{"id":98508,"date":"2024-10-25T09:39:22","date_gmt":"2024-10-25T01:39:22","guid":{"rendered":"\/\/www.viralrail.com\/?p=98508"},"modified":"2024-10-25T09:40:30","modified_gmt":"2024-10-25T01:40:30","slug":"lplkycsdy","status":"publish","type":"post","link":"\/\/www.viralrail.com\/blog\/98508.html","title":{"rendered":"LoRa433\u9891\u7387\u53ef\u4ee5\u4f20\u8f93\u591a\u8fdc"},"content":{"rendered":"\n<p>\u3000\u3000<strong>LoRa<\/strong> <strong>433 MHz\u9891\u6bb5<\/strong>\u7684\u4f20\u8f93\u8ddd\u79bb\u53d6\u51b3\u4e8e\u591a\u79cd\u56e0\u7d20\uff0c\u5305\u62ec\u53d1\u5c04\u529f\u7387\u3001\u63a5\u6536\u7075\u654f\u5ea6\u3001\u5929\u7ebf\u8d28\u91cf\u3001\u5730\u5f62\u548c\u73af\u5883\u6761\u4ef6\u7b49\u3002\u4e00\u822c\u60c5\u51b5\u4e0b\uff0c\u5728\u5f00\u9614\u7684\u3001\u65e0\u906e\u6321\u7684\u73af\u5883\u4e2d\uff0cLoRa 433 MHz\u7684\u4f20\u8f93\u8ddd\u79bb\u53ef\u4ee5\u8fbe\u5230<strong>10\u516c\u91cc\u523015\u516c\u91cc<\/strong>\u751a\u81f3\u66f4\u8fdc\u3002\u5728\u57ce\u5e02\u6216\u5efa\u7b51\u7269\u8f83\u591a\u7684\u73af\u5883\u4e2d\uff0c\u4f20\u8f93\u8ddd\u79bb\u901a\u5e38\u4f1a\u6709\u6240\u4e0b\u964d\uff0c\u53ef\u80fd\u5728<strong>\u51e0\u516c\u91cc\u523010\u516c\u91cc<\/strong>\u4e4b\u95f4\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u5f71\u54cdLoRa 433 MHz\u4f20\u8f93\u8ddd\u79bb\u7684\u5173\u952e\u56e0\u7d20\u6709\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000<strong>\u53d1\u5c04\u529f\u7387<\/strong>\uff1a\u53d1\u5c04\u529f\u7387\u8d8a\u5927\uff0c\u4f20\u8f93\u8ddd\u79bb\u8d8a\u8fdc\u3002\u901a\u5e38LoRa\u8bbe\u5907\u7684\u53d1\u5c04\u529f\u7387\u572810\u523020 dBm\u4e4b\u95f4\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u63a5\u6536\u7075\u654f\u5ea6<\/strong>\uff1a\u63a5\u6536\u7075\u654f\u5ea6\u8d8a\u9ad8\uff0c\u63a5\u6536\u5230\u7684\u4fe1\u53f7\u8d8a\u5f31\u65f6\u4f9d\u7136\u80fd\u591f\u89e3\u7801\u3002\u56e0\u6b64\uff0c\u63d0\u5347\u63a5\u6536\u5668\u7684\u7075\u654f\u5ea6\u53ef\u4ee5\u63d0\u9ad8\u4f20\u8f93\u8ddd\u79bb\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u5929\u7ebf<\/strong>\uff1a\u5929\u7ebf\u7684\u589e\u76ca\u548c\u4f4d\u7f6e\u5bf9\u4f20\u8f93\u8ddd\u79bb\u6709\u663e\u8457\u5f71\u54cd\u3002\u9ad8\u589e\u76ca\u3001\u5916\u7f6e\u5929\u7ebf\u901a\u5e38\u80fd\u8986\u76d6\u66f4\u8fdc\u7684\u8ddd\u79bb\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u73af\u5883\u6761\u4ef6<\/strong>\uff1a\u5728\u5f00\u9614\u7684\u6237\u5916\u73af\u5883\u4e2d\uff0cLoRa\u4fe1\u53f7\u4f20\u64ad\u8f83\u597d\uff0c\u4f20\u8f93\u8ddd\u79bb\u66f4\u8fdc;\u800c\u5728\u57ce\u5e02\u6216\u6709\u8f83\u591a\u969c\u788d\u7269\u7684\u73af\u5883\u4e2d\uff0c\u4fe1\u53f7\u4f1a\u53d7\u5230\u53cd\u5c04\u3001\u8870\u51cf\u7b49\u5f71\u54cd\uff0c\u5bfc\u81f4\u8ddd\u79bb\u7f29\u77ed\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u9891\u6bb5\u548c\u4f20\u8f93\u901f\u7387<\/strong>\uff1a433 MHz\u7684\u9891\u7387\u8f83\u4f4e\uff0c\u5177\u6709\u8f83\u597d\u7684\u7a7f\u900f\u80fd\u529b\uff0c\u76f8\u6bd4\u4e8e868 MHz\u6216915 MHz\u9891\u6bb5\u7684LoRa\u4fe1\u53f7\u66f4\u9002\u5408\u5728\u969c\u788d\u7269\u8f83\u591a\u7684\u73af\u5883\u4e2d\u4f20\u64ad\u3002\u4f46\u8f83\u4f4e\u7684\u9891\u7387\u901a\u5e38\u4e5f\u4f34\u968f\u7740\u8f83\u4f4e\u7684\u6570\u636e\u4f20\u8f93\u901f\u7387\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u3000\u3000\u56e0\u6b64\uff0c\u5b9e\u9645\u5e94\u7528\u4e2d\uff0cLoRa 433 MHz\u7684\u4f20\u8f93\u8ddd\u79bb\u53ef\u80fd\u6839\u636e\u4e0d\u540c\u573a\u666f\u548c\u73af\u5883\u6761\u4ef6\u6709\u8f83\u5927\u5dee\u5f02\u3002\u5982\u679c\u9700\u8981\u5b9e\u73b0\u66f4\u8fdc\u7684\u4f20\u8f93\u8ddd\u79bb\uff0c\u901a\u5e38\u4f1a\u9009\u62e9\u4f4e\u901f\u7387\u7684\u4f20\u8f93\u6a21\u5f0f\u5e76\u4f18\u5316\u5929\u7ebf\u8bbe\u8ba1\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e00\u3001 LoRa\u6280\u672f\u5728433MHz\u9891\u6bb5\u4e0a\u8fbe\u523020\u516c\u91cc\u4f20\u8f93\u8ddd\u79bb\u7684\u5177\u4f53\u6761\u4ef6\u662f\u4ec0\u4e48?<\/h2>\n\n\n\n<p>\u3000\u3000LoRa\u6280\u672f\u5728433MHz\u9891\u6bb5\u4e0a\u8fbe\u523020\u516c\u91cc\u4f20\u8f93\u8ddd\u79bb\u7684\u5177\u4f53\u6761\u4ef6\u5305\u62ec\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000<strong>\u4f7f\u7528\u5168\u5411\u5929\u7ebf<\/strong>\uff1a\u63d0\u5230\uff0c\u4f7f\u7528\u5168\u5411\u5929\u7ebf\u65f6\uff0c\u4fe1\u53f7\u53ef\u4ee5\u4f20\u64ad20\u516c\u91cc\u3002\u8fd9\u8868\u660e\u5929\u7ebf\u7c7b\u578b\u5bf9LoRa\u7684\u4f20\u8f93\u8ddd\u79bb\u6709\u663e\u8457\u5f71\u54cd\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u73af\u5883\u6761\u4ef6\u548c\u53d1\u5c04\u529f\u7387<\/strong>\uff1a\u6307\u51fa\uff0cLoRa\u7684\u901a\u4fe1\u8ddd\u79bb\u53d6\u51b3\u4e8e\u73af\u5883\u6761\u4ef6\u548c\u53d1\u5c04\u529f\u7387\u3002\u8fd9\u610f\u5473\u7740\u5728\u4e0d\u540c\u7684\u73af\u5883\u6761\u4ef6\u4e0b\uff0c\u5373\u4f7f\u4f7f\u7528\u76f8\u540c\u7684\u8bbe\u5907\uff0c\u4f20\u8f93\u8ddd\u79bb\u4e5f\u53ef\u80fd\u4e0d\u540c\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u9891\u7387\u9009\u62e9<\/strong>\uff1a\u63d0\u5230\uff0cLoRa\u7684\u5de5\u4f5c\u9891\u7387\u4e3b\u8981\u5206\u4e3a\u4e09\u4e2a\u9891\u6bb5\uff0c\u5206\u522b\u662f433MHz\u3001868MHz\u548c915MHz\u3002\u5728\u8fd9\u4e09\u4e2a\u9891\u6bb5\u4e2d\uff0c\u5de5\u4f5c\u9891\u7387\u8d8a\u9ad8\uff0c\u901a\u4fe1\u8ddd\u79bb\u5c31\u8d8a\u77ed\u3002\u56e0\u6b64\uff0c\u5728433MHz\u9891\u6bb5\u4e0a\uff0cLoRa\u6280\u672f\u53ef\u4ee5\u5b9e\u73b0\u8f83\u8fdc\u7684\u4f20\u8f93\u8ddd\u79bb\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u6269\u9891\u56e0\u5b50\uff08SF\uff09\u548c\u8c03\u5236\u5e26\u5bbd\uff08BW\uff09<\/strong>&nbsp;\uff1a\u63d0\u5230\uff0c\u6269\u9891\u56e0\u5b50(SF)\u548c\u8c03\u5236\u5e26\u5bbd(BW)\u76f4\u63a5\u5f71\u54cd\u4e86\u63a5\u6536\u7075\u654f\u5ea6\uff0c\u4ece\u800c\u5f71\u54cd\u4fe1\u53f7\u4f20\u8f93\u8ddd\u79bb\u3002\u63d0\u9ad8\u7075\u654f\u5ea6\u53ef\u4ee5\u589e\u52a0\u4f20\u8f93\u8ddd\u79bb\u3002<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e8c\u3001 \u5728\u4e0d\u540c\u73af\u5883\u6761\u4ef6\u4e0b\uff0cLoRa\u6280\u672f\u5728433MHz\u9891\u6bb5\u4e0a\u7684\u4f20\u8f93\u8ddd\u79bb\u6709\u4f55\u5dee\u5f02?<\/h2>\n\n\n\n<p>\u3000\u3000LoRa\u6280\u672f\u5728433MHz\u9891\u6bb5\u4e0a\u7684\u4f20\u8f93\u8ddd\u79bb\u4f1a\u53d7\u5230\u591a\u79cd\u73af\u5883\u6761\u4ef6\u7684\u5f71\u54cd\u3002\u9996\u5148\uff0cLoRa\u6280\u672f\u662f\u4e00\u79cd\u57fa\u4e8e\u6269\u9891\u8c03\u5236\u7684\u4f4e\u529f\u8017\u8fdc\u8ddd\u79bb\u65e0\u7ebf\u901a\u4fe1\u6280\u672f\uff0c\u9002\u7528\u4e8e\u7269\u8054\u7f51\u548c\u8fdc\u7a0b\u76d1\u63a7\u7b49\u9886\u57df\u3002\u7136\u800c\uff0cLoRa\u7684\u4f20\u64ad\u8ddd\u79bb\u4e0d\u4ec5\u53d6\u51b3\u4e8e\u5176\u5de5\u4f5c\u9891\u7387\uff0c\u8fd8\u53d7\u5230\u5730\u7406\u6761\u4ef6\u548c\u73af\u5883\u7279\u6027\u7684\u5f71\u54cd\uff0c\u5982\u5efa\u7b51\u7269\u3001\u5730\u5f62\u7b49\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u5728\u4e0d\u540c\u7684\u73af\u5883\u6761\u4ef6\u4e0b\uff0cLoRa\u7684\u4f20\u8f93\u8ddd\u79bb\u53ef\u80fd\u4f1a\u6709\u6240\u4e0d\u540c\u3002\u4f8b\u5982\uff0c\u5728\u5f00\u9614\u5730\u533a\u5982\u5e73\u539f\u548c\u6d77\u6d0b\uff0cLoRa\u53ef\u80fd\u63d0\u4f9b\u66f4\u597d\u7684\u4f20\u64ad\u6548\u679c\u3002\u6b64\u5916\uff0cLoRa\u6a21\u5757\u7684\u5de5\u4f5c\u9891\u7387\u8d8a\u4f4e\uff0c\u5176\u901a\u4fe1\u8ddd\u79bb\u901a\u5e38\u8d8a\u8fdc\u3002\u56e0\u6b64\uff0c\u5728433MHz\u9891\u6bb5\u4e0a\uff0cLoRa\u6280\u672f\u7684\u4f20\u8f93\u8ddd\u79bb\u53ef\u80fd\u4f1a\u6bd4\u5176\u4ed6\u66f4\u9ad8\u9891\u7387\u7684\u9891\u6bb5\u66f4\u957f\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u7136\u800c\uff0c\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0cLoRa\u6280\u672f\u5728\u4e0d\u540c\u5730\u533a\u548c\u9891\u6bb5\u4e0a\u7684\u5177\u4f53\u8868\u73b0\u53ef\u80fd\u4f1a\u6709\u6240\u4e0d\u540c\u3002\u4f8b\u5982\uff0c\u5728\u6b27\u6d32\uff0cLoRa\u901a\u5e38\u4f7f\u7528868MHz\u9891\u6bb5\uff0c\u5728\u5317\u7f8e\u5219\u4f7f\u7528915MHz\u9891\u6bb5\u3002\u800c\u5728\u4e9a\u6d32\uff0c\u5305\u62ec\u6cf0\u56fd\u5728\u5185\u7684\u5730\u533a\uff0cLoRa\u53ef\u4ee5\u4f7f\u7528433MHz\u548c915MHz\u9891\u6bb5\u3002\u56e0\u6b64\uff0c\u4e0d\u540c\u5730\u533a\u7684\u9891\u8c31\u4f7f\u7528\u60c5\u51b5\u4e5f\u4f1a\u5f71\u54cdLoRa\u7684\u4f20\u8f93\u8ddd\u79bb\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e09\u3001 LoRa\u6280\u672f\u5728433MHz\u9891\u6bb5\u4e0a\u7684\u4f20\u8f93\u8ddd\u79bb\u4f1a\u56e0\u73af\u5883\u6761\u4ef6\u548c\u5730\u7406\u56e0\u7d20\u7684\u4e0d\u540c\u800c\u6709\u6240\u5dee\u5f02\u3002<\/h2>\n\n\n\n<p>\u3000\u3000LoRa\u6a21\u5757\u5728433MHz\u9891\u6bb5\u4e0a\u7684\u6700\u5927\u4f20\u8f93\u8ddd\u79bb\u4e0e\u6700\u5c0f\u4f20\u8f93\u8ddd\u79bb\u4e4b\u95f4\u7684\u6807\u51c6\u5dee\u662f\u591a\u5c11?<\/p>\n\n\n\n<p>\u3000\u3000LoRa\u6a21\u5757\u5728433MHz\u9891\u6bb5\u4e0a\u7684\u6700\u5927\u4f20\u8f93\u8ddd\u79bb\u4e3a\u51e0\u5341\u516c\u91cc\uff0c\u800c\u6700\u5c0f\u4f20\u8f93\u8ddd\u79bb\u4e3a3\u52305\u5343\u7c73\u3002\u56e0\u6b64\uff0cLoRa\u6a21\u5757\u5728433MHz\u9891\u6bb5\u4e0a\u7684\u6700\u5927\u4f20\u8f93\u8ddd\u79bb\u4e0e\u6700\u5c0f\u4f20\u8f93\u8ddd\u79bb\u4e4b\u95f4\u7684\u6807\u51c6\u5dee\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u8ba1\u7b97\u5f97\u51fa\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000\u6807\u51c6\u5dee = (\u6700\u5927\u4f20\u8f93\u8ddd\u79bb &#8211; \u6700\u5c0f\u4f20\u8f93\u8ddd\u79bb) \/ 2<\/li>\n\n\n\n<li>\u3000\u3000\u6807\u51c6\u5dee = (\u51e0\u5341\u516c\u91cc &#8211; 3\u5343\u7c73) \/ 2<\/li>\n\n\n\n<li>\u3000\u3000\u6807\u51c6\u5dee = (30\u5343\u7c73 &#8211; 3\u5343\u7c73) \/ 2<\/li>\n\n\n\n<li>\u3000\u3000\u6807\u51c6\u5dee = 27\u5343\u7c73 \/ 2<\/li>\n\n\n\n<li>\u3000\u3000\u6807\u51c6\u5dee = 13.5\u5343\u7c73<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u56db\u3001 \u5982\u4f55\u4f18\u5316LoRa\u6280\u672f\u5728433MHz\u9891\u6bb5\u4e0a\u7684\u4f20\u8f93\u8ddd\u79bb?<\/h2>\n\n\n\n<p>\u3000\u3000\u8981\u4f18\u5316LoRa\u6280\u672f\u5728433MHz\u9891\u6bb5\u4e0a\u7684\u4f20\u8f93\u8ddd\u79bb\uff0c\u53ef\u4ee5\u91c7\u53d6\u4ee5\u4e0b\u51e0\u79cd\u65b9\u6cd5\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000<strong>\u63d0\u9ad8\u53d1\u5c04\u529f\u7387<\/strong>\uff1a\u589e\u52a0\u53d1\u5c04\u529f\u7387\u662f\u63d0\u5347LoRa\u4f20\u8f93\u8ddd\u79bb\u7684\u6709\u6548\u65b9\u6cd5\u3002\u4f8b\u5982\uff0c\u5c06\u53d1\u5c04\u529f\u7387\u4ece13 dBm\u63d0\u9ad8\u523019 dBm\uff0c\u901a\u4fe1\u8ddd\u79bb\u53ef\u4ee5\u5ef6\u957f\u5230\u539f\u6765\u7684\u4e24\u500d\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u4f18\u5316\u5929\u7ebf\u589e\u76ca<\/strong>\uff1a\u63d0\u9ad8\u53d1\u5c04\u5929\u7ebf\u548c\u63a5\u6536\u5929\u7ebf\u7684\u589e\u76ca\u4e5f\u80fd\u663e\u8457\u589e\u52a0\u4f20\u8f93\u8ddd\u79bb\u3002\u4f8b\u5982\uff0c\u5c06\u53d1\u5c04\u5929\u7ebf\u589e\u76ca\u4ece3 dBi\u63d0\u9ad8\u52309 dBi\uff0c\u6216\u8005\u5c06\u63a5\u6536\u5929\u7ebf\u589e\u76ca\u4ece1.5 dBi\u63d0\u9ad8\u52307.5 dBi\uff0c\u90fd\u4f1a\u4f7f\u901a\u4fe1\u8ddd\u79bb\u589e\u52a0\u4e00\u500d\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u964d\u4f4e\u9988\u7ebf\u63d2\u635f<\/strong>\uff1a\u901a\u8fc7\u4f18\u5316\u5c04\u9891\u5370\u5236\u677f\u548c\u9988\u7ebf\u7684\u963b\u6297\u5339\u914d\uff0c\u9009\u7528\u4f18\u8d28\u5c04\u9891\u8fde\u63a5\u5934\u5e76\u8fdb\u884c\u9632\u6c34\u5904\u7406\uff0c\u5c3d\u53ef\u80fd\u7f29\u77ed\u9988\u7ebf\u957f\u5ea6\u4ee5\u53ca\u9009\u7528\u635f\u8017\u66f4\u4f4e\u7684\u9988\u7ebf\u6750\u6599\uff0c\u53ef\u4ee5\u6709\u6548\u51cf\u5c11\u4fe1\u53f7\u5728\u4f20\u8f93\u8fc7\u7a0b\u4e2d\u7684\u635f\u8017\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u964d\u4f4e\u7a7a\u4e2d\u4f20\u64ad\u635f\u8017<\/strong>\uff1a\u5c3d\u91cf\u51cf\u5c11\u4fe1\u53f7\u4f20\u64ad\u8fc7\u7a0b\u4e2d\u7684\u969c\u788d\u7269\uff0c\u4f8b\u5982\u5c06LoRa\u7f51\u5173\u67b6\u8bbe\u5728\u9ad8\u5904\u5982\u697c\u9876\u6216\u94c1\u5854\u4e0a\uff0c\u5e76\u786e\u4fdd\u5929\u7ebf\u4e0e\u5730\u9762\u5782\u76f4\uff0c\u5468\u56f4\u65e0\u906e\u6321\uff0c\u4ee5\u4fdd\u8bc1\u89c6\u8ddd\u901a\u4fe1\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u964d\u4f4e\u8f7d\u6ce2\u9891\u7387<\/strong>\uff1a\u964d\u4f4e\u8f7d\u6ce2\u9891\u7387(\u5373\u51cf\u5c0ff\u7684\u4ee3\u6570\u503c)\u4e5f\u53ef\u4ee5\u6709\u6548\u589e\u52a0\u901a\u4fe1\u8ddd\u79bb\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u4f18\u5316\u5360\u7a7a\u6bd4<\/strong>\uff1a\u8c03\u6574\u6bcf\u4e2aLoRa\u7f51\u7edc\u8282\u70b9\u7684\u5360\u7a7a\u6bd4\u4ee5\u6700\u5927\u5316\u6570\u636e\u4f20\u8f93\u548c\u9891\u7387\u901f\u7387\uff0c\u4ece\u800c\u63d0\u9ad8\u901a\u4fe1\u8303\u56f4\u3002<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e94\u3001 LoRa\u6280\u672f\u5728433MHz\u9891\u6bb5\u4e0a\u7684\u4f20\u8f93\u8ddd\u79bb\u4e0e\u5176\u5b83\u65e0\u7ebf\u901a\u4fe1\u6280\u672f(\u5982Wi-Fi\u3001\u84dd\u7259)\u76f8\u6bd4\u5982\u4f55?<\/h2>\n\n\n\n<p>\u3000\u3000LoRa \u6280\u672f\u5728 433 MHz \u9891\u6bb5\u7684\u4f20\u8f93\u8ddd\u79bb\u4e0e\u5176\u4ed6\u5e38\u89c1\u7684\u65e0\u7ebf\u901a\u4fe1\u6280\u672f(\u5982 Wi-Fi \u548c\u84dd\u7259)\u76f8\u6bd4\uff0c\u5177\u6709\u663e\u8457\u7684\u4f18\u52bf\uff0c\u7279\u522b\u662f\u5728\u8fdc\u8ddd\u79bb\u4f20\u8f93\u65b9\u9762\u3002\u8fd9\u4e9b\u65e0\u7ebf\u6280\u672f\u5728\u8bbe\u8ba1\u76ee\u6807\u3001\u5e94\u7528\u573a\u666f\u3001\u9891\u6bb5\u548c\u4f20\u8f93\u529f\u8017\u65b9\u9762\u6709\u5f88\u5927\u5dee\u5f02\uff0c\u5bfc\u81f4\u5b83\u4eec\u7684\u8986\u76d6\u8303\u56f4\u548c\u6027\u80fd\u5dee\u5f02\u5f88\u5927\u3002\u4ee5\u4e0b\u662f\u5177\u4f53\u7684\u5bf9\u6bd4\uff1a<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30001.&nbsp;<strong>\u4f20\u8f93\u8ddd\u79bb<\/strong><\/h3>\n\n\n\n<p>\u3000\u3000<strong>LoRa 433 MHz<\/strong>\uff1a<\/p>\n\n\n\n<p>\u3000\u3000LoRa \u5728 433 MHz \u9891\u6bb5\u4e0a\uff0c\u51ed\u501f\u5176\u4f4e\u9891\u7279\u6027\u548c\u6269\u9891\u8c03\u5236\u6280\u672f\uff0c\u53ef\u4ee5\u5728\u5f00\u9614\u73af\u5883\u4e2d\u5b9e\u73b0<strong>10-15 \u516c\u91cc<\/strong>\u751a\u81f3\u66f4\u8fdc\u7684\u4f20\u8f93\u8ddd\u79bb\uff0c\u5728\u57ce\u5e02\u6216\u6709\u969c\u788d\u7269\u7684\u73af\u5883\u4e2d\u4e5f\u80fd\u8fbe\u5230<strong>\u51e0\u516c\u91cc<\/strong>\u7684\u4f20\u8f93\u8ddd\u79bb\u3002LoRa \u7684\u4f20\u8f93\u8ddd\u79bb\u8fdc\u80dc\u4e8e\u4f20\u7edf\u7684\u77ed\u8ddd\u79bb\u901a\u4fe1\u6280\u672f\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>Wi-Fi<\/strong>\uff1a<\/p>\n\n\n\n<p>\u3000\u3000Wi-Fi \u7684\u9891\u6bb5\u901a\u5e38\u5728 2.4 GHz \u6216 5 GHz\uff0c\u8fd9\u4e24\u4e2a\u9891\u6bb5\u7684\u9891\u7387\u8f83\u9ad8\uff0c\u5bfc\u81f4\u4fe1\u53f7\u7a7f\u900f\u6027\u8f83\u5dee\u3002\u4e00\u822c\u60c5\u51b5\u4e0b\uff0c\u6807\u51c6 Wi-Fi(\u5982 802.11n \u6216 802.11ac)\u5728\u5ba4\u5185\u7684\u4f20\u8f93\u8ddd\u79bb\u5927\u7ea6\u4e3a&nbsp;<strong>50-100 \u7c73<\/strong>\uff0c\u5728\u5f00\u9614\u7684\u6237\u5916\u73af\u5883\u4e0b\u53ef\u8fbe\u5230<strong>200 \u7c73<\/strong>\u5de6\u53f3\uff0c\u4f46\u8981\u8fdb\u4e00\u6b65\u6269\u5c55\u8ddd\u79bb\u9700\u8981\u4e2d\u7ee7\u5668\u6216\u4e13\u95e8\u7684\u7f51\u72b6\u7f51\u7edc\u8bbe\u8ba1\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u84dd\u7259<\/strong>\uff1a<\/p>\n\n\n\n<p>\u3000\u3000\u84dd\u7259\u7684\u9891\u6bb5\u540c\u6837\u662f 2.4 GHz\uff0c\u8fd9\u4f7f\u5f97\u5176\u7a7f\u900f\u80fd\u529b\u53d7\u9650\u3002\u4f20\u7edf\u7684\u84dd\u7259\u4f20\u8f93\u8ddd\u79bb\u5728&nbsp;<strong>10 \u7c73<\/strong>\u5de6\u53f3\uff0c\u800c\u4f4e\u529f\u8017\u84dd\u7259(BLE)\u7684\u4f20\u8f93\u8ddd\u79bb\u53ef\u5ef6\u957f\u5230&nbsp;<strong>50-100 \u7c73<\/strong>\uff0c\u4f46\u4ecd\u8fdc\u4e0d\u53ca LoRa\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30002.&nbsp;<strong>\u5e94\u7528\u573a\u666f\u4e0e\u76ee\u6807<\/strong><\/h3>\n\n\n\n<p>\u3000\u3000<strong>LoRa<\/strong>\uff1a<\/p>\n\n\n\n<p>\u3000\u3000\u8bbe\u8ba1\u76ee\u6807\u662f\u4f4e\u529f\u8017\u3001\u8fdc\u8ddd\u79bb\u3001\u4f4e\u6570\u636e\u901f\u7387\u7684\u901a\u4fe1\uff0c\u9002\u5408\u7269\u8054\u7f51(IoT)\u573a\u666f\uff0c\u5982\u8fdc\u7a0b\u6284\u8868\u3001\u73af\u5883\u76d1\u6d4b\u3001\u8d44\u4ea7\u8ffd\u8e2a\u7b49\u3002\u5176\u4f4e\u9891\u6bb5\u4f7f\u5f97\u5b83\u5728\u4f4e\u6570\u636e\u901f\u7387\u4e0b\u8868\u73b0\u826f\u597d\uff0c\u80fd\u591f\u5b9e\u73b0\u5927\u8303\u56f4\u7684\u8986\u76d6\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>Wi-Fi<\/strong>\uff1a<\/p>\n\n\n\n<p>\u3000\u3000Wi-Fi \u8bbe\u8ba1\u7684\u76ee\u6807\u662f\u9ad8\u5e26\u5bbd\u7684\u5c40\u57df\u7f51\u901a\u4fe1\uff0c\u7528\u4e8e\u63d0\u4f9b\u9ad8\u901f\u4e92\u8054\u7f51\u63a5\u5165\u548c\u672c\u5730\u7f51\u7edc\u8bbe\u5907\u4e92\u8fde\u3002Wi-Fi \u8ffd\u6c42\u66f4\u9ad8\u7684\u6570\u636e\u4f20\u8f93\u901f\u7387\uff0c\u4f46\u5728\u8fdc\u8ddd\u79bb\u548c\u4f4e\u529f\u8017\u65b9\u9762\u7684\u8868\u73b0\u4e0d\u5982 LoRa\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u84dd\u7259<\/strong>\uff1a<\/p>\n\n\n\n<p>\u3000\u3000\u84dd\u7259\u5219\u4e3b\u8981\u7528\u4e8e\u77ed\u8ddd\u79bb\u7684\u8bbe\u5907\u4e92\u8fde\u548c\u6570\u636e\u4f20\u8f93\uff0c\u5e94\u7528\u5305\u62ec\u8033\u673a\u3001\u667a\u80fd\u624b\u8868\u3001\u952e\u76d8\u7b49\u8bbe\u5907\u7684\u8fde\u63a5\u3002\u4f4e\u529f\u8017\u84dd\u7259(BLE)\u8bbe\u8ba1\u7684\u4e3b\u8981\u76ee\u6807\u662f\u77ed\u8ddd\u79bb\u3001\u4f4e\u529f\u8017\u7684\u6570\u636e\u4f20\u8f93\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30003.&nbsp;<strong>\u9891\u6bb5\u548c\u7a7f\u900f\u6027<\/strong><\/h3>\n\n\n\n<p>\u3000\u3000<strong>LoRa 433 MHz<\/strong>\uff1a<\/p>\n\n\n\n<p>\u3000\u3000\u4f4e\u9891\u6bb5(433 MHz)\u5177\u6709\u826f\u597d\u7684\u7a7f\u900f\u6027\uff0c\u80fd\u591f\u66f4\u597d\u5730\u7a7f\u900f\u969c\u788d\u7269\uff0c\u5982\u5899\u58c1\u3001\u6811\u6728\u7b49\u3002\u5728\u590d\u6742\u5730\u5f62\u6216\u5bc6\u96c6\u7684\u57ce\u5e02\u73af\u5883\u4e2d\uff0cLoRa 433 MHz \u9891\u6bb5\u7684\u4fe1\u53f7\u635f\u5931\u76f8\u5bf9\u8f83\u5c0f\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>Wi-Fi \u548c\u84dd\u7259<\/strong>\uff1a<\/p>\n\n\n\n<p>\u3000\u3000\u7531\u4e8e Wi-Fi \u548c\u84dd\u7259\u9891\u7387\u8f83\u9ad8(2.4 GHz \u6216 5 GHz)\uff0c\u5728\u9047\u5230\u969c\u788d\u7269\u65f6\uff0c\u4fe1\u53f7\u8870\u51cf\u66f4\u5feb\uff0c\u5bfc\u81f4\u5b83\u4eec\u5728\u5ba4\u5185\u73af\u5883\u4e2d\u7684\u6709\u6548\u8986\u76d6\u8303\u56f4\u8f83\u5c0f\u3002\u6b64\u5916\uff0c\u9ad8\u9891\u4fe1\u53f7\u7684\u53cd\u5c04\u548c\u5e72\u6270\u4e5f\u4f1a\u5f71\u54cd\u4f20\u8f93\u8d28\u91cf\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30004.&nbsp;<strong>\u529f\u8017<\/strong><\/h3>\n\n\n\n<p>\u3000\u3000<strong>LoRa<\/strong>\uff1a<\/p>\n\n\n\n<p>\u3000\u3000LoRa \u91c7\u7528\u7684\u662f\u4f4e\u529f\u8017\u5e7f\u57df\u7f51(LPWAN)\u6280\u672f\uff0c\u8bbe\u8ba1\u7684\u521d\u8877\u5c31\u662f\u5728\u8f83\u4f4e\u7684\u529f\u8017\u4e0b\u5b9e\u73b0\u8fdc\u8ddd\u79bb\u7684\u901a\u4fe1\uff0c\u975e\u5e38\u9002\u5408\u7535\u6c60\u4f9b\u7535\u7684\u8bbe\u5907\u6216\u5bf9\u529f\u8017\u654f\u611f\u7684\u5e94\u7528\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>Wi-Fi \u548c\u84dd\u7259<\/strong>\uff1a<\/p>\n\n\n\n<p>\u3000\u3000\u76f8\u6bd4\u4e4b\u4e0b\uff0cWi-Fi \u9700\u8981\u8f83\u9ad8\u7684\u529f\u8017\u4ee5\u652f\u6301\u9ad8\u901f\u4f20\u8f93\uff0c\u800c\u84dd\u7259\u4f4e\u529f\u8017(BLE)\u6a21\u5f0f\u5219\u5728\u77ed\u8ddd\u79bb\u548c\u4f4e\u6570\u636e\u901f\u7387\u4e0b\u5177\u6709\u8f83\u4f4e\u7684\u529f\u8017\uff0c\u4f46\u529f\u8017\u6c34\u5e73\u4ecd\u9ad8\u4e8e LoRa\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u3000\u603b\u7ed3<\/h3>\n\n\n\n<p>\u3000\u3000LoRa 433 MHz \u9891\u6bb5\u7684\u6700\u5927\u4f18\u52bf\u5728\u4e8e\u5176<strong>\u8fdc\u8ddd\u79bb\u4f20\u8f93\u80fd\u529b<\/strong>\u548c<strong>\u4f4e\u529f\u8017\u7279\u6027<\/strong>\u3002\u4e0e Wi-Fi \u548c\u84dd\u7259\u76f8\u6bd4\uff0cLoRa \u7684\u4f20\u8f93\u8ddd\u79bb\u8981\u957f\u5f97\u591a\uff0c\u4f46\u5176\u6570\u636e\u4f20\u8f93\u901f\u7387\u76f8\u5bf9\u8f83\u4f4e\uff0c\u9002\u5408\u8fdc\u8ddd\u79bb\u3001\u4f4e\u901f\u7387\u7684\u6570\u636e\u91c7\u96c6\u548c\u76d1\u63a7\u7c7b\u5e94\u7528\u3002\u800c Wi-Fi \u548c\u84dd\u7259\u5219\u66f4\u9002\u5408\u9ad8\u5e26\u5bbd\u3001\u77ed\u8ddd\u79bb\u7684\u901a\u4fe1\u5e94\u7528\u573a\u666f\uff0c\u5982\u4e92\u8054\u7f51\u63a5\u5165\u548c\u8bbe\u5907\u4e92\u8054\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>LoRa 433 MHz\u9891\u6bb5\u7684\u4f20\u8f93\u8ddd\u79bb\u53d6\u51b3\u4e8e\u591a\u79cd\u56e0\u7d20\uff0c\u5305\u62ec\u53d1\u5c04\u529f\u7387\u3001\u63a5\u6536\u7075\u654f\u5ea6\u3001\u5929\u7ebf\u8d28\u91cf\u3001\u5730\u5f62\u548c\u73af\u5883\u6761\u4ef6\u7b49\u3002\u4e00\u822c\u60c5\u51b5\u4e0b\uff0c\u5728\u5f00\u9614\u7684\u3001\u65e0\u906e\u6321\u7684\u73af\u5883\u4e2d<\/p>\n","protected":false},"author":1,"featured_media":96079,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"default","ast-global-header-display":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","footnotes":""},"categories":[36],"tags":[333,54],"class_list":["post-98508","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-m-5","tag-l-2"],"_links":{"self":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts\/98508"}],"collection":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/comments?post=98508"}],"version-history":[{"count":0,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts\/98508\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/media\/96079"}],"wp:attachment":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/media?parent=98508"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/categories?post=98508"},{"taxonomy":"post_tag","embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/tags?post=98508"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}