{"id":99099,"date":"2024-11-12T15:49:07","date_gmt":"2024-11-12T07:49:07","guid":{"rendered":"https:\/\/www.techphant.cn\/?p=99099"},"modified":"2024-11-12T15:49:10","modified_gmt":"2024-11-12T07:49:10","slug":"lxycsjlhcsfx","status":"publish","type":"post","link":"https:\/\/www.techphant.cn\/blog\/99099.html","title":{"rendered":"LoRa\u534f\u8bae\u4f20\u8f93\u8ddd\u79bb\u548c\u4f20\u8f93\u98ce\u9669"},"content":{"rendered":"\n<p>\u3000\u3000<strong>LoRa\u534f\u8bae\u7684\u4f20\u8f93\u8ddd\u79bb\u548c\u4f20\u8f93\u98ce\u9669<\/strong>\u53d7\u591a\u79cd\u56e0\u7d20\u5f71\u54cd\uff0c\u5305\u62ec\u53d1\u5c04\u529f\u7387\u3001\u63a5\u6536\u7075\u654f\u5ea6\u3001\u5de5\u4f5c\u9891\u7387\u3001\u5929\u7ebf\u589e\u76ca\u3001\u73af\u5883\u6761\u4ef6\u7b49\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e00\u3001 LoRa\u534f\u8bae\u7684\u4f20\u8f93\u8ddd\u79bb\u548c\u4f20\u8f93\u98ce\u9669\u6709\u54ea\u4e9b<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30001. \u4f20\u8f93\u8ddd\u79bb<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000<strong>\u7406\u8bba\u4f20\u8f93\u8ddd\u79bb<\/strong>\uff1aLoRa\u6280\u672f\u7684\u7406\u8bba\u6700\u5927\u4f20\u8f93\u8ddd\u79bb\u53ef\u4ee5\u8fbe\u5230\u6570\u516c\u91cc\u5230\u6570\u5341\u516c\u91cc\u4e0d\u7b49\u3002\u4f8b\u5982\uff0c\u5728\u5f00\u9614\u5730\u533a\uff0cLoRa\u7684\u4f20\u8f93\u8ddd\u79bb\u53ef\u4ee5\u8fbe\u523015\u516c\u91cc\u751a\u81f320\u516c\u91cc\u3002\u7136\u800c\uff0c\u5728\u57ce\u5e02\u73af\u5883\u4e2d\uff0c\u7531\u4e8e\u5efa\u7b51\u7269\u548c\u5176\u4ed6\u969c\u788d\u7269\u7684\u5b58\u5728\uff0cLoRa\u7684\u4f20\u8f93\u8ddd\u79bb\u901a\u5e38\u57282-5\u516c\u91cc\u4e4b\u95f4\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u5b9e\u9645\u5e94\u7528\u4e2d\u7684\u4f20\u8f93\u8ddd\u79bb<\/strong>\uff1a\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0cLoRa\u7684\u4f20\u8f93\u8ddd\u79bb\u4f1a\u53d7\u5230\u73af\u5883\u7684\u5f71\u54cd\u3002\u4f8b\u5982\uff0c\u5728\u90ca\u533a\u6216\u5f00\u9614\u5730\u5e26\uff0cLoRa\u7684\u4f20\u8f93\u8ddd\u79bb\u53ef\u4ee5\u8fbe\u523015\u516c\u91cc\u3002\u800c\u5728\u57ce\u5e02\u73af\u5883\u4e2d\uff0c\u7531\u4e8e\u5efa\u7b51\u7269\u548c\u5176\u4ed6\u969c\u788d\u7269\u7684\u5b58\u5728\uff0c\u4f20\u8f93\u8ddd\u79bb\u901a\u5e38\u4e3a2-5\u516c\u91cc\u3002\u6b64\u5916\uff0c\u4f4e\u9891\u6bb5(\u5982433 MHz)\u7684\u4fe1\u53f7\u4f20\u8f93\u80fd\u529b\u66f4\u5f3a\uff0c\u4f46\u9ad8\u9891\u6bb5(\u5982915 MHz)\u867d\u7136\u5e72\u6270\u8f83\u5c0f\uff0c\u4f46\u4f20\u8f93\u8ddd\u79bb\u8f83\u77ed\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u5f71\u54cd\u56e0\u7d20<\/strong>\uff1aLoRa\u7684\u4f20\u8f93\u8ddd\u79bb\u8fd8\u53d7\u5230\u53d1\u5c04\u529f\u7387\u3001\u63a5\u6536\u7075\u654f\u5ea6\u3001\u5929\u7ebf\u589e\u76ca\u3001\u8f7d\u6ce2\u9891\u7387\u7b49\u56e0\u7d20\u7684\u5f71\u54cd\u3002\u4f8b\u5982\uff0c\u589e\u52a0\u53d1\u5c04\u529f\u7387\u548c\u5929\u7ebf\u589e\u76ca\u53ef\u4ee5\u663e\u8457\u5ef6\u957f\u4f20\u8f93\u8ddd\u79bb\u3002\u540c\u65f6\uff0c\u5730\u5f62\u3001\u5efa\u7b51\u7269\u3001\u5927\u6c14\u6761\u4ef6\u548c\u7535\u78c1\u5e72\u6270\u4e5f\u4f1a\u5bf9\u4f20\u8f93\u8ddd\u79bb\u4ea7\u751f\u5f71\u54cd\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30002. \u4f20\u8f93\u98ce\u9669<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000<strong>\u4fe1\u53f7\u8870\u51cf\u4e0e\u5e72\u6270<\/strong>\uff1aLoRa\u4fe1\u53f7\u5728\u4f20\u64ad\u8fc7\u7a0b\u4e2d\u5bb9\u6613\u53d7\u5230\u5efa\u7b51\u7269\u3001\u5730\u5f62\u548c\u5176\u4ed6\u969c\u788d\u7269\u7684\u963b\u6321\uff0c\u5bfc\u81f4\u4fe1\u53f7\u8870\u51cf\u3002\u6b64\u5916\uff0c\u4e0d\u540c\u9891\u6bb5\u4e4b\u95f4\u7684\u5e72\u6270\u4e5f\u4f1a\u5f71\u54cdLoRa\u7684\u4f20\u8f93\u8d28\u91cf\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u6570\u636e\u5305\u4e22\u5931\u7387<\/strong>\uff1a\u5728\u8fdc\u8ddd\u79bb\u4f20\u8f93\u65f6\uff0cLoRa\u7684\u6570\u636e\u5305\u4e22\u5931\u7387\u53ef\u80fd\u4f1a\u589e\u52a0\u3002\u4f8b\u5982\uff0c\u5728\u8d85\u8fc74.5\u516c\u91cc\u7684\u8ddd\u79bb\u65f6\uff0c\u6570\u636e\u5305\u4e22\u5931\u7387\u4f1a\u663e\u8457\u4e0a\u5347\uff0c\u5e76\u4e14\u5929\u7ebf\u89d2\u5ea6\u4e5f\u4f1a\u5bf9\u901a\u4fe1\u8d28\u91cf\u4ea7\u751f\u5f71\u54cd\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u73af\u5883\u56e0\u7d20<\/strong>\uff1a\u5929\u6c14\u6761\u4ef6\u5982\u96e8\u96ea\u3001\u6e7f\u5ea6\u7b49\u4e5f\u4f1a\u5f71\u54cdLoRa\u4fe1\u53f7\u7684\u4f20\u64ad\u8d28\u91cf\uff0c\u4ece\u800c\u5f71\u54cd\u4f20\u8f93\u8ddd\u79bb\u548c\u53ef\u9760\u6027\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u3000\u3000LoRa\u534f\u8bae\u7684\u4f20\u8f93\u8ddd\u79bb\u548c\u4f20\u8f93\u98ce\u9669\u53d7\u5230\u591a\u79cd\u56e0\u7d20\u7684\u5f71\u54cd\uff0c\u9700\u8981\u6839\u636e\u5177\u4f53\u7684\u5e94\u7528\u73af\u5883\u548c\u9700\u6c42\u8fdb\u884c\u4f18\u5316\u914d\u7f6e\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e8c\u3001 LoRa\u534f\u8bae\u5728\u4e0d\u540c\u5de5\u4f5c\u9891\u7387\u4e0b\u7684\u4f20\u8f93\u8ddd\u79bb\u548c\u5e72\u6270\u60c5\u51b5\u5982\u4f55?<\/h2>\n\n\n\n<p>\u3000\u3000LoRa\u534f\u8bae\u5728\u4e0d\u540c\u5de5\u4f5c\u9891\u7387\u4e0b\u7684\u4f20\u8f93\u8ddd\u79bb\u548c\u5e72\u6270\u60c5\u51b5\u8868\u73b0\u51fa\u663e\u8457\u5dee\u5f02\uff0c\u8fd9\u4e3b\u8981\u53d6\u51b3\u4e8e\u6240\u4f7f\u7528\u7684\u9891\u7387\u4ee5\u53ca\u73af\u5883\u4e2d\u7684\u5e72\u6270\u6e90\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30001. \u4f20\u8f93\u8ddd\u79bb<\/h3>\n\n\n\n<p>\u3000\u3000LoRa\u534f\u8bae\u7684\u4f20\u8f93\u8ddd\u79bb\u53d7\u591a\u4e2a\u56e0\u7d20\u5f71\u54cd\uff0c\u5305\u62ec\u5de5\u4f5c\u9891\u7387\u3001\u5e26\u5bbd\u3001\u6269\u5c55\u56e0\u5b50(SF)\u7b49\u3002\u5728\u8f83\u4f4e\u9891\u7387(\u5982868 MHz)\u4e0b\uff0cLoRa\u4fe1\u53f7\u901a\u5e38\u5177\u6709\u66f4\u957f\u7684\u4f20\u8f93\u8ddd\u79bb\uff0c\u56e0\u4e3a\u8fd9\u4e9b\u9891\u7387\u7684\u7a7f\u900f\u80fd\u529b\u548c\u7ed5\u5c04\u80fd\u529b\u66f4\u5f3a\u3002\u4f8b\u5982\uff0c\u5728\u57ce\u5e02\u73af\u5883\u4e2d\uff0cLoRa\u4fe1\u53f7\u5728868 MHz\u9891\u6bb5\u4e0b\u80fd\u591f\u8986\u76d6\u66f4\u8fdc\u7684\u8ddd\u79bb\uff0c\u4f46\u8fd9\u4e5f\u53d6\u51b3\u4e8e\u5177\u4f53\u7684\u4fe1\u9053\u6761\u4ef6\u548c\u5efa\u7b51\u7269\u7684\u5e03\u5c40\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u7136\u800c\uff0c\u5728\u66f4\u9ad8\u9891\u7387(\u5982923 MHz)\u4e0b\uff0cLoRa\u4fe1\u53f7\u7684\u4f20\u8f93\u8ddd\u79bb\u53ef\u80fd\u4f1a\u7f29\u77ed\uff0c\u5c24\u5176\u662f\u5728\u5b58\u5728\u7269\u7406\u969c\u788d\u7269\u7684\u60c5\u51b5\u4e0b\u3002\u4f8b\u5982\uff0c\u5728923.2 MHz\u9891\u7387\u4e0b\uff0c\u5f53\u4f20\u8f93\u8ddd\u79bb\u4ece1\u7c73\u589e\u52a0\u52304\u7c73\u65f6\uff0c\u867d\u7136RSSI\u548cSNR\u53d1\u751f\u4e86\u53d8\u5316\uff0c\u4f46ToA\u503c\u5e76\u672a\u6539\u53d8\uff0c\u8868\u660e\u4fe1\u53f7\u5f3a\u5ea6\u4e0b\u964d\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30002. \u5e72\u6270\u60c5\u51b5<\/h3>\n\n\n\n<p>\u3000\u3000LoRa\u534f\u8bae\u5bf9\u5e72\u6270\u975e\u5e38\u654f\u611f\uff0c\u5c24\u5176\u662f\u5728ISM\u9891\u6bb5\u4e0a\u3002\u4e0d\u540c\u9891\u7387\u4e0b\u7684\u5e72\u6270\u60c5\u51b5\u4e5f\u6709\u6240\u4e0d\u540c\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000<strong>\u4f4e\u9891\u6bb5\uff08\u5982868 MHz\uff09<\/strong>&nbsp;\uff1a\u5728868 MHz\u9891\u6bb5\u4e0b\uff0cLoRa\u7cfb\u7edf\u5bf9\u6162\u901f\u5e72\u6270(\u6301\u7eed\u65f6\u95f4\u8f83\u957f\u7684\u5e72\u6270\u4fe1\u53f7)\u5177\u6709\u8f83\u5f3a\u7684\u9c81\u68d2\u6027\uff0c\u800c\u5bf9\u5feb\u901f\u5e72\u6270(\u6301\u7eed\u65f6\u95f4\u8f83\u77ed\u7684\u5e72\u6270\u4fe1\u53f7)\u5219\u8f83\u4e3a\u654f\u611f\u3002\u4f8b\u5982\uff0c\u5728868.0 MHz\u4e0b\uff0c\u7cfb\u7edf\u5bf9\u6162\u901f\u5e72\u6270\u7684\u9c81\u68d2\u6027\u8f83\u5f3a\uff0c\u800c\u5728868.3 MHz\u4e0b\uff0c\u7cfb\u7edf\u5bf9\u6162\u901f\u5e72\u6270\u7684\u654f\u611f\u6027\u589e\u5f3a\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u9ad8\u9891\u6bb5\uff08\u5982923 MHz\uff09<\/strong>&nbsp;\uff1a\u5728923 MHz\u9891\u6bb5\u4e0b\uff0c\u7531\u4e8e\u66f4\u9ad8\u7684\u9891\u7387\u901a\u5e38\u53d7\u5230\u66f4\u591a\u7684\u7535\u78c1\u5e72\u6270\uff0c\u56e0\u6b64LoRa\u4fe1\u53f7\u5728\u8fd9\u79cd\u9891\u7387\u4e0b\u66f4\u5bb9\u6613\u53d7\u5230\u5e72\u6270\u3002\u4f8b\u5982\uff0c\u5728923.2 MHz\u9891\u7387\u4e0b\uff0c\u5373\u4f7f\u5728500 KHz\u7684LoRa\u5e26\u5bbd\u548c125 KHz\u7684\u975eLoRa\u5e26\u5bbd\u4e0b\uff0c\u4fe1\u53f7\u4ecd\u80fd\u6210\u529f\u4f20\u8f93\uff0c\u4f46SNR\u8d28\u91cf\u4e0b\u964d\u81f34.16 dB\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u9891\u8c31\u611f\u77e5\u673a\u5236<\/strong>\uff1a\u7814\u7a76\u8868\u660e\uff0c\u901a\u8fc7\u9891\u8c31\u611f\u77e5\u673a\u5236\u53ef\u4ee5\u6709\u6548\u907f\u514dLoRa\u4e0a\u7684\u6f5c\u5728\u5e72\u6270\u3002\u8ba4\u77e5\u65e0\u7ebf\u7535\u548c\u9891\u8c31\u611f\u77e5\u7684\u4e3b\u8981\u76ee\u7684\u662f\u8bc6\u522b\u7a7a\u95f2\u9891\u6bb5\u4ee5\u6700\u5c0f\u5316\u5e72\u6270\u3002\u7136\u800c\uff0c\u73b0\u6709\u7684\u673a\u5236\u90fd\u662f\u80fd\u91cf\u5bc6\u96c6\u578b\u7684\uff0c\u4e0d\u9002\u5408LoRa\u3002\u672a\u6765\u7684\u5de5\u4f5c\u5e94\u5173\u6ce8\u4f4e\u529f\u8017\u9891\u8c31\u611f\u77e5\uff0c\u4ee5\u63d0\u9ad8LoRa\u5728\u5e72\u6270\u9891\u6bb5\u4e2d\u7684\u6027\u80fd\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u3000\u3000LoRa\u534f\u8bae\u5728\u4e0d\u540c\u5de5\u4f5c\u9891\u7387\u4e0b\u7684\u4f20\u8f93\u8ddd\u79bb\u548c\u5e72\u6270\u60c5\u51b5\u5b58\u5728\u663e\u8457\u5dee\u5f02\u3002\u4f4e\u9891\u6bb5(\u5982868 MHz)\u901a\u5e38\u5177\u6709\u66f4\u957f\u7684\u4f20\u8f93\u8ddd\u79bb\u548c\u66f4\u5f3a\u7684\u6297\u5e72\u6270\u80fd\u529b\uff0c\u800c\u9ad8\u9891\u6bb5(\u5982923 MHz)\u5219\u66f4\u5bb9\u6613\u53d7\u5230\u5e72\u6270\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e09\u3001 LoRa\u5929\u7ebf\u8bbe\u8ba1\u4ee5\u63d0\u9ad8\u4f20\u8f93\u8ddd\u79bb\u548c\u51cf\u5c11\u4fe1\u53f7\u8870\u51cf?<\/h2>\n\n\n\n<p>\u3000\u3000\u4e3a\u4e86\u4f18\u5316LoRa\u5929\u7ebf\u8bbe\u8ba1\u4ee5\u63d0\u9ad8\u4f20\u8f93\u8ddd\u79bb\u548c\u51cf\u5c11\u4fe1\u53f7\u8870\u51cf\uff0c\u53ef\u4ee5\u4ece\u4ee5\u4e0b\u51e0\u4e2a\u65b9\u9762\u8fdb\u884c\u6539\u8fdb\uff1a<\/p>\n\n\n\n<p>\u3000\u3000\u4f7f\u7528\u9ad8\u589e\u76ca\u5929\u7ebf\u53ef\u4ee5\u663e\u8457\u63d0\u5347LoRa\u4fe1\u53f7\u7684\u8986\u76d6\u8303\u56f4\u3002\u5b9e\u9a8c\u8868\u660e\uff0c\u901a\u8fc7\u8c03\u6574\u5929\u7ebf\u589e\u76ca\u4ece1\u81f325\u5206\u8d1d\uff0c\u94fe\u8def\u9884\u7b97\u4ece141 dBm\u589e\u52a0\u5230166 dBm\uff0c\u8986\u76d6\u533a\u57df\u5f97\u4ee5\u6269\u5927\u3002\u56e0\u6b64\uff0c\u63a8\u8350\u4f7f\u7528\u9ad8\u589e\u76ca\u5929\u7ebf\uff0c\u5982\u87ba\u65cb\u5929\u7ebf\u6216\u5fae\u5e26\u8d34\u7247\u5929\u7ebf\uff0c\u8fd9\u4e9b\u5929\u7ebf\u5177\u6709\u8f83\u9ad8\u7684\u589e\u76ca\u548c\u826f\u597d\u7684\u8f90\u5c04\u6a21\u5f0f\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u8282\u70b9\u7075\u654f\u5ea6\u4e0e\u8986\u76d6\u8303\u56f4\u5448\u6b63\u76f8\u5173\u3002\u901a\u8fc7\u964d\u4f4e\u8282\u70b9\u7075\u654f\u5ea6\uff0c\u53ef\u4ee5\u589e\u52a0\u8986\u76d6\u8ddd\u79bb\u3002\u4f8b\u5982\uff0c\u5c06\u8282\u70b9\u7075\u654f\u5ea6\u4ece-124 dBm\u8c03\u6574\u5230-130 dBm\uff0c\u4f20\u611f\u5668\u8986\u76d6\u8ddd\u79bb\u4ece945\u7c73\u589e\u52a0\u52303986\u7c73\u3002\u56e0\u6b64\uff0c\u5728\u8bbe\u8ba1\u65f6\u5e94\u8003\u8651\u5408\u7406\u8bbe\u7f6e\u8282\u70b9\u7075\u654f\u5ea6\uff0c\u4ee5\u5e73\u8861\u8986\u76d6\u8303\u56f4\u548c\u4fe1\u53f7\u8d28\u91cf\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u4f7f\u7528\u8f83\u4f4e\u9891\u7387(\u5982900 MHz)\u76f8\u6bd4\u9ad8\u9891(\u59822.4 GHz)\u80fd\u591f\u51cf\u5c11\u8def\u5f84\u635f\u8017\uff0c\u4ece\u800c\u63d0\u9ad8\u4f20\u8f93\u8ddd\u79bb\u3002\u540c\u65f6\uff0c\u5408\u7406\u9009\u62e9\u6269\u9891\u56e0\u5b50\u4e5f\u5f88\u91cd\u8981\uff0c\u8f83\u4f4e\u7684\u6269\u9891\u56e0\u5b50\u53ef\u4ee5\u51cf\u5c11\u6bd4\u7279\u9519\u8bef\u7387\u548c\u6570\u636e\u5305\u4e22\u5931\u7387\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u5929\u7ebf\u5e94\u5c3d\u91cf\u653e\u7f6e\u5728\u5f00\u9614\u5730\u5e26\u6216\u9ad8\u5904\uff0c\u4ee5\u51cf\u5c11\u4fe1\u53f7\u8870\u51cf\u3002\u4f8b\u5982\uff0c\u5c06\u5929\u7ebf\u653e\u7f6e\u5728\u5ba4\u5916\u9ad8\u5904\u6216\u5c71\u9876\uff0c\u53ef\u4ee5\u663e\u8457\u6539\u5584\u4fe1\u53f7\u8d28\u91cf\u3002\u6b64\u5916\uff0c\u907f\u514d\u5c06\u5929\u7ebf\u653e\u7f6e\u5728\u91d1\u5c5e\u58f3\u5185\u90e8\u6216\u5730\u4e0b\u5ba4\uff0c\u56e0\u4e3a\u8fd9\u4e9b\u73af\u5883\u4f1a\u5bfc\u81f4\u4fe1\u53f7\u8870\u51cf\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u5728\u5929\u7ebf\u8bbe\u8ba1\u4e2d\u5f15\u5165\u53cc\u53cd\u5c04\u5668\u548c\u9635\u5217\u6392\u5217\u65b9\u5f0f\uff0c\u53ef\u4ee5\u8fdb\u4e00\u6b65\u63d0\u5347\u5929\u7ebf\u7684\u589e\u76ca\u548c\u6027\u80fd\u3002\u4f8b\u5982\uff0c\u5728915 MHz\u9891\u7387\u4e0b\u4f7f\u7528\u53cc\u53cd\u5c04\u5668\u7684\u5fae\u5e26\u8d34\u7247E\u5f62\u9635\u5217\u5929\u7ebf\uff0c\u589e\u76ca\u8fbe\u52309.72 dBi\uff0c\u5e76\u4e14\u5177\u6709\u826f\u597d\u7684\u5e26\u5bbd\u548c\u8f90\u5c04\u6a21\u5f0f\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u5728\u7279\u5b9a\u5e94\u7528\u573a\u666f\u4e2d\uff0c\u5982\u5730\u4e0b\u901a\u4fe1\uff0c\u9700\u8981\u8003\u8651\u571f\u58e4\u4ecb\u7535\u5e38\u6570\u5bf9\u5929\u7ebf\u7279\u6027\u7684\u5f71\u54cd\u3002\u4f8b\u5982\uff0c\u5728\u76f8\u5bf9\u5e72\u71e5\u7684\u571f\u58e4\u6761\u4ef6\u4e0b\u4f7f\u7528433MHz LoRa\u6280\u672f\uff0c\u901a\u8fc7\u589e\u52a0\u53d1\u5c04\u529f\u7387\u548c\u964d\u4f4e\u6570\u636e\u901f\u7387\u6765\u63d0\u9ad8\u4fe1\u53f7\u8d28\u91cf\u548c\u4f20\u8f93\u8ddd\u79bb\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u4f7f\u7528ADR\u7cfb\u7edf\u53ef\u4ee5\u6709\u6548\u89e3\u51b3\u79fb\u52a8\u536b\u661f\u9762\u4e34\u7684\u591a\u666e\u52d2\u6548\u5e94\u95ee\u9898\uff0c\u4ece\u800c\u63d0\u9ad8\u4fe1\u53f7\u7684\u7a33\u5b9a\u6027\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u56db\u3001 LoRa\u4fe1\u53f7\u5728\u57ce\u5e02\u73af\u5883\u4e2d\u9047\u5230\u7684\u4e3b\u8981\u5e72\u6270\u6e90<\/h2>\n\n\n\n<p>\u3000\u3000LoRa\u4fe1\u53f7\u5728\u57ce\u5e02\u73af\u5883\u4e2d\u9047\u5230\u7684\u4e3b\u8981\u5e72\u6270\u6e90\u5305\u62ec\u4ee5\u4e0b\u51e0\u79cd\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000<strong>\u5176\u4ed6\u6b21\u4e8e\u5343\u5146\u8d6b\u5179\uff08sub-GHz\uff09\u6280\u672f\u548c\u5176\u4ed6LoRaWAN\u7f51\u7edc<\/strong>\uff1a\u5728\u57ce\u5e02\u73af\u5883\u4e2d\uff0c\u5c24\u5176\u662f\u5728\u9ad8\u5bc6\u5ea6\u7684\u7269\u8054\u7f51(IoT)\u90e8\u7f72\u533a\u57df\uff0cLoRa\u4fe1\u53f7\u4f1a\u53d7\u5230\u5176\u4ed6\u6b21\u4e8e\u5343\u5146\u8d6b\u5179\u6280\u672f\u548c\u5176\u4ed6LoRaWAN\u7f51\u7edc\u7684\u5e72\u6270\u3002\u4f8b\u5982\uff0c\u5728\u683c\u62c9\u65af\u54e5CBD\u7684\u7814\u7a76\u4e2d\uff0c868 MHz ISM\u9891\u6bb5\u663e\u793a\u51fa\u663e\u8457\u7684\u4fe1\u53f7\u6d3b\u52a8\uff0c\u4e0a\u884c\u94fe\u8def\u548c\u4e0b\u884c\u94fe\u8def\u7684\u5e72\u6270\u6982\u7387\u5206\u522b\u9ad8\u8fbe97.3%\u548c54%\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u5efa\u7b51\u7269\u548c\u5176\u4ed6\u5730\u5f62\u969c\u788d\u7269<\/strong>\uff1a\u5927\u578b\u5efa\u7b51\u7269\u548c\u5176\u4ed6\u5730\u5f62\u969c\u788d\u7269\u5bf9LoRa\u4fe1\u53f7\u4f20\u64ad\u9020\u6210\u663e\u8457\u5f71\u54cd\u3002\u4f8b\u5982\uff0c\u5728\u9ad8\u5927\u5efa\u7b51\u5bc6\u96c6\u533a\u57df\uff0c\u4fe1\u53f7\u8d28\u91cf\u4f1a\u56e0\u5efa\u7b51\u7269\u4f53\u79ef\u8f83\u5927\u800c\u4e0b\u964d\uff0c\u5bfc\u81f4\u4fe1\u53f7\u8986\u76d6\u8303\u56f4\u53d7\u9650\u3002\u6b64\u5916\uff0c\u5efa\u7b51\u7269\u5185\u90e8\u7684\u591a\u6b21\u53cd\u5c04\u4e5f\u4f1a\u4ea7\u751f\u4e32\u6270\uff0c\u8fdb\u4e00\u6b65\u964d\u4f4e\u4fe1\u53f7\u8d28\u91cf\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u79fb\u52a8\u901a\u4fe1\u8bbe\u5907\u548cWi-Fi\u8def\u7531\u5668<\/strong>\uff1a\u5728\u5efa\u7b51\u7269\u5185\u4f7f\u7528LoRa\u7cfb\u7edf\u65f6\uff0c\u79fb\u52a8\u901a\u4fe1\u8bbe\u5907\u548cWi-Fi\u8def\u7531\u5668\u4ea7\u751f\u7684\u4fe1\u53f7\u4f1a\u5f62\u6210\u5e72\u6270\u80cc\u666f\uff0c\u88ab\u89c6\u4e3a\u201c\u767d\u566a\u58f0\u201d\uff0c\u8fd9\u4e9b\u8bbe\u5907\u7684\u5e72\u6270\u4f1a\u5bf9LoRa\u4fe1\u53f7\u4ea7\u751f\u8d1f\u9762\u5f71\u54cd\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u591a\u5f84\u6548\u5e94\u548c\u9634\u5f71\u6548\u5e94<\/strong>\uff1a\u7531\u4e8eLoRa\u4fe1\u53f7\u5229\u7528\u4f4e\u9891\u8f7d\u6ce2\uff0c\u66f4\u5bb9\u6613\u53d7\u5230\u884d\u5c04\u548c\u5e72\u6270\u7684\u5f71\u54cd\uff0c\u7279\u522b\u662f\u5728\u5ba4\u5185\u73af\u5883\u4e2d\uff0c\u8282\u70b9\u5468\u56f4\u6709\u5927\u91cf\u4fe1\u53f7\u53cd\u5c04\u5668\u548c\u5c4f\u853d\u7269\uff0c\u5bfc\u81f4\u76f2\u533a\u7684\u51fa\u73b0\uff0c\u4ece\u800c\u589e\u52a0\u4e86\u5305\u4e22\u5931\u7387\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u3000\u3000\u4e3a\u4e86\u51cf\u8f7b\u8fd9\u4e9b\u5e72\u6270\uff0c\u53ef\u4ee5\u91c7\u53d6\u4ee5\u4e0b\u63aa\u65bd\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000<strong>\u9009\u62e9\u5408\u9002\u7684\u4fe1\u9053\u548c\u9891\u6bb5<\/strong>\uff1a\u901a\u8fc7\u9009\u62e9\u672a\u88ab\u5e7f\u6cdb\u4f7f\u7528\u7684\u4fe1\u9053\u548c\u9891\u6bb5\uff0c\u53ef\u4ee5\u51cf\u5c11\u4e0e\u5176\u4ed6\u6280\u672f\u7684\u5e72\u6270\u3002\u4f8b\u5982\uff0c\u907f\u514d\u4f7f\u7528868 MHz ISM\u9891\u6bb5\u4e2d\u5df2\u9ad8\u5ea6\u62e5\u6324\u7684\u5b50\u9891\u6bb5\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u4f18\u5316\u7f51\u7edc\u90e8\u7f72<\/strong>\uff1a\u5728\u89c4\u5212\u7f51\u7edc\u5b89\u88c5\u65f6\uff0c\u5e94\u5c3d\u91cf\u907f\u514d\u9ad8\u5bc6\u5ea6\u5efa\u7b51\u7269\u533a\u57df\uff0c\u5e76\u5408\u7406\u9009\u62e9\u5929\u7ebf\u9ad8\u5ea6\u548c\u4f4d\u7f6e\uff0c\u4ee5\u51cf\u5c11\u5efa\u7b51\u7269\u548c\u5176\u4ed6\u969c\u788d\u7269\u5bf9\u4fe1\u53f7\u7684\u5f71\u54cd\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u4f7f\u7528\u6297\u5e72\u6270\u6280\u672f<\/strong>\uff1a\u4f8b\u5982\uff0cAloba\u7b97\u6cd5\u901a\u8fc7OOK\u8c03\u5236\u73af\u5883\u4e2d\u7684LoRa\u4fe1\u53f7\u6765\u5b9e\u73b0\u81ea\u5e72\u6270\u6291\u5236\uff0c\u53ef\u4ee5\u5728\u4e00\u5b9a\u7a0b\u5ea6\u4e0a\u7f13\u89e3\u7531\u4e8e\u8f7d\u6ce2\u4fe1\u53f7\u548c\u56de\u6ce2\u4fe1\u53f7\u4f20\u64ad\u8def\u5f84\u4e0d\u540c\u5bfc\u81f4\u7684\u9891\u7387\u504f\u79fb\u95ee\u9898\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u589e\u52a0\u7f51\u5173\u5bc6\u5ea6<\/strong>\uff1a\u5728\u5b58\u5728\u5927\u91cf\u5e72\u6270\u6e90\u7684\u57ce\u5e02\u73af\u5883\u4e2d\uff0c\u589e\u52a0\u7f51\u5173\u5bc6\u5ea6\u53ef\u4ee5\u63d0\u9ad8\u4fe1\u53f7\u8986\u76d6\u8303\u56f4\u548c\u53ef\u9760\u6027\u3002\u7136\u800c\uff0c\u8fd9\u5c06\u663e\u8457\u589e\u52a0\u8fd0\u8425\u6210\u672c\uff0c\u5e76\u53ef\u80fd\u5bfc\u81f4\u4fe1\u53f7\u8fdb\u4e00\u6b65\u5bc6\u96c6\u5316\u548c\u91cd\u53e0\u3002<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e94\u3001 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class=\"wp-block-heading\">\u3000\u3000\u516d\u3001 LoRa\u534f\u8bae\u7684\u6570\u636e\u5305\u4e22\u5931\u7387\u95ee\u9898\u6709\u54ea\u4e9b\u89e3\u51b3\u65b9\u6848<\/h2>\n\n\n\n<p>\u3000\u3000\u9488\u5bf9LoRa\u534f\u8bae\u7684\u6570\u636e\u5305\u4e22\u5931\u7387\u95ee\u9898\uff0c\u53ef\u4ee5\u91c7\u7528\u4ee5\u4e0b\u51e0\u79cd\u6709\u6548\u7684\u89e3\u51b3\u65b9\u6848\u6216\u6280\u672f\uff1a<\/p>\n\n\n\n<ul 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