{"id":99293,"date":"2024-11-17T15:48:05","date_gmt":"2024-11-17T07:48:05","guid":{"rendered":"\/\/www.viralrail.com\/?p=99293"},"modified":"2024-11-17T15:48:10","modified_gmt":"2024-11-17T07:48:10","slug":"lwxtxmkdcsjl","status":"publish","type":"post","link":"\/\/www.viralrail.com\/blog\/99293.html","title":{"rendered":"LoRa\u65e0\u7ebf\u901a\u4fe1\u6a21\u5757\u7684\u4f20\u8f93\u8ddd\u79bb\uff1f"},"content":{"rendered":"\n<p>\u3000\u3000<strong><a href=\"\/\/www.viralrail.com\/blog\/99159.html\" data-type=\"post\" data-id=\"99159\">LoRa\u65e0\u7ebf\u901a\u4fe1\u6a21\u5757<\/a><\/strong>\u7684\u4f20\u8f93\u8ddd\u79bb\u56e0\u73af\u5883\u6761\u4ef6\u548c\u8bbe\u5907\u914d\u7f6e\u7684\u4e0d\u540c\u800c\u6709\u6240\u5dee\u5f02\u3002\u5728\u7406\u60f3\u6761\u4ef6\u4e0b\uff0c<strong><a href=\"https:\/\/baike.baidu.com\/item\/LoRa\/58702571\" target=\"_blank\" data-type=\"link\" data-id=\"https:\/\/baike.baidu.com\/item\/LoRa\/58702571\" rel=\"noreferrer noopener nofollow\">LoRa<\/a><\/strong>\u6a21\u5757\u7684\u4f20\u8f93\u8ddd\u79bb\u53ef\u4ee5\u8fbe\u5230\u975e\u5e38\u8fdc\u7684\u8ddd\u79bb\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000\u5728\u65e0\u969c\u788d\u7269\u7684\u60c5\u51b5\u4e0b\uff0cLoRa\u6a21\u5757\u7684\u4f20\u8f93\u8ddd\u79bb\u53ef\u4ee5\u8fbe\u52305\u516c\u91cc\u751a\u81f310\u516c\u91cc\u3002<\/li>\n\n\n\n<li>\u3000\u3000\u5728\u519c\u6751\u6216\u5f00\u9614\u73af\u5883\u4e2d\uff0cLoRa\u6a21\u5757\u7684\u4f20\u8f93\u8ddd\u79bb\u901a\u5e38\u53ef\u4ee5\u8fbe\u523010\u516c\u91cc\u3002<\/li>\n\n\n\n<li>\u3000\u3000\u5728\u57ce\u5e02\u73af\u5883\u4e2d\uff0cLoRa\u6a21\u5757\u7684\u4f20\u8f93\u8ddd\u79bb\u4e00\u822c\u57282\u52305\u516c\u91cc\u4e4b\u95f4\u3002<\/li>\n\n\n\n<li>\u3000\u3000\u5728\u7279\u5b9a\u6761\u4ef6\u4e0b\uff0c\u4f8b\u5982\u4f7f\u7528\u9ad8\u589e\u76ca\u5b9a\u5411\u5929\u7ebf\u6216\u4f18\u5316\u8c03\u5236\u53c2\u6570\uff0cLoRa\u6a21\u5757\u751a\u81f3\u53ef\u4ee5\u5b9e\u73b0\u66f4\u8fdc\u7684\u4f20\u8f93\u8ddd\u79bb\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u3000\u3000\u6b64\u5916\uff0cLoRa\u6a21\u5757\u7684\u4f20\u8f93\u8ddd\u79bb\u8fd8\u53d7\u5230\u53d1\u5c04\u529f\u7387\u3001\u63a5\u6536\u7075\u654f\u5ea6\u3001\u5929\u7ebf\u589e\u76ca\u548c\u73af\u5883\u6761\u4ef6\u7b49\u591a\u79cd\u56e0\u7d20\u7684\u5f71\u54cd\u3002\u4f8b\u5982\uff0c\u5728915 MHz\u9891\u7387\u4e0b\uff0cLoRa\u6a21\u5757\u7684\u4f20\u8f93\u8ddd\u79bb\u8f83\u77ed\uff0c\u800c\u5728868 MHz\u9891\u7387\u4e0b\u5219\u8868\u73b0\u66f4\u597d\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong><a href=\"\/\/www.viralrail.com\/blog\/66597.html\" data-type=\"post\" data-id=\"66597\">LoRa\u65e0\u7ebf\u901a\u4fe1\u6a21\u5757\u7684\u4f20\u8f93\u8ddd\u79bb<\/a>\u5728\u7406\u60f3\u6761\u4ef6\u4e0b\u53ef\u4ee5\u8fbe\u5230\u6570\u5341\u516c\u91cc\uff0c\u4f46\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u901a\u5e38\u5728\u51e0\u516c\u91cc\u5230\u5341\u51e0\u516c\u91cc\u4e4b\u95f4<\/strong>\uff0c\u5177\u4f53\u53d6\u51b3\u4e8e\u73af\u5883\u6761\u4ef6\u548c\u8bbe\u5907\u914d\u7f6e\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img decoding=\"async\" width=\"726\" height=\"450\" src=\"\/\/www.viralrail.com\/wp-content\/uploads\/2024\/01\/lorawanquanguochan2411801.jpg\" alt=\"lorawan\" class=\"wp-image-87300\" srcset=\"\/\/www.viralrail.com\/wp-content\/uploads\/2024\/01\/lorawanquanguochan2411801.jpg 726w, \/\/www.viralrail.com\/wp-content\/uploads\/2024\/01\/lorawanquanguochan2411801-300x186.jpg 300w, \/\/www.viralrail.com\/wp-content\/uploads\/2024\/01\/lorawanquanguochan2411801-600x372.jpg 600w\" sizes=\"(max-width: 726px) 100vw, 726px\" \/><figcaption class=\"wp-element-caption\">lorawan<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e00\u3001 LoRa\u65e0\u7ebf\u901a\u4fe1\u6a21\u5757\u5728\u4e0d\u540c\u9891\u7387\u4e0b\u7684\u4f20\u8f93\u8ddd\u79bb<\/h2>\n\n\n\n<p>\u3000\u3000<a href=\"\/\/www.viralrail.com\/blog\/99164.html\" data-type=\"post\" data-id=\"99164\">LoRa\u65e0\u7ebf\u901a\u4fe1\u6a21\u5757<\/a>\u5728\u4e0d\u540c\u9891\u7387\u4e0b\u7684\u4f20\u8f93\u8ddd\u79bb\u5b58\u5728\u663e\u8457\u5dee\u5f02\u3002\u4ee5\u4e0b\u662f\u57fa\u4e8e\u6211\u641c\u7d22\u5230\u7684\u8d44\u6599\u5bf9\u4e0d\u540c\u9891\u7387\u4e0bLoRa\u4f20\u8f93\u8ddd\u79bb\u7684\u8be6\u7ec6\u6bd4\u8f83\uff1a<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u3000<strong>915 MHz\u9891\u6bb5<\/strong>\uff1a<\/h3>\n\n\n\n<p>\u3000\u3000\u5728\u81ea\u7531\u7a7a\u95f4\u4e2d\uff0cLoRa\u5728915 MHz\u9891\u6bb5\u4e0b\u53ef\u4ee5\u5b9e\u73b0\u6700\u5927\u4f20\u8f93\u8ddd\u79bb\u7ea63\u516c\u91cc\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u5728\u5b9e\u9a8c\u4e2d\uff0c\u4f7f\u7528BME280\u4f20\u611f\u5668\u8fdb\u884c\u6d4b\u8bd5\u65f6\uff0cLoRa\u5728915 MHz\u9891\u6bb5\u4e0b\u4ece\u53d1\u5c04\u5668\u5230\u63a5\u6536\u5668\u7684\u8ddd\u79bb\u4e3a100\u7c73\u65f6\u4fe1\u53f7\u5f3a\u5ea6\u4e3a-84 dBm\uff0c\u800c500\u7c73\u65f6\u4fe1\u53f7\u5f3a\u5ea6\u4e3a-107 dBm\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u3000<strong>868 MHz\u9891\u6bb5<\/strong>\uff1a<\/h3>\n\n\n\n<p>\u3000\u3000\u5728\u81ea\u7531\u7a7a\u95f4\u3001\u5ba4\u5185\u548c\u57ce\u5e02\u73af\u5883\u4e2d\uff0cLoRa\u5728868 MHz\u9891\u6bb5\u4e0a\u7684\u6570\u636e\u901f\u7387\u6700\u9ad8\u53ef\u8fbe253.91 kbit\/s\uff0c\u4f46\u5176\u901a\u4fe1\u8303\u56f4\u8f83915 MHz\u9891\u6bb5\u6709\u6240\u51cf\u5c11\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u5177\u4f53\u800c\u8a00\uff0c\u5728\u81ea\u7531\u7a7a\u95f4\u4e2d\uff0cLoRa\u5728868 MHz\u9891\u6bb5\u4e0b\u7684\u4f20\u8f93\u8ddd\u79bb\u901a\u5e38\u57281\u52305\u516c\u91cc\u4e4b\u95f4\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u3000<strong>433 MHz\u9891\u6bb5<\/strong>\uff1a<\/h3>\n\n\n\n<p>\u3000\u3000\u867d\u7136\u6ca1\u6709\u76f4\u63a5\u63d0\u5230433 MHz\u9891\u6bb5\u7684\u5177\u4f53\u4f20\u8f93\u8ddd\u79bb\uff0c\u4f46\u6839\u636eLoRa\u6280\u672f\u7684\u4e00\u822c\u7279\u6027\uff0c\u8f83\u4f4e\u9891\u7387(\u5982433 MHz)\u901a\u5e38\u5177\u6709\u66f4\u957f\u7684\u4f20\u8f93\u8ddd\u79bb\u3002\u7136\u800c\uff0c\u7531\u4e8e\u5e26\u5bbd\u548c\u6570\u636e\u901f\u7387\u8f83\u4f4e\uff0c\u5b9e\u9645\u5e94\u7528\u4e2d\u53ef\u80fd\u9700\u8981\u66f4\u591a\u7684LoRa\u63a5\u6536\u5668\u6765\u8986\u76d6\u5e7f\u9614\u533a\u57df\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u3000<strong>2.4 GHz\u9891\u6bb5<\/strong>\uff1a<\/h3>\n\n\n\n<p>\u3000\u3000\u57282.4 GHz\u9891\u6bb5\u4e0a\uff0cLoRa\u7684\u901a\u4fe1\u8303\u56f4\u660e\u663e\u51cf\u5c11\uff0c\u65e0\u6cd5\u8fbe\u5230\u4e0e\u4f4e\u4e8eGHz\u9891\u6bb5\u76f8\u540c\u7684\u957f\u8ddd\u79bb\u3002\u4f8b\u5982\uff0c\u5728\u81ea\u7531\u7a7a\u95f4\u4e2d\uff0cLoRa\u57282.4 GHz\u9891\u6bb5\u4e0b\u7684\u4f20\u8f93\u8ddd\u79bb\u5927\u7ea6\u4e3a3739\u7c73\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u5c3d\u7ba1\u5982\u6b64\uff0c2.4 GHz\u9891\u6bb5\u4e0a\u7684LoRa\u4ecd\u8868\u73b0\u51fa\u8f83\u597d\u7684\u901a\u4fe1\u8303\u56f4\uff0c\u7279\u522b\u662f\u5728\u79c1\u6709\u90e8\u7f72\u7f51\u7edc\u4e2d\u7528\u4e8e\u8d44\u4ea7\u8ffd\u8e2a\u548c\u76d1\u63a7\u5927\u578b\u4ed3\u5e93\u3001\u65bd\u5de5\u73b0\u573a\u7b49\u573a\u666f\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u603b\u7ed3\u6765\u8bf4\uff0cLoRa\u65e0\u7ebf\u901a\u4fe1\u6a21\u5757\u5728\u4e0d\u540c\u9891\u7387\u4e0b\u7684\u4f20\u8f93\u8ddd\u79bb\u5982\u4e0b\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000<strong>915 MHz<\/strong>\uff1a\u6700\u5927\u4f20\u8f93\u8ddd\u79bb\u7ea63\u516c\u91cc\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>868 MHz<\/strong>\uff1a\u5178\u578b\u4f20\u8f93\u8ddd\u79bb\u57281\u52305\u516c\u91cc\u4e4b\u95f4\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>433 MHz<\/strong>\uff1a\u901a\u5e38\u5177\u6709\u66f4\u957f\u7684\u4f20\u8f93\u8ddd\u79bb\uff0c\u4f46\u5177\u4f53\u6570\u503c\u672a\u660e\u786e\u63d0\u53ca\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>2.4 GHz<\/strong>\uff1a\u4f20\u8f93\u8ddd\u79bb\u663e\u8457\u51cf\u5c11\uff0c\u7ea6\u4e3a3739\u7c73\u3002<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img decoding=\"async\" width=\"726\" height=\"450\" src=\"\/\/www.viralrail.com\/wp-content\/uploads\/2023\/11\/lorawan240729b.jpg\" alt=\"\" class=\"wp-image-96080\" srcset=\"\/\/www.viralrail.com\/wp-content\/uploads\/2023\/11\/lorawan240729b.jpg 726w, \/\/www.viralrail.com\/wp-content\/uploads\/2023\/11\/lorawan240729b-300x186.jpg 300w, \/\/www.viralrail.com\/wp-content\/uploads\/2023\/11\/lorawan240729b-600x372.jpg 600w\" sizes=\"(max-width: 726px) 100vw, 726px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e8c\u3001 \u5982\u4f55\u4f18\u5316LoRa\u65e0\u7ebf\u901a\u4fe1\u6a21\u5757\u7684\u8c03\u5236\u53c2\u6570\u4ee5\u63d0\u9ad8\u4f20\u8f93\u8ddd\u79bb?<\/h2>\n\n\n\n<p>\u3000\u3000\u8981\u4f18\u5316<a href=\"\/\/www.viralrail.com\/blog\/94062.html\" data-type=\"post\" data-id=\"94062\">LoRa\u65e0\u7ebf\u901a\u4fe1\u6a21\u5757<\/a>\u7684\u8c03\u5236\u53c2\u6570\u4ee5\u63d0\u9ad8\u4f20\u8f93\u8ddd\u79bb\uff0c\u53ef\u4ee5\u8003\u8651\u4ee5\u4e0b\u51e0\u4e2a\u65b9\u9762\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000<strong>\u6269\u5c55\u56e0\u5b50\uff08SF\uff09<\/strong>&nbsp;\uff1a\u6269\u5c55\u56e0\u5b50\u662f\u5f71\u54cdLoRa\u4fe1\u53f7\u4f20\u8f93\u6027\u80fd\u7684\u91cd\u8981\u53c2\u6570\u3002\u8f83\u9ad8\u7684\u6269\u5c55\u56e0\u5b50(\u5982SF12)\u80fd\u591f\u589e\u52a0\u4fe1\u53f7\u7684\u6297\u566a\u58f0\u80fd\u529b\uff0c\u4ece\u800c\u63d0\u9ad8\u63a5\u6536\u7075\u654f\u5ea6\u548c\u4f20\u8f93\u8ddd\u79bb\u3002\u7136\u800c\uff0c\u8f83\u9ad8\u7684\u6269\u5c55\u56e0\u5b50\u4f1a\u589e\u52a0\u7a7a\u4e2d\u65f6\u95f4(ToA)\uff0c\u964d\u4f4e\u6570\u636e\u4f20\u8f93\u901f\u7387\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u5e26\u5bbd\uff08BW\uff09<\/strong>&nbsp;\uff1a\u5e26\u5bbd\u51b3\u5b9a\u4e86\u4fe1\u53f7\u53ef\u4ee5\u901a\u8fc7\u7684\u9891\u7387\u8303\u56f4\u3002\u8f83\u5c0f\u7684\u5e26\u5bbd(\u5982125 kHz)\u6709\u52a9\u4e8e\u63d0\u9ad8\u63a5\u6536\u5668\u7684\u7075\u654f\u5ea6\uff0c\u4ece\u800c\u5ef6\u957f\u4f20\u8f93\u8ddd\u79bb\u3002\u4f46\u662f\uff0c\u8f83\u5c0f\u7684\u5e26\u5bbd\u4f1a\u964d\u4f4e\u6570\u636e\u4f20\u8f93\u901f\u7387\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u7f16\u7801\u7387\uff08CR\uff09<\/strong>&nbsp;\uff1a\u7f16\u7801\u7387\u5f71\u54cd\u6570\u636e\u4f20\u8f93\u7684\u9519\u8bef\u66f4\u6b63\u80fd\u529b\u548c\u4f20\u8f93\u65f6\u95f4\u3002\u8f83\u4f4e\u7684\u7f16\u7801\u7387(\u59824\/5)\u53ef\u4ee5\u51cf\u5c11\u4f20\u8f93\u65f6\u95f4\uff0c\u4f46\u4f1a\u964d\u4f4e\u9519\u8bef\u66f4\u6b63\u80fd\u529b\u3002\u8f83\u9ad8\u7684\u7f16\u7801\u7387(\u59824\/8)\u867d\u7136\u589e\u52a0\u4e86\u4f20\u8f93\u65f6\u95f4\uff0c\u4f46\u63d0\u9ad8\u4e86\u4fe1\u53f7\u7684\u6297\u5e72\u6270\u80fd\u529b\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u53d1\u5c04\u529f\u7387\uff08Pt\uff09<\/strong>&nbsp;\uff1a\u63d0\u9ad8\u53d1\u5c04\u529f\u7387\u53ef\u4ee5\u663e\u8457\u589e\u52a0\u901a\u4fe1\u8ddd\u79bb\u3002\u4f8b\u5982\uff0c\u5c06\u53d1\u5c04\u529f\u7387\u4ece13 dBm\u63d0\u9ad8\u523019 dBm\uff0c\u53ef\u4ee5\u4f7f\u901a\u4fe1\u8ddd\u79bb\u5ef6\u957f\u5230\u539f\u6765\u7684\u4e24\u500d\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u5929\u7ebf\u589e\u76ca\uff08Gt \u548c Gr\uff09<\/strong>&nbsp;\uff1a\u63d0\u9ad8\u53d1\u5c04\u5929\u7ebf\u548c\u63a5\u6536\u5929\u7ebf\u7684\u589e\u76ca\u4e5f\u80fd\u6709\u6548\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\u53ef\u4ee5\u4f7f\u901a\u4fe1\u8ddd\u79bb\u5ef6\u957f\u5230\u539f\u6765\u7684\u4e24\u500d\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u963b\u6297\u5339\u914d<\/strong>\uff1a\u786e\u4fdd\u5c04\u9891\u5370\u5236\u677f\u548c\u9988\u7ebf\u7684\u963b\u6297\u5339\u914d\u4e3a50\u6b27\u59c6\uff0c\u4ee5\u51cf\u5c11\u4fe1\u53f7\u53cd\u5c04\u9020\u6210\u7684\u635f\u8017\uff0c\u4ece\u800c\u63d0\u9ad8\u4f20\u8f93\u6548\u7387\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u3000\u3000\u901a\u8fc7\u7efc\u5408\u8c03\u6574\u8fd9\u4e9b\u53c2\u6570\uff0c\u53ef\u4ee5\u5728\u589e\u52a0\u4f20\u8f93\u8ddd\u79bb\u548c\u4fdd\u6301\u6570\u636e\u4f20\u8f93\u901f\u7387\u4e4b\u95f4\u53d6\u5f97\u5e73\u8861\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e09\u3001 \u5728\u57ce\u5e02\u73af\u5883\u4e2d\uff0c\u54ea\u4e9b\u56e0\u7d20\u6700\u5f71\u54cdLoRa\u65e0\u7ebf\u901a\u4fe1\u6a21\u5757\u7684\u4f20\u8f93\u8ddd\u79bb?<\/h2>\n\n\n\n<p>\u3000\u3000\u5728\u57ce\u5e02\u73af\u5883\u4e2d\uff0cLoRa\u65e0\u7ebf\u901a\u4fe1\u6a21\u5757\u7684\u4f20\u8f93\u8ddd\u79bb\u53d7\u5230\u591a\u79cd\u56e0\u7d20\u7684\u5f71\u54cd\u3002\u4ee5\u4e0b\u56e0\u7d20\u6700\u4e3a\u5173\u952e\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000<strong>\u8def\u5f84\u635f\u8017<\/strong>\uff1a\u8def\u5f84\u635f\u8017\u662f\u5f71\u54cdLoRa\u4f20\u8f93\u8ddd\u79bb\u7684\u4e3b\u8981\u56e0\u7d20\u4e4b\u4e00\u3002\u5728\u57ce\u5e02\u73af\u5883\u4e2d\uff0c\u7531\u4e8e\u5efa\u7b51\u7269\u3001\u6811\u6728\u548c\u5176\u4ed6\u969c\u788d\u7269\u7684\u5b58\u5728\uff0c\u4fe1\u53f7\u4f1a\u7ecf\u5386\u591a\u6b21\u53cd\u5c04\u548c\u6563\u5c04\uff0c\u5bfc\u81f4\u8def\u5f84\u635f\u8017\u589e\u52a0\u3002\u8def\u5f84\u635f\u8017\u6a21\u578b(\u5982ECC-33\u6a21\u578b)\u53ef\u4ee5\u7528\u6765\u4f30\u8ba1\u4e0d\u540c\u73af\u5883\u4e0b\u7684\u901a\u4fe1\u8303\u56f4\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u5929\u7ebf\u589e\u76ca\u548c\u89d2\u5ea6<\/strong>\uff1a\u5929\u7ebf\u7684\u589e\u76ca\u548c\u65b9\u5411\u5bf9\u4fe1\u53f7\u7684\u4f20\u64ad\u4e5f\u6709\u663e\u8457\u5f71\u54cd\u3002\u4f8b\u5982\uff0c\u5728\u8fdc\u8ddd\u79bb\u901a\u4fe1\u8fc7\u7a0b\u4e2d\uff0c\u5929\u7ebf\u7684\u89d2\u5ea6\u4f1a\u5f71\u54cd\u4fe1\u53f7\u7684\u8986\u76d6\u8303\u56f4\u3002\u6b64\u5916\uff0c\u5929\u7ebf\u589e\u76ca\u8d8a\u9ad8\uff0c\u4fe1\u53f7\u7684\u4f20\u64ad\u8ddd\u79bb\u8d8a\u8fdc\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u9891\u7387\u548c\u5e26\u5bbd<\/strong>\uff1aLoRa\u7684\u5de5\u4f5c\u9891\u7387\u548c\u5e26\u5bbd\u4e5f\u4f1a\u5f71\u54cd\u5176\u4f20\u8f93\u8ddd\u79bb\u3002\u57282.4 GHz\u9891\u6bb5\u4e0b\uff0cLoRa\u7684\u6700\u5927\u901a\u4fe1\u8ddd\u79bb\u7ea6\u4e3a867\u7c73\u3002\u800c\u5728\u5176\u4ed6\u9891\u6bb5(\u5982915 MHz)\uff0c\u6700\u5927\u4f20\u8f93\u8303\u56f4\u53ef\u80fd\u66f4\u77ed\uff0c\u7ea6\u4e3a250\u7c73\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u6269\u5c55\u56e0\u5b50\uff08SF\uff09<\/strong>&nbsp;\uff1a\u6269\u5c55\u56e0\u5b50\u51b3\u5b9a\u4e86\u4fe1\u53f7\u7684\u6269\u9891\u7a0b\u5ea6\uff0c\u4ece\u800c\u5f71\u54cd\u4f20\u8f93\u8ddd\u79bb\u548c\u6570\u636e\u901f\u7387\u3002\u8f83\u9ad8\u7684\u6269\u5c55\u56e0\u5b50\u53ef\u4ee5\u589e\u52a0\u4f20\u8f93\u8ddd\u79bb\uff0c\u4f46\u540c\u65f6\u4e5f\u4f1a\u589e\u52a0\u5e72\u6270\u7684\u53ef\u80fd\u6027\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u73af\u5883\u566a\u58f0\u548c\u5e72\u6270<\/strong>\uff1a\u57ce\u5e02\u73af\u5883\u4e2d\u7684\u566a\u58f0\u548c\u5e72\u6270\u4f1a\u5bf9\u4fe1\u53f7\u8d28\u91cf\u4ea7\u751f\u8d1f\u9762\u5f71\u54cd\uff0c\u4ece\u800c\u9650\u5236\u4f20\u8f93\u8ddd\u79bb\u3002\u4f8b\u5982\uff0c\u5728\u9ad8\u5bc6\u5ea6\u7684\u57ce\u5e02\u73af\u5883\u4e2d\uff0c\u591a\u666e\u52d2\u6548\u5e94\u548c\u591a\u5f84\u4f20\u64ad\u6548\u5e94\u4f1a\u663e\u8457\u5f71\u54cd\u4fe1\u53f7\u7684\u7a33\u5b9a\u6027\u548c\u53ef\u9760\u6027\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u4fe1\u566a\u6bd4\uff08SNR\uff09<\/strong>&nbsp;\uff1a\u4fe1\u566a\u6bd4\u662f\u8861\u91cf\u4fe1\u53f7\u5f3a\u5ea6\u4e0e\u80cc\u666f\u566a\u58f0\u6c34\u5e73\u4e4b\u6bd4\u7684\u91cd\u8981\u6307\u6807\u3002\u8f83\u9ad8\u7684\u4fe1\u566a\u6bd4\u6709\u52a9\u4e8e\u63d0\u9ad8\u4f20\u8f93\u8ddd\u79bb\u548c\u901a\u4fe1\u8d28\u91cf\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u7f51\u5173\u4f4d\u7f6e<\/strong>\uff1a\u7f51\u5173\u7684\u4f4d\u7f6e\u5bf9\u4f20\u8f93\u8ddd\u79bb\u6709\u91cd\u8981\u5f71\u54cd\u3002\u4f8b\u5982\uff0c\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u90e8\u7f72\u5728\u8f83\u9ad8\u697c\u5c42\u7684\u7f51\u5173\u53ef\u80fd\u65e0\u6cd5\u4e0e\u7ec8\u7aef\u8bbe\u5907\u6709\u6548\u901a\u4fe1\uff0c\u800c\u8f83\u4f4e\u697c\u5c42\u7684\u7f51\u5173\u5219\u53ef\u80fd\u8868\u73b0\u66f4\u597d\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u3000\u3000\u57ce\u5e02\u73af\u5883\u4e2dLoRa\u65e0\u7ebf\u901a\u4fe1\u6a21\u5757\u7684\u4f20\u8f93\u8ddd\u79bb\u4e3b\u8981\u53d7\u5230\u8def\u5f84\u635f\u8017\u3001\u5929\u7ebf\u589e\u76ca\u548c\u89d2\u5ea6\u3001\u9891\u7387\u548c\u5e26\u5bbd\u3001\u6269\u5c55\u56e0\u5b50\u3001\u73af\u5883\u566a\u58f0\u548c\u5e72\u6270\u4ee5\u53ca\u4fe1\u566a\u6bd4\u7b49\u56e0\u7d20\u7684\u5f71\u54cd\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img decoding=\"async\" width=\"726\" height=\"450\" src=\"\/\/www.viralrail.com\/wp-content\/uploads\/2024\/07\/lora240723a.jpg\" alt=\"lora\" class=\"wp-image-95849\" srcset=\"\/\/www.viralrail.com\/wp-content\/uploads\/2024\/07\/lora240723a.jpg 726w, \/\/www.viralrail.com\/wp-content\/uploads\/2024\/07\/lora240723a-300x186.jpg 300w, \/\/www.viralrail.com\/wp-content\/uploads\/2024\/07\/lora240723a-600x372.jpg 600w\" sizes=\"(max-width: 726px) 100vw, 726px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u56db\u3001 \u4f7f\u7528\u9ad8\u589e\u76ca\u5b9a\u5411\u5929\u7ebf\u5bf9LoRa\u65e0\u7ebf\u901a\u4fe1\u6a21\u5757\u4f20\u8f93\u8ddd\u79bb\u7684\u5177\u4f53\u5f71\u54cd\u662f\u4ec0\u4e48?<\/h2>\n\n\n\n<p>\u3000\u3000\u4f7f\u7528\u9ad8\u589e\u76ca\u5b9a\u5411\u5929\u7ebf\u5bf9LoRa\u65e0\u7ebf\u901a\u4fe1\u6a21\u5757\u4f20\u8f93\u8ddd\u79bb\u7684\u5177\u4f53\u5f71\u54cd\u4e3b\u8981\u4f53\u73b0\u5728\u4ee5\u4e0b\u51e0\u4e2a\u65b9\u9762\uff1a<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u4f20\u8f93\u8ddd\u79bb\u7684\u663e\u8457\u589e\u52a0<\/strong>\uff1a\u9ad8\u589e\u76ca\u5b9a\u5411\u5929\u7ebf\u80fd\u591f\u5c06\u4fe1\u53f7\u80fd\u91cf\u96c6\u4e2d\u5728\u4e00\u4e2a\u7279\u5b9a\u65b9\u5411\u4e0a\uff0c\u4ece\u800c\u63d0\u9ad8\u4fe1\u53f7\u7684\u8986\u76d6\u8303\u56f4\u3002\u4f8b\u5982\uff0c\u5728\u5b9e\u9a8c\u4e2d\uff0c\u901a\u8fc7\u8c03\u6574\u5929\u7ebf\u589e\u76ca\u4ece1\u81f325\u5206\u8d1d\uff0c\u94fe\u8def\u9884\u7b97\u4ece141 dBm\u589e\u52a0\u5230166 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class=\"wp-block-heading\">\u3000\u3000\u4e94\u3001 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