u914d\u662f\u81f3\u5173\u91cd\u8981\u7684\u3002\u4f18\u5316\u5929\u7ebf\u8bbe\u8ba1\u548c\u8c03\u6574\u53c2\u6570(\u5982\u7075\u654f\u5ea6\u3001\u4fe1\u9053\u91cd\u53e0\u7b49)\uff0c\u53ef\u4ee5\u8fdb\u4e00\u6b65\u51cf\u5c11\u4fe1\u53f7\u5e72\u6270\uff0c\u63d0\u9ad8\u901a\u4fe1\u8d28\u91cf\u3002<\/p>\n\n\n\n

\u3000\u3000\u8c03\u6574\u5929\u7ebf\u65b9\u5411<\/strong>\uff1a<\/p>\n\n\n\n

\u3000\u3000\u5408\u7406\u8bbe\u7f6e\u5929\u7ebf\u7684\u65b9\u5411\uff0c\u907f\u514d\u4fe1\u53f7\u906e\u853d\uff0c\u786e\u4fdd\u4fe1\u53f7\u80fd\u591f\u6709\u6548\u5730\u4f20\u64ad\u3002\u5728\u5c71\u533a\u73af\u5883\u4e2d\uff0c\u9700\u8981\u7279\u522b\u6ce8\u610f\u907f\u514d\u6811\u6728\u548c\u5176\u4ed6\u969c\u788d\u7269\u5bf9\u4fe1\u53f7\u7684\u963b\u6321\u3002<\/p>\n\n\n\n

\u3000\u3000\u4f18\u5316\u4f20\u8f93\u53c2\u6570<\/strong>\uff1a<\/p>\n\n\n\n

\u3000\u3000\u8c03\u6574\u4fe1\u9053\u5e26\u5bbd\u3001\u6269\u9891\u56e0\u5b50(SF)\u3001\u7ea0\u9519\u7f16\u7801\u548c\u7801\u7387\u7b49\u53c2\u6570\uff0c\u4ee5\u8fbe\u5230\u6700\u4f73\u4f20\u8f93\u6548\u679c\u3002\u4f8b\u5982\uff0c\u964d\u4f4e\u6570\u636e\u901f\u7387\u53ef\u4ee5\u663e\u8457\u589e\u52a0\u4fe1\u53f7\u7684\u4f20\u64ad\u8303\u56f4\u3002<\/p>\n\n\n\n

\u3000\u3000\u4f7f\u7528\u4fe1\u53f7\u589e\u5f3a\u5668<\/strong>\uff1a<\/p>\n\n\n\n

\u3000\u3000\u5728\u5927\u8303\u56f4\u4f20\u8f93\u573a\u5408\uff0c\u53ef\u4ee5\u4f7f\u7528\u4fe1\u53f7\u589e\u5f3a\u5668\u653e\u5927\u65e0\u7ebf\u4fe1\u53f7\uff0c\u6709\u6548\u589e\u5f3aLoRa\u4f20\u8f93\u8ddd\u79bb\u3002<\/p>\n\n\n\n

\u3000\u3000\u4f18\u5316\u4fe1\u9053\u9009\u62e9<\/strong>\uff1a<\/p>\n\n\n\n

\u3000\u3000\u6839\u636e\u5177\u4f53\u60c5\u51b5\u9009\u62e9\u5408\u9002\u7684\u9891\u6bb5\uff0c\u907f\u514d\u76f8\u90bb\u9891\u9053\u5e72\u6270\uff0c\u4ee5\u83b7\u5f97\u66f4\u597d\u7684\u4f20\u8f93\u6548\u679c\u3002<\/p>\n\n\n\n

\u3000\u3000\u8003\u8651\u73af\u5883\u56e0\u7d20<\/strong>\uff1a<\/p>\n\n\n\n

\u3000\u3000\u4e0d\u540c\u7684\u5730\u5f62\u548c\u73af\u5883\u4f1a\u5bf9LoRa\u7684\u4f20\u8f93\u8ddd\u79bb\u4ea7\u751f\u5f71\u54cd\u3002\u5728\u5c71\u533a\u73af\u5883\u4e2d\uff0c\u5efa\u7b51\u7269\u548c\u5730\u5f62\u8d77\u4f0f\u53ef\u80fd\u9650\u5236\u5176\u4f20\u8f93\u8ddd\u79bb\u3002\u56e0\u6b64\uff0c\u5728\u8bbe\u8ba1\u5929\u7ebf\u957f\u5ea6\u65f6\uff0c\u5e94\u5145\u5206\u8003\u8651\u73af\u5883\u56e0\u7d20\uff0c\u4ee5\u5b9e\u73b0\u6700\u4f73\u7684\u4f20\u8f93\u6548\u679c\u3002<\/p>\n\n\n\n

\u3000\u3000\u4e09\u3001 LoRa\u5728\u5c71\u533a\u5e94\u7528\u4e2d\uff0c\u4e0d\u540c\u9891\u7387\u6bb5\u7684\u7a7f\u900f\u80fd\u529b\u548c\u9002\u7528\u573a\u666f\u662f\u4ec0\u4e48?<\/h2>\n\n\n\n

\u3000\u3000LoRa\u5728\u5c71\u533a\u5e94\u7528\u4e2d\uff0c\u4e0d\u540c\u9891\u7387\u6bb5\u7684\u7a7f\u900f\u80fd\u529b\u548c\u9002\u7528\u573a\u666f\u5982\u4e0b\uff1a<\/p>\n\n\n\n

\u3000\u3000433MHz\u9891\u6bb5<\/strong>\uff1a<\/p>\n\n\n\n

\u3000\u3000\u7a7f\u900f\u80fd\u529b<\/strong>\uff1a433MHz\u9891\u6bb5\u7684LoRa\u6a21\u5757\u5177\u6709\u8f83\u5f3a\u7684\u7a7f\u900f\u80fd\u529b\uff0c\u80fd\u591f\u66f4\u597d\u5730\u7a7f\u900f\u5efa\u7b51\u7269\u548c\u5176\u4ed6\u969c\u788d\u7269\u8fdb\u884c\u901a\u4fe1\u3002\u8fd9\u79cd\u7279\u6027\u4f7f\u5f97433MHz\u9891\u6bb5\u5728\u5ba4\u5185\u548c\u590d\u6742\u73af\u5883\u4e2d\u7684\u5e94\u7528\u8868\u73b0\u5c24\u4e3a\u7a81\u51fa\u3002<\/p>\n\n\n\n

\u3000\u3000\u9002\u7528\u573a\u666f<\/strong>\uff1a\u7531\u4e8e\u5176\u826f\u597d\u7684\u7a7f\u900f\u80fd\u529b\u548c\u8f83\u957f\u7684\u901a\u4fe1\u8ddd\u79bb\uff0c433MHz\u9891\u6bb5\u975e\u5e38\u9002\u5408\u7528\u4e8e\u9700\u8981\u8fdc\u8ddd\u79bb\u901a\u4fe1\u4e14\u53ef\u80fd\u6d89\u53ca\u590d\u6742\u73af\u5883\u7684\u5ba4\u5185\u5e94\u7528\uff0c\u5982\u667a\u80fd\u5bb6\u5c45\u3001\u667a\u80fd\u8868\u8ba1\u7b49\u3002\u6b64\u5916\uff0c433MHz\u9891\u6bb5\u5728\u519c\u4e1a\u9886\u57df\u4e5f\u6709\u5e7f\u6cdb\u5e94\u7528\uff0c\u5982\u571f\u58e4\u6e7f\u5ea6\u76d1\u6d4b\u3001\u4f5c\u7269\u751f\u957f\u76d1\u63a7\u7b49\u3002<\/p>\n\n\n\n

\u3000\u3000868MHz\u9891\u6bb5<\/strong>\uff1a<\/p>\n\n\n\n

\u3000\u3000\u7a7f\u900f\u80fd\u529b<\/strong>\uff1a868MHz\u9891\u6bb5\u7684LoRa\u6280\u672f\u5728\u6b27\u6d32\u4f7f\u7528\uff0c\u5177\u6709\u8f83\u597d\u7684\u7a7f\u900f\u80fd\u529b\u548c\u6297\u5e72\u6270\u6027\u3002\u867d\u7136\u7a7f\u900f\u80fd\u529b\u7565\u900a\u4e8e433MHz\u9891\u6bb5\uff0c\u4f46\u4ecd\u7136\u80fd\u591f\u5b9e\u73b0\u8f83\u957f\u8ddd\u79bb\u7684\u901a\u4fe1\u3002<\/p>\n\n\n\n

\u3000\u3000\u9002\u7528\u573a\u666f<\/strong>\uff1a868MHz\u9891\u6bb5\u9002\u7528\u4e8e\u57ce\u5e02\u667a\u80fd\u5316\u7ba1\u7406\u3001\u73af\u5883\u76d1\u6d4b\u3001\u7269\u6d41\u548c\u4f9b\u5e94\u94fe\u7ba1\u7406\u7b49\u9886\u57df\u3002\u5728\u5c71\u533a\uff0c868MHz\u9891\u6bb5\u53ef\u4ee5\u7528\u4e8e\u68ee\u6797\u706b\u707e\u76d1\u6d4b\u3001\u73af\u5883\u76d1\u6d4b\u7b49\u573a\u666f\uff0c\u7279\u522b\u662f\u5728\u516c\u7f51\u4fe1\u53f7\u8986\u76d6\u4e0d\u8db3\u7684\u533a\u57df\uff0cLoRa\u6280\u672f\u53ef\u4ee5\u63d0\u4f9b\u6709\u6548\u7684\u8865\u5145\u3002<\/p>\n\n\n\n

\u3000\u3000915MHz\u9891\u6bb5<\/strong>\uff1a<\/p>\n\n\n\n

\u3000\u3000\u7a7f\u900f\u80fd\u529b<\/strong>\uff1a915MHz\u9891\u6bb5\u7684LoRa\u6280\u672f\u5728\u7f8e\u56fd\u4f7f\u7528\uff0c\u5177\u6709\u8f83\u5f3a\u7684\u7a7f\u900f\u80fd\u529b\u548c\u8f83\u957f\u7684\u901a\u4fe1\u8ddd\u79bb\u3002\u5c3d\u7ba1\u7a7f\u900f\u80fd\u529b\u4e0d\u5982433MHz\u9891\u6bb5\uff0c\u4f46\u5728\u5f00\u9614\u533a\u57df\u548c\u519c\u6751\u5730\u533a\uff0c915MHz\u9891\u6bb5\u4ecd\u80fd\u5b9e\u73b0\u51e0\u5341\u516c\u91cc\u7684\u8986\u76d6\u3002<\/p>\n\n\n\n

\u3000\u3000\u9002\u7528\u573a\u666f<\/strong>\uff1a915MHz\u9891\u6bb5\u9002\u7528\u4e8e\u5e7f\u57df\u7269\u8054\u7f51\u3001\u57ce\u5e02\u7269\u8054\u7f51\u7b49\u9700\u8981\u5927\u8303\u56f4\u8986\u76d6\u7684\u573a\u666f\u3002\u5728\u5c71\u533a\uff0c915MHz\u9891\u6bb5\u53ef\u4ee5\u7528\u4e8e\u667a\u6167\u519c\u4e1a\u3001\u667a\u80fd\u4ea4\u901a\u7cfb\u7edf\u3001\u667a\u80fd\u505c\u8f66\u7ba1\u7406\u7b49\u3002<\/p>\n\n\n\n

\u3000\u3000\u5176\u4ed6\u9891\u6bb5<\/strong>\uff1a<\/p>\n\n\n\n

\u3000\u3000470MHz-510MHz\u9891\u6bb5<\/strong>\uff1a\u5728\u4e2d\u56fd\u5730\u533a\uff0c470MHz-510MHz\u9891\u6bb5\u88ab\u5e7f\u6cdb\u5e94\u7528\u4e8e\u667a\u80fd\u519c\u4e1a\u3001\u667a\u80fd\u57ce\u5e02\u548c\u5de5\u4e1a\u7269\u8054\u7f51\u7b49\u9886\u57df\u3002\u8be5\u9891\u6bb5\u5728\u5c71\u533a\u7684\u5e94\u7528\u4e3b\u8981\u96c6\u4e2d\u5728\u73af\u5883\u76d1\u6d4b\u3001\u571f\u58e4\u6e7f\u5ea6\u68c0\u6d4b\u548c\u519c\u4f5c\u7269\u751f\u957f\u8ddf\u8e2a\u7b49\u65b9\u9762\u3002<\/p>\n\n\n\n

\u3000\u3000779MHz-787MHz\u9891\u6bb5<\/strong>\uff1a\u8be5\u9891\u6bb5\u5728\u4e2d\u56fd\u5730\u533a\u4e5f\u6709\u5e94\u7528\uff0c\u4e3b\u8981\u7528\u4e8e\u667a\u80fd\u519c\u4e1a\u548c\u667a\u80fd\u57ce\u5e02\u5efa\u8bbe\u3002\u5728\u5c71\u533a\uff0c\u8be5\u9891\u6bb5\u53ef\u4ee5\u7528\u4e8e\u73af\u5883\u76d1\u6d4b\u548c\u519c\u4e1a\u76d1\u6d4b\u7b49\u573a\u666f\u3002<\/p>\n\n\n\n

\u3000\u3000LoRa\u6280\u672f\u5728\u4e0d\u540c\u9891\u7387\u6bb5\u4e0b\u5177\u6709\u4e0d\u540c\u7684\u7a7f\u900f\u80fd\u529b\u548c\u9002\u7528\u573a\u666f\u3002433MHz\u9891\u6bb5\u5728\u5ba4\u5185\u548c\u590d\u6742\u73af\u5883\u4e2d\u7684\u7a7f\u900f\u80fd\u529b\u6700\u5f3a\uff0c\u9002\u7528\u4e8e\u667a\u80fd\u5bb6\u5c45\u548c\u519c\u4e1a\u76d1\u6d4b;868MHz\u9891\u6bb5\u5728\u6b27\u6d32\u4f7f\u7528\uff0c\u9002\u7528\u4e8e\u57ce\u5e02\u667a\u80fd\u5316\u7ba1\u7406\u548c\u73af\u5883\u76d1\u6d4b;915MHz\u9891\u6bb5\u5728\u7f8e\u56fd\u4f7f\u7528\uff0c\u9002\u7528\u4e8e\u5e7f\u57df\u7269\u8054\u7f51\u548c\u519c\u6751\u5730\u533a\u7684\u8986\u76d6;<\/p>\n\n\n\n

\u3000\u3000\u56db\u3001 \u53d1\u5c04\u529f\u7387\u5bf9LoRa\u5c71\u533a\u4f20\u8f93\u8ddd\u79bb\u7684\u5177\u4f53\u5f71\u54cd\u6709\u54ea\u4e9b\u7814\u7a76?<\/h2>\n\n\n\n

\u3000\u3000\u5173\u4e8eLoRa\u5728\u5c71\u533a\u4f20\u8f93\u8ddd\u79bb\u7684\u7814\u7a76\uff0c\u4e3b\u8981\u96c6\u4e2d\u5728\u53d1\u5c04\u529f\u7387\u5bf9\u4f20\u8f93\u8ddd\u79bb\u7684\u5f71\u54cd\u4e0a\u3002\u4ee5\u4e0b\u662f\u57fa\u4e8e\u6211\u641c\u7d22\u5230\u7684\u8d44\u6599\u8fdb\u884c\u7684\u8be6\u7ec6\u5206\u6790\uff1a<\/p>\n\n\n\n

\u3000\u3000\u53d1\u5c04\u529f\u7387\u5bf9\u4f20\u8f93\u8ddd\u79bb\u7684\u5f71\u54cd<\/strong>\uff1a<\/p>\n\n\n\n

\u3000\u3000\u63d0\u9ad8\u53d1\u5c04\u529f\u7387\u53ef\u4ee5\u663e\u8457\u589e\u52a0LoRa\u6a21\u5757\u7684\u4f20\u8f93\u8ddd\u79bb\u3002\u4f8b\u5982\uff0c\u5728\u5f00\u9614\u73af\u5883\u4e0b\uff0cLoRa\u6a21\u5757\u7684\u4f20\u8f93\u8ddd\u79bb\u53ef\u4ee5\u8fbe\u52303-5\u516c\u91cc\uff0c\u800c\u5728\u57ce\u5e02\u73af\u5883\u4e2d\u5219\u4e3a500\u7c73\u52302\u516c\u91cc\u3002\u5728\u5c71\u533a\u7b49\u590d\u6742\u5730\u5f62\u4e2d\uff0c\u4f20\u8f93\u8ddd\u79bb\u4f1a\u53d7\u5230\u66f4\u591a\u56e0\u7d20\u7684\u5f71\u54cd\uff0c\u4f46\u63d0\u9ad8\u53d1\u5c04\u529f\u7387\u4ecd\u7136\u662f\u589e\u52a0\u4f20\u8f93\u8ddd\u79bb\u7684\u6709\u6548\u65b9\u6cd5\u3002<\/p>\n\n\n\n

\u3000\u3000\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0cLoRa\u6a21\u5757\u7684\u53d1\u5c04\u529f\u7387\u901a\u5e38\u5728+20dBm\u5230100mW\u4e4b\u95f4\u53ef\u8c03\uff0c\u751a\u81f3\u67d0\u4e9b\u6a21\u5757\u7684\u6700\u5927\u53d1\u5c04\u529f\u7387\u53ef\u4ee5\u8fbe\u52305W\uff0c\u8fd9\u8fdb\u4e00\u6b65\u589e\u5f3a\u4e86\u5176\u4f20\u8f93\u80fd\u529b\u3002<\/p>\n\n\n\n

\u3000\u3000\u53d1\u5c04\u529f\u7387\u4e0e\u63a5\u6536\u7075\u654f\u5ea6\u7684\u5173\u7cfb<\/strong>\uff1a<\/p>\n\n\n\n

\u3000\u3000\u53d1\u5c04\u529f\u7387\u548c\u63a5\u6536\u7075\u654f\u5ea6\u662f\u5f71\u54cdLoRa\u6a21\u5757\u4f20\u8f93\u8ddd\u79bb\u7684\u4e24\u4e2a\u5173\u952e\u56e0\u7d20\u3002\u9ad8\u63a5\u6536\u7075\u654f\u5ea6\u4f7f\u5f97LoRa\u6a21\u5757\u80fd\u591f\u5728\u8f83\u4f4e\u4fe1\u566a\u6bd4\u73af\u5883\u4e2d\u63a5\u6536\u4fe1\u53f7\uff0c\u4ece\u800c\u6269\u5927\u4e86\u901a\u4fe1\u8303\u56f4\u3002<\/p>\n\n\n\n

\u3000\u3000\u5728\u5c71\u533a\u7b49\u590d\u6742\u5730\u5f62\u4e2d\uff0c\u7531\u4e8e\u4fe1\u53f7\u8870\u51cf\u548c\u591a\u5f84\u6548\u5e94\uff0c\u63d0\u9ad8\u63a5\u6536\u7075\u654f\u5ea6\u540c\u6837\u91cd\u8981\u3002\u9ad8\u63a5\u6536\u7075\u654f\u5ea6\u53ef\u4ee5\u786e\u4fdd\u5728\u8fdc\u8ddd\u79bb\u4f20\u8f93\u65f6\u4ecd\u80fd\u63a5\u6536\u5230\u5fae\u5f31\u4fe1\u53f7\u3002<\/p>\n\n\n\n

\u3000\u3000\u73af\u5883\u56e0\u7d20\u7684\u5f71\u54cd<\/strong>\uff1a<\/p>\n\n\n\n

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\u3000\u3000\u4e94\u3001 \u5728\u5c71\u533a\u90e8\u7f72LoRa\u7f51\u7edc\u65f6\uff0c\u5982\u4f55\u5e73\u8861\u4f20\u8f93\u8ddd\u79bb\u548c\u6570\u636e\u901f\u7387?<\/h2>\n\n\n\n

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