{"id":96867,"date":"2024-08-15T17:13:19","date_gmt":"2024-08-15T09:13:19","guid":{"rendered":"\/\/www.viralrail.com\/?p=96867"},"modified":"2024-08-15T17:13:25","modified_gmt":"2024-08-15T09:13:25","slug":"lwxtxmkrhxz","status":"publish","type":"post","link":"\/\/www.viralrail.com\/blog\/96867.html","title":{"rendered":"LoRa\u65e0\u7ebf\u901a\u4fe1\u6a21\u5757\u5982\u4f55\u9009\u62e9"},"content":{"rendered":"\n<p>\u3000\u3000\u9009\u62e9\u5408\u9002\u7684<strong>LoRa\u65e0\u7ebf\u901a\u4fe1\u6a21\u5757<\/strong>\u9700\u8981\u7efc\u5408\u8003\u8651\u591a\u4e2a\u56e0\u7d20\uff0c\u5305\u62ec\u5de5\u4f5c\u9891\u7387\u3001\u8f93\u51fa\u529f\u7387\u3001\u9891\u6bb5\u3001\u82af\u7247\u7c7b\u578b\u3001\u6269\u5c55\u6027\u548c\u5e94\u7528\u573a\u666f\u7b49\u3002\u4ee5\u4e0b\u662f\u8be6\u7ec6\u7684\u9009\u578b\u6307\u5357\uff1a<\/p>\n\n\n\n<p>\u3000\u3000\u4e0d\u540c\u56fd\u5bb6\u548c\u5730\u533a\u6709\u4e0d\u540c\u7684\u9891\u7387\u89c4\u5b9a\uff0c\u56e0\u6b64\u5728\u9009\u62e9LoRa\u6a21\u5757\u65f6\uff0c\u5fc5\u987b\u786e\u4fdd\u6240\u9009\u6a21\u5757\u7b26\u5408\u5f53\u5730\u7684\u6cd5\u89c4\u548c\u6807\u51c6\u3002\u5e38\u89c1\u7684LoRa\u6a21\u5757\u5de5\u4f5c\u9891\u7387\u6709433MHz\u3001868MHz\u548c915MHz\u7b49\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u8f93\u51fa\u529f\u7387\u5f71\u54cd\u6a21\u5757\u7684\u8986\u76d6\u8303\u56f4\u548c\u901a\u4fe1\u8ddd\u79bb\u3002\u4e00\u822c\u6765\u8bf4\uff0c\u8f83\u9ad8\u7684\u8f93\u51fa\u529f\u7387\u53ef\u4ee5\u63d0\u4f9b\u66f4\u8fdc\u7684\u901a\u4fe1\u8ddd\u79bb\uff0c\u4f46\u4e5f\u4f1a\u589e\u52a0\u529f\u8017\u3002\u56e0\u6b64\uff0c\u6839\u636e\u5b9e\u9645\u5e94\u7528\u9700\u6c42\u9009\u62e9\u9002\u5f53\u7684\u8f93\u51fa\u529f\u7387\u662f\u5173\u952e\u3002<\/p>\n\n\n\n<p>\u3000\u3000Semtech\u516c\u53f8\u7684SX1276\/SX1278\/SX1277\/SX1278\u82af\u7247\u662f\u76ee\u524d\u8f83\u4e3a\u6d41\u884c\u7684LoRa\u6a21\u5757\u6838\u5fc3\u82af\u7247\uff0c\u5b83\u4eec\u652f\u6301\u591a\u4e2a\u9891\u6bb5(\u5982868 MHz\u3001915 MHz\u7b49)\uff0c\u5177\u6709\u957f\u8ddd\u79bb\u4f20\u8f93\u548c\u4f4e\u529f\u8017\u7684\u7279\u70b9\uff0c\u5e76\u96c6\u6210\u4e86LoRa\u8c03\u5236\u89e3\u8c03\u5668\u3001\u524d\u5411\u7ea0\u9519\u7f16\u7801\u548c\u6269\u9891\u6280\u672f\uff0c\u80fd\u591f\u5b9e\u73b0\u9ad8\u5ea6\u53ef\u9760\u7684\u901a\u4fe1\u3002<\/p>\n\n\n\n<p>\u3000\u3000LoRa\u6a21\u5757\u901a\u5e38\u5728\u4e0d\u540c\u7684\u9891\u6bb5\u64cd\u4f5c\uff0c\u8f83\u4f4e\u9891\u6bb5(\u5982433MHz)\u901a\u5e38\u5177\u6709\u66f4\u8fdc\u7684\u901a\u4fe1\u8303\u56f4\uff0c\u4f46\u76f8\u5e94\u7684\u6570\u636e\u4f20\u8f93\u901f\u7387\u8f83\u4f4e;\u800c\u8f83\u9ad8\u9891\u6bb5(\u5982868MHz\u3001915MHz)\u5219\u63d0\u4f9b\u66f4\u5feb\u7684\u6570\u636e\u4f20\u8f93\u901f\u7387\uff0c\u4f46\u901a\u4fe1\u8ddd\u79bb\u8f83\u77ed\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u6a21\u5757\u7684\u6269\u5c55\u6027\u548c\u901a\u7528\u6027\u4e5f\u662f\u91cd\u8981\u7684\u8003\u8651\u56e0\u7d20\u3002\u4f8b\u5982\uff0c\u67d0\u4e9b\u6a21\u5757\u53ef\u80fd\u652f\u6301\u591a\u79cd\u5de5\u4f5c\u6a21\u5f0f\u548c\u5929\u7ebf\u8fde\u63a5\u65b9\u5f0f\uff0c\u8fd9\u4f7f\u5f97\u5b83\u4eec\u5728\u4e0d\u540c\u5e94\u7528\u573a\u666f\u4e0b\u66f4\u52a0\u7075\u6d3b\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u6e29\u5ea6\u3001\u6e7f\u5ea6\u7b49\u73af\u5883\u56e0\u7d20\u4f1a\u5f71\u54cdLoRa\u6a21\u5757\u7684\u6027\u80fd\u3002\u56e0\u6b64\uff0c\u5728\u9009\u62e9\u6a21\u5757\u65f6\uff0c\u5e94\u786e\u4fdd\u5176\u5de5\u4f5c\u5728\u63a8\u8350\u7684\u73af\u5883\u6761\u4ef6\u4e0b\uff0c\u5e76\u91c7\u53d6\u9002\u5f53\u7684\u9632\u62a4\u63aa\u65bd\u4ee5\u63d0\u9ad8\u7a33\u5b9a\u6027\u3002<\/p>\n\n\n\n<p>\u3000\u3000LoRa\u6a21\u5757\u7684\u6210\u672c\u76f8\u5bf9\u8f83\u4f4e\uff0c\u4e14\u7531\u4e8e\u5176\u4f4e\u529f\u8017\u7279\u6027\uff0c\u975e\u5e38\u9002\u5408\u9700\u8981\u957f\u65f6\u95f4\u8fd0\u884c\u7684\u7269\u8054\u7f51\u8bbe\u5907\u3002\u6b64\u5916\uff0c\u4e00\u4e9b\u6a21\u5757\u8fd8\u63d0\u4f9b\u4e86\u6807\u51c6\u6613\u7528\u7684\u63a5\u53e3\u548c\u4e30\u5bcc\u7684\u6587\u6863\u652f\u6301\uff0c\u6709\u52a9\u4e8e\u7b80\u5316\u5f00\u53d1\u8fc7\u7a0b\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u5728\u9009\u62e9LoRa\u65e0\u7ebf\u901a\u4fe1\u6a21\u5757\u65f6\uff0c\u5e94\u6839\u636e\u5177\u4f53\u7684\u5e94\u7528\u573a\u666f\u548c\u9700\u6c42\uff0c\u7efc\u5408\u8003\u8651\u4e0a\u8ff0\u5404\u9879\u56e0\u7d20\uff0c\u4ece\u800c\u9009\u62e9\u6700\u9002\u5408\u7684\u6a21\u5757\u7c7b\u578b\u548c\u89c4\u683c\u3002\u8fd9\u6837\u4e0d\u4ec5\u80fd\u4fdd\u8bc1\u901a\u4fe1\u7684\u53ef\u9760\u6027\u548c\u7a33\u5b9a\u6027\uff0c\u8fd8\u80fd\u6709\u6548\u964d\u4f4e\u5f00\u53d1\u548c\u7ef4\u62a4\u6210\u672c\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e00\u3001 LoRa\u65e0\u7ebf\u901a\u4fe1\u6a21\u5757\u5728\u4e0d\u540c\u9891\u6bb5\u4e0b\u7684\u6027\u80fd\u6bd4\u8f83\u662f\u4ec0\u4e48?<\/h2>\n\n\n\n<p>\u3000\u3000LoRa\u65e0\u7ebf\u901a\u4fe1\u6a21\u5757\u5728\u4e0d\u540c\u9891\u6bb5\u4e0b\u7684\u6027\u80fd\u8868\u73b0\u6709\u663e\u8457\u5dee\u5f02\uff0c\u4e3b\u8981\u4f53\u73b0\u5728\u901a\u4fe1\u8ddd\u79bb\u3001\u7a7f\u900f\u80fd\u529b\u548c\u6297\u5e72\u6270\u80fd\u529b\u7b49\u65b9\u9762\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u3000<strong>433MHz\u9891\u6bb5<\/strong>\uff1a<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000<strong>\u901a\u4fe1\u8ddd\u79bb<\/strong>\uff1a\u8f83\u77ed\uff0c\u901a\u5e38\u5728\u51e0\u516c\u91cc\u8303\u56f4\u5185\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u7a7f\u900f\u80fd\u529b<\/strong>\uff1a\u8f83\u597d\uff0c\u9002\u5408\u57ce\u5e02\u548c\u519c\u6751\u7b49\u73af\u5883\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u6297\u5e72\u6270\u80fd\u529b<\/strong>\uff1a\u8f83\u5f3a\uff0c\u9002\u7528\u4e8e\u590d\u6742\u65e0\u7ebf\u73af\u5883\u4e2d\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u3000<strong>868MHz\u9891\u6bb5<\/strong>\uff1a<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000<strong>\u901a\u4fe1\u8ddd\u79bb<\/strong>\uff1a\u4e2d\u7b49\uff0c\u4e00\u822c\u5728\u51e0\u516c\u91cc\u5230\u5341\u51e0\u516c\u91cc\u4e4b\u95f4\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u7a7f\u900f\u80fd\u529b<\/strong>\uff1a\u8f83\u5f3a\uff0c\u80fd\u591f\u63d0\u4f9b\u5e7f\u57df\u8986\u76d6\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u6297\u5e72\u6270\u80fd\u529b<\/strong>\uff1a\u8f83\u597d\uff0c\u9002\u5408\u6b27\u6d32\u5e02\u573a\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u3000<strong>915MHz\u9891\u6bb5<\/strong>\uff1a<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000<strong>\u901a\u4fe1\u8ddd\u79bb<\/strong>\uff1a\u6700\u957f\uff0c\u53ef\u4ee5\u8fbe\u523015\u516c\u91cc\u751a\u81f3\u66f4\u8fdc\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u7a7f\u900f\u80fd\u529b<\/strong>\uff1a\u4e2d\u7b49\uff0c\u9002\u5408\u534a\u5f84500\u7c73\u81f32\u516c\u91cc\u7684\u533a\u57df\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u6297\u5e72\u6270\u80fd\u529b<\/strong>\uff1a\u8f83\u5f3a\uff0c\u9002\u5408\u7f8e\u6d32\u5e02\u573a\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u3000<strong>923MHz\u9891\u6bb5<\/strong>\uff1a<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000<strong>\u901a\u4fe1\u8ddd\u79bb<\/strong>\uff1a\u8f83\u77ed\uff0c\u901a\u5e38\u5728\u51e0\u516c\u91cc\u8303\u56f4\u5185\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u7a7f\u900f\u80fd\u529b<\/strong>\uff1a\u8f83\u597d\uff0c\u9002\u5408\u57ce\u5e02\u548c\u519c\u6751\u7b49\u73af\u5883\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u6297\u5e72\u6270\u80fd\u529b<\/strong>\uff1a\u8f83\u5f3a\uff0c\u9002\u7528\u4e8e\u590d\u6742\u65e0\u7ebf\u73af\u5883\u4e2d\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u3000\u3000\u603b\u7ed3\u6765\u8bf4\uff0cLoRa\u65e0\u7ebf\u901a\u4fe1\u6a21\u5757\u5728\u4e0d\u540c\u9891\u6bb5\u4e0b\u5177\u6709\u4e0d\u540c\u7684\u6027\u80fd\u7279\u70b9\u3002\u4f8b\u5982\uff0c\u5728433MHz\u9891\u6bb5\u4e0b\uff0c\u867d\u7136\u901a\u4fe1\u8ddd\u79bb\u8f83\u77ed\uff0c\u4f46\u7a7f\u900f\u80fd\u529b\u548c\u6297\u5e72\u6270\u80fd\u529b\u8f83\u597d;\u800c\u5728915MHz\u9891\u6bb5\u4e0b\uff0c\u901a\u4fe1\u8ddd\u79bb\u6700\u957f\uff0c\u9002\u5408\u9700\u8981\u957f\u8ddd\u79bb\u4f20\u8f93\u7684\u5e94\u7528\u573a\u666f\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e8c\u3001 Semtech SX1276\/SX1278\/SX1277\/SX1278\u82af\u7247\u7684\u8be6\u7ec6\u6280\u672f\u89c4\u683c\u548c\u5e94\u7528\u6848\u4f8b\u6709\u54ea\u4e9b?<\/h2>\n\n\n\n<p>\u3000\u3000Semtech\u7684SX1276\u3001SX1278\u3001SX1277\u548cSX1279\u82af\u7247\u5747\u91c7\u7528LoRa\u2122\u4e13\u5229\u8c03\u5236\u6280\u672f\uff0c\u63d0\u4f9b\u8d85\u957f\u8ddd\u79bb\u6269\u9891\u901a\u4fe1\u548c\u9ad8\u6297\u5e72\u6270\u80fd\u529b\uff0c\u540c\u65f6\u5c06\u7535\u6d41\u6d88\u8017\u964d\u81f3\u6700\u4f4e\u3002\u8fd9\u4e9b\u82af\u7247\u7684\u7075\u654f\u5ea6\u8d85\u8fc7-148dBm\uff0c\u4f7f\u7528\u4f4e\u6210\u672c\u7684\u6676\u4f53\u548c\u7269\u6599\u5373\u53ef\u5b9e\u73b0\u8fd9\u4e00\u6027\u80fd\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u5177\u4f53\u6765\u8bf4\uff0cSX1276\u548cSX1278\u82af\u7247\u90fd\u5177\u5907\u4ee5\u4e0b\u6280\u672f\u89c4\u683c\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000\u9ad8\u7075\u654f\u5ea6\uff1a\u8d85\u8fc7-148dBm\u3002<\/li>\n\n\n\n<li>\u3000\u3000\u529f\u7387\u8f93\u51fa\uff1a+20dBm\u3002<\/li>\n\n\n\n<li>\u3000\u3000LoRa\u2122\u957f\u8ddd\u79bb\u8c03\u5236\u89e3\u8c03\u5668\uff0c\u652f\u6301\u8d85\u957f\u8ddd\u79bb\u901a\u4fe1\u3002<\/li>\n\n\n\n<li>\u3000\u3000\u9ad8\u6297\u5e72\u6270\u80fd\u529b\u3002<\/li>\n\n\n\n<li>\u3000\u3000\u4f4e\u529f\u8017\u8bbe\u8ba1\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u3000\u3000\u5e94\u7528\u6848\u4f8b\u65b9\u9762\uff0cSX1278\u5728\u7269\u8054\u7f51\u9886\u57df\u6709\u5e7f\u6cdb\u7684\u5e94\u7528\uff0c\u4f8b\u5982\u519c\u4e1a\u7269\u8054\u7f51\u3002\u5728\u519c\u4e1a\u7269\u8054\u7f51\u4e2d\uff0cSX1278\u53ef\u4ee5\u7528\u4e8e\u76d1\u6d4b\u571f\u58e4\u6e7f\u5ea6\u3001\u6e29\u5ea6\u7b49\u73af\u5883\u53c2\u6570\uff0c\u5e76\u901a\u8fc7\u65e0\u7ebf\u7f51\u7edc\u5c06\u6570\u636e\u4f20\u8f93\u5230\u4e2d\u592e\u63a7\u5236\u7cfb\u7edf\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e09\u3001 LoRa\u6a21\u5757\u7684\u73af\u5883\u9002\u5e94\u6027\u6d4b\u8bd5\u7ed3\u679c\u663e\u793a\u4e86\u54ea\u4e9b\u5173\u952e\u56e0\u7d20\u5bf9\u6027\u80fd\u7684\u5f71\u54cd?<\/h2>\n\n\n\n<p>\u3000\u3000LoRa\u6a21\u5757\u7684\u73af\u5883\u9002\u5e94\u6027\u6d4b\u8bd5\u7ed3\u679c\u663e\u793a\u4e86\u591a\u79cd\u5173\u952e\u56e0\u7d20\u5bf9\u6027\u80fd\u7684\u5f71\u54cd\u3002\u8fd9\u4e9b\u56e0\u7d20\u5305\u62ec\uff1a<\/p>\n\n\n\n<ul 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