{"id":100239,"date":"2025-01-06T17:50:19","date_gmt":"2025-01-06T09:50:19","guid":{"rendered":"https:\/\/www.techphant.cn\/?p=100239"},"modified":"2025-01-06T17:50:33","modified_gmt":"2025-01-06T09:50:33","slug":"lmzjszmyksj","status":"publish","type":"post","link":"https:\/\/www.techphant.cn\/blog\/100239.html","title":{"rendered":"lora\u6a21\u7ec4\u63a5\u6536\u600e\u4e48\u9065\u63a7\u6570\u636e"},"content":{"rendered":"\n<p>\u3000\u3000<strong>LoRa\u6a21\u7ec4<\/strong>\u63a5\u6536\u9065\u63a7\u6570\u636e\u7684\u8fc7\u7a0b\u6d89\u53ca\u591a\u4e2a\u6b65\u9aa4\u548c\u6280\u672f\u7ec6\u8282\uff0c\u4e3b\u8981\u5305\u62ec\u786c\u4ef6\u8fde\u63a5\u3001\u8f6f\u4ef6\u914d\u7f6e\u548c\u6570\u636e\u5904\u7406\u3002\uff1a<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u786c\u4ef6\u8fde\u63a5\u4e0e\u914d\u7f6e<\/strong>\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000\u9996\u5148\uff0c\u9700\u8981\u51c6\u5907\u5177\u5907\u53d1\u9001\u548c\u63a5\u6536\u529f\u80fd\u7684LoRa\u6a21\u5757\uff0c\u5e76\u5c06\u5176\u4e0e\u5355\u7247\u673a(\u5982STM32)\u6b63\u786e\u8fde\u63a5\uff0c\u5305\u62ecVCC\u3001GND\u3001TXD\u548cRXD\u5f15\u811a\u3002<\/li>\n\n\n\n<li>\u3000\u3000LoRa\u6a21\u5757\u7684\u786c\u4ef6\u914d\u7f6e\u8981\u6c42\u5305\u62ec\u5de5\u4e1a\u7ea7CPU\u3001\u7535\u6e90\u4f9b\u5e94\u3001\u4e32\u53e3\u901a\u4fe1\u63a5\u53e3\u3001\u5de5\u4f5c\u9891\u6bb5\u3001\u6a21\u5757\u5c3a\u5bf8\u548c\u91cd\u91cf\u7b49\u3002<\/li>\n\n\n\n<li>\u3000\u3000\u5728\u786c\u4ef6\u8fde\u63a5\u65b9\u9762\uff0c\u53ef\u4ee5\u901a\u8fc7SPI\u63a5\u53e3\u5c06LoRa\u6a21\u5757\u4e0e\u5fae\u63a7\u5236\u5668\u8fde\u63a5\uff0c\u4f8b\u5982\u4f7f\u7528SX1278\u6a21\u5757\u4e0eSTM32F103C8T6\u5fae\u63a7\u5236\u5668\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u3000\u3000<strong>\u8f6f\u4ef6\u914d\u7f6e\u4e0e\u521d\u59cb\u5316<\/strong>\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000\u5728\u5355\u7247\u673a\u4e2d\u8bbe\u7f6e\u4e0eLoRa\u6a21\u5757\u7684\u901a\u4fe1\u63a5\u53e3\uff0c\u901a\u8fc7\u7f16\u5199\u4ee3\u7801\u521d\u59cb\u5316LoRa\u6a21\u5757\uff0c\u4f7f\u7528LoRa\u5e93\u4e2d\u7684\u51fd\u6570\u5982LoRa.begin()\u6765\u914d\u7f6e\u6a21\u5757\u3002<\/li>\n\n\n\n<li>\u3000\u3000\u9700\u8981\u8c03\u6574\u7269\u7406\u5c42\u53c2\u6570\u3001\u4f18\u5316\u6570\u636e\u5305\u5927\u5c0f\u548c\u534f\u8bae\u3001\u5229\u7528\u81ea\u9002\u5e94\u6570\u636e\u901f\u7387\u529f\u80fd\u3001\u524d\u5411\u7ea0\u9519\u7f16\u7801\u7b49\uff0c\u4ee5\u63d0\u9ad8\u9065\u63a7\u6570\u636e\u63a5\u6536\u6027\u80fd\u3002<\/li>\n\n\n\n<li>\u3000\u3000\u521d\u59cb\u5316\u5b8c\u6210\u540e\uff0c\u53ef\u4ee5\u901a\u8fc7\u4e32\u53e3\u8c03\u8bd5\u52a9\u624b\u7b49\u5de5\u5177\u786e\u4fdd\u6570\u636e\u63a5\u6536\u548c\u5904\u7406\u7684\u51c6\u786e\u6027\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u3000\u3000<strong>\u6570\u636e\u63a5\u6536\u4e0e\u5904\u7406<\/strong>\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000\u4f7f\u7528LoRa.parsePacket()\u68c0\u67e5\u6570\u636e\u5305\u5230\u8fbe\uff0c\u5e76\u4f7f\u7528LoRa.read()\u8bfb\u53d6\u6570\u636e\u5305\u5185\u5bb9\u3002<\/li>\n\n\n\n<li>\u3000\u3000\u5728\u63a5\u6536\u5230\u6570\u636e\u540e\uff0c\u9700\u8981\u89e3\u6790\u6570\u636e\u5305\uff0c\u5305\u62ec\u540c\u6b65\u5b57\u8bbe\u7f6e\u3001\u524d\u5bfc\u7801\u68c0\u6d4b\u3001\u6570\u636e\u5305\u683c\u5f0f\u89e3\u6790\u3001\u6570\u636e\u5305\u68c0\u6d4b\u3001\u6570\u636e\u5305\u5b58\u50a8\u548c\u56de\u8c03\u51fd\u6570\u6ce8\u518c\u3002<\/li>\n\n\n\n<li>\u3000\u3000\u6570\u636e\u5305\u89e3\u6790\u5b8c\u6210\u540e\uff0c\u53ef\u4ee5\u5c06\u6570\u636e\u4f20\u8f93\u5230\u4e0a\u4f4d\u673a\u6216\u5176\u4ed6\u8bbe\u5907\u8fdb\u884c\u8fdb\u4e00\u6b65\u5904\u7406\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u3000\u3000<strong>\u5e94\u7528\u573a\u666f\u4e0e\u4f18\u5316<\/strong>\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000LoRa\u6a21\u7ec4\u5728\u65e0\u4eba\u673a\u63a7\u5236\u3001\u673a\u5668\u4eba\u9065\u63a7\u7b49\u573a\u666f\u4e2d\u8868\u73b0\u51fa\u8272\uff0c\u5c55\u73b0\u4e86\u5176\u5728\u8fdc\u7a0b\u63a7\u5236\u3001\u957f\u8ddd\u79bb\u901a\u4fe1\u548c\u4f4e\u529f\u8017\u65b9\u9762\u7684\u4f18\u52bf\u3002<\/li>\n\n\n\n<li>\u3000\u3000\u4e3a\u4e86\u63d0\u9ad8\u901a\u4fe1\u7684\u7a33\u5b9a\u6027\u548c\u6297\u5e72\u6270\u80fd\u529b\uff0c\u53ef\u4ee5\u4f7f\u7528\u9ad8\u589e\u76ca\u5b9a\u5411\u5929\u7ebf\u6216\u4f18\u5316LoRa\u8c03\u5236\u53c2\u6570\u3002<\/li>\n\n\n\n<li>\u3000\u3000\u5728\u7279\u5b9a\u5e94\u7528\u4e2d\uff0c\u5982\u65e0\u4eba\u673a\u9065\u63a7\uff0c\u53ef\u4ee5\u901a\u8fc7\u4e2d\u7ee7\u6a21\u5757\u6269\u5c55\u901a\u4fe1\u8ddd\u79bb\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u3000\u3000<strong>\u5e38\u89c1\u95ee\u9898\u4e0e\u89e3\u51b3\u65b9\u6848<\/strong>\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000\u5e38\u89c1\u95ee\u9898\u5305\u62ec\u4fe1\u53f7\u63a5\u6536\u4e0d\u7a33\u5b9a\u3001\u63a5\u6536\u7075\u654f\u5ea6\u4f4e\u3001\u6570\u636e\u4e22\u5931\u6216\u8bef\u7801\u7b49\u3002<\/li>\n\n\n\n<li>\u3000\u3000\u89e3\u51b3\u65b9\u6848\u5305\u62ec\u8c03\u6574\u5de5\u4f5c\u9891\u6bb5\u3001\u4f18\u5316\u5929\u7ebf\u8bbe\u8ba1\u3001\u589e\u52a0\u53d1\u5c04\u529f\u7387\u6216\u4f7f\u7528\u66f4\u9ad8\u7ea7\u7684\u8c03\u5236\u6280\u672f\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u3000\u3000LoRa\u6a21\u7ec4\u63a5\u6536\u9065\u63a7\u6570\u636e\u7684\u8fc7\u7a0b\u6d89\u53ca\u786c\u4ef6\u8fde\u63a5\u3001\u8f6f\u4ef6\u914d\u7f6e\u3001\u6570\u636e\u63a5\u6536\u4e0e\u5904\u7406\u7b49\u591a\u4e2a\u6b65\u9aa4\u3002\u901a\u8fc7\u5408\u7406\u914d\u7f6e\u786c\u4ef6\u548c\u8f6f\u4ef6\u53c2\u6570\uff0c\u5e76\u9488\u5bf9\u5177\u4f53\u5e94\u7528\u573a\u666f\u8fdb\u884c\u4f18\u5316\uff0c\u53ef\u4ee5\u5b9e\u73b0\u9ad8\u6548\u7a33\u5b9a\u7684\u9065\u63a7\u6570\u636e\u63a5\u6536\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e00\u3001 LoRa\u6a21\u7ec4\u4e0eSTM32\u5355\u7247\u673a\u7684\u8fde\u63a5\u6b65\u9aa4<\/h2>\n\n\n\n<p>\u3000\u3000LoRa\u6a21\u7ec4\u4e0eSTM32\u5355\u7247\u673a\u7684\u8fde\u63a5\u6b65\u9aa4\u548c\u6ce8\u610f\u4e8b\u9879\u5982\u4e0b\uff1a<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30001. \u786c\u4ef6\u8fde\u63a5\u6b65\u9aa4<\/h3>\n\n\n\n<p>\u3000\u3000<strong>\u9009\u62e9\u901a\u4fe1\u63a5\u53e3<\/strong>\uff1a<\/p>\n\n\n\n<p>\u3000\u3000LoRa\u6a21\u5757\u4e0eSTM32\u5355\u7247\u673a\u53ef\u4ee5\u901a\u8fc7\u4e32\u53e3(UART)\u6216SPI\u63a5\u53e3\u8fdb\u884c\u901a\u4fe1\u3002\u4e32\u53e3\u901a\u4fe1\u9002\u7528\u4e8e\u7b80\u5355\u7684\u6570\u636e\u4f20\u8f93\uff0c\u800cSPI\u901a\u4fe1\u9002\u7528\u4e8e\u9700\u8981\u66f4\u9ad8\u6570\u636e\u4f20\u8f93\u901f\u7387\u7684\u5e94\u7528\u573a\u666f\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u4e32\u53e3\uff08UART\uff09\u8fde\u63a5<\/strong>\uff1a<\/p>\n\n\n\n<p>\u3000\u3000\u5c06LoRa\u6a21\u5757\u7684TX\u5f15\u811a\u8fde\u63a5\u5230STM32\u7684PA2\u5f15\u811a\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u5c06LoRa\u6a21\u5757\u7684RX\u5f15\u811a\u8fde\u63a5\u5230STM32\u7684PA3\u5f15\u811a\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u5c06LoRa\u6a21\u5757\u7684GND\u5f15\u811a\u8fde\u63a5\u5230STM32\u7684GND\u5f15\u811a\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u5c06LoRa\u6a21\u5757\u7684VCC\u5f15\u811a\u8fde\u63a5\u5230STM32\u76843.3V\u7535\u6e90\u5f15\u811a\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>SPI\u8fde\u63a5<\/strong>\uff1a<\/p>\n\n\n\n<p>\u3000\u3000\u5c06LoRa\u6a21\u5757\u7684SCK\u5f15\u811a\u8fde\u63a5\u5230STM32\u7684\u76f8\u5e94\u5f15\u811a(\u5982PA5)\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u5c06LoRa\u6a21\u5757\u7684MISO\u5f15\u811a\u8fde\u63a5\u5230STM32\u7684MISO\u5f15\u811a(\u5982PA6)\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u5c06LoRa\u6a21\u5757\u7684MOSI\u5f15\u811a\u8fde\u63a5\u5230STM32\u7684MOSI\u5f15\u811a(\u5982PA7)\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u5c06LoRa\u6a21\u5757\u7684NSS\u5f15\u811a\u8fde\u63a5\u5230STM32\u7684GPIO\u5f15\u811a(\u5982PA4)\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u5c06LoRa\u6a21\u5757\u7684RESET\u5f15\u811a\u8fde\u63a5\u5230STM32\u7684GPIO\u5f15\u811a(\u5982PA0)\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u5176\u4ed6\u5fc5\u8981\u8fde\u63a5<\/strong>\uff1a<\/p>\n\n\n\n<p>\u3000\u3000LoRa\u6a21\u5757\u7684M0\u5f15\u811a\u7528\u4e8e\u914d\u7f6e\u6a21\u5f0f\u548c\u6570\u636e\u4f20\u8f93\u6a21\u5f0f\u5207\u6362\uff0c\u4f4e\u7535\u5e73\u7528\u4e8e\u6570\u636e\u4f20\u8f93\uff0c\u9ad8\u7535\u5e73\u7528\u4e8e\u914d\u7f6e\u6a21\u5f0f\u3002<\/p>\n\n\n\n<p>\u3000\u3000LoRa\u6a21\u5757\u7684LOCK\u5f15\u811a\u9700\u63a5\u9ad8\u7535\u538b\u4ee5\u786e\u4fdd\u6570\u636e\u540c\u6b65\uff0cAUX\u5f15\u811a\u53ef\u60ac\u7a7a\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30002. \u8f6f\u4ef6\u914d\u7f6e\u6b65\u9aa4<\/h3>\n\n\n\n<p>\u3000\u3000<strong>\u5b89\u88c5\u5f00\u53d1\u73af\u5883<\/strong>\uff1a<\/p>\n\n\n\n<p>\u3000\u3000\u5b89\u88c5STM32CubeIDE\u5f00\u53d1\u73af\u5883\uff0c\u5e76\u5bfc\u5165LoRa\u5e93\u6587\u4ef6\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u914d\u7f6e\u4e32\u53e3\u6216SPI\u63a5\u53e3<\/strong>\uff1a<\/p>\n\n\n\n<p>\u3000\u3000\u4f7f\u7528CubeMX\u5de5\u5177\u914d\u7f6e\u4e32\u53e3\u6216SPI\u63a5\u53e3\u3002\u5bf9\u4e8e\u4e32\u53e3\uff0c\u8bbe\u7f6e\u6ce2\u7279\u7387\u4e3a9600\u6216115200;\u5bf9\u4e8eSPI\uff0c\u8bbe\u7f6e\u65f6\u949f\u9891\u7387\u548c\u76f8\u5173\u53c2\u6570\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u521d\u59cb\u5316LoRa\u6a21\u5757<\/strong>\uff1a<\/p>\n\n\n\n<p>\u3000\u3000\u5728\u4ee3\u7801\u4e2d\u521d\u59cb\u5316LoRa\u6a21\u5757\uff0c\u5305\u62ec\u8bbe\u7f6e\u9891\u7387\u3001\u589e\u76ca\u3001\u4fe1\u9053\u7b49\u53c2\u6570\u3002\u53ef\u4ee5\u4f7f\u7528HAL\u5e93\u4e2d\u7684\u51fd\u6570\u6765\u7b80\u5316\u8fd9\u4e00\u8fc7\u7a0b\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u7f16\u5199\u901a\u4fe1\u4ee3\u7801<\/strong>\uff1a<\/p>\n\n\n\n<p>\u3000\u3000\u7f16\u5199\u53d1\u9001\u548c\u63a5\u6536\u6570\u636e\u7684\u51fd\u6570\u3002\u4f7f\u7528HAL\u5e93\u4e2d\u7684\u51fd\u6570\u6765\u5b9e\u73b0\u6570\u636e\u5305\u7684\u53d1\u9001\u548c\u63a5\u6536\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30003. \u6ce8\u610f\u4e8b\u9879<\/h3>\n\n\n\n<p>\u3000\u3000<strong>\u7535\u6e90\u7ba1\u7406<\/strong>\uff1a<\/p>\n\n\n\n<p>\u3000\u3000\u786e\u4fddLoRa\u6a21\u5757\u548cSTM32\u5355\u7247\u673a\u7684\u7535\u6e90\u7535\u538b\u4e00\u81f4\uff0c\u901a\u5e38\u4e3a3.3V\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u901a\u4fe1\u7a33\u5b9a\u6027<\/strong>\uff1a<\/p>\n\n\n\n<p>\u3000\u3000\u68c0\u67e5\u4e32\u53e3\u6216SPI\u63a5\u53e3\u7684\u914d\u7f6e\u662f\u5426\u6b63\u786e\uff0c\u786e\u4fddSTM32\u548cLoRa\u6a21\u5757\u7684\u6ce2\u7279\u7387\u6216\u65f6\u949f\u9891\u7387\u4e00\u81f4\u3002\u5982\u679c\u901a\u4fe1\u4e0d\u7a33\u5b9a\uff0c\u53ef\u4ee5\u5c1d\u8bd5\u8c03\u6574\u76f8\u5173\u53c2\u6570\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u5e72\u6270\u95ee\u9898<\/strong>\uff1a<\/p>\n\n\n\n<p>\u3000\u3000\u5728\u8fde\u63a5\u524d\uff0c\u5efa\u8bae\u4ec5\u4f7f\u7528\u4e24\u4e2aLoRa\u6a21\u5757\u8fdb\u884c\u901a\u4fe1\uff0c\u4ee5\u907f\u514d\u5916\u90e8\u5e72\u6270\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u5929\u7ebf\u8bbe\u8ba1<\/strong>\uff1a<\/p>\n\n\n\n<p>\u3000\u3000\u5408\u7406\u8bbe\u8ba1\u5929\u7ebf\uff0c\u4ee5\u786e\u4fdd\u4fe1\u53f7\u8986\u76d6\u548c\u4f20\u8f93\u6548\u7387\u3002\u5929\u7ebf\u7684\u9009\u62e9\u548c\u5e03\u5c40\u5bf9\u901a\u4fe1\u6548\u679c\u6709\u91cd\u8981\u5f71\u54cd\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u8c03\u8bd5\u4e0e\u4f18\u5316<\/strong>\uff1a<\/p>\n\n\n\n<p>\u3000\u3000\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u53ef\u80fd\u9700\u8981\u6839\u636e\u5177\u4f53\u573a\u666f\u8c03\u6574LoRa\u6a21\u5757\u7684\u5173\u952e\u53c2\u6570\uff0c\u5982\u6269\u9891\u56e0\u5b50(SF)\u3001\u5e26\u5bbd(BW)\u7b49\uff0c\u4ee5\u4f18\u5316\u901a\u4fe1\u8ddd\u79bb\u548c\u7a33\u5b9a\u6027\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e8c\u3001 LoRa\u6a21\u5757\u7684\u7269\u7406\u5c42\u53c2\u6570\u4ee5\u63d0\u9ad8\u9065\u63a7\u6570\u636e\u63a5\u6536\u6027\u80fd?<\/h2>\n\n\n\n<p>\u3000\u3000\u4f18\u5316LoRa\u6a21\u5757\u7684\u7269\u7406\u5c42\u53c2\u6570\u4ee5\u63d0\u9ad8\u9065\u63a7\u6570\u636e\u63a5\u6536\u6027\u80fd\u53ef\u4ee5\u4ece\u4ee5\u4e0b\u51e0\u4e2a\u65b9\u9762\u8fdb\u884c\uff1a<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u8c03\u6574\u5e26\u5bbd\uff08BW\uff09<\/strong>\uff1a<\/p>\n\n\n\n<p>\u3000\u3000\u5e26\u5bbd\u7684\u9009\u62e9\u76f4\u63a5\u5f71\u54cd\u63a5\u6536\u5668\u7684\u7075\u654f\u5ea6\u548c\u566a\u58f0\u6c34\u5e73\u3002\u8f83\u5c0f\u7684\u5e26\u5bbd(\u5982125 kHz)\u53ef\u4ee5\u589e\u52a0\u63a5\u6536\u5668\u7684\u7075\u654f\u5ea6\uff0c\u540c\u65f6\u964d\u4f4e\u566a\u58f0\uff0c\u4ece\u800c\u51cf\u5c11\u8bef\u7801\u7387(PER)\u3002\u7136\u800c\uff0c\u8f83\u5c0f\u7684\u5e26\u5bbd\u4f1a\u964d\u4f4e\u6570\u636e\u4f20\u8f93\u901f\u7387\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u5e26\u5bbd\u7684\u9009\u62e9\u8fd8\u5e94\u8003\u8651\u5b9e\u9645\u5e94\u7528\u573a\u666f\u4e2d\u7684\u4fe1\u53f7\u5e72\u6270\u60c5\u51b5\u3002\u4f8b\u5982\uff0c\u5728\u5e72\u6270\u8f83\u5c11\u7684\u73af\u5883\u4e2d\uff0c\u53ef\u4ee5\u9009\u62e9\u8f83\u5c0f\u7684\u5e26\u5bbd\u4ee5\u63d0\u9ad8\u63a5\u6536\u7075\u654f\u5ea6;\u5728\u5e72\u6270\u8f83\u591a\u7684\u73af\u5883\u4e2d\uff0c\u53ef\u4ee5\u9009\u62e9\u8f83\u5927\u7684\u5e26\u5bbd\u4ee5\u63d0\u9ad8\u6570\u636e\u4f20\u8f93\u901f\u7387\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u8c03\u6574\u6269\u9891\u56e0\u5b50\uff08SF\uff09<\/strong>\uff1a<\/p>\n\n\n\n<p>\u3000\u3000\u6269\u9891\u56e0\u5b50\u51b3\u5b9a\u4e86\u4fe1\u53f7\u7684\u4f20\u8f93\u8303\u56f4\u548c\u6570\u636e\u901f\u7387\u3002\u8f83\u9ad8\u7684\u6269\u9891\u56e0\u5b50(\u5982SF12)\u5141\u8bb8\u66f4\u957f\u7684\u901a\u4fe1\u8303\u56f4\uff0c\u4f46\u589e\u52a0\u4e86\u7a7a\u4e2d\u65f6\u95f4(Time-on-Air, ToA)\uff0c\u964d\u4f4e\u4e86\u6570\u636e\u4f20\u8f93\u901f\u7387\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u6839\u636e\u5177\u4f53\u7684\u5e94\u7528\u9700\u6c42\uff0c\u53ef\u4ee5\u9009\u62e9\u9002\u5f53\u7684\u6269\u9891\u56e0\u5b50\u3002\u4f8b\u5982\uff0c\u5982\u679c\u9700\u8981\u957f\u8ddd\u79bb\u901a\u4fe1\uff0c\u53ef\u4ee5\u9009\u62e9\u8f83\u9ad8\u7684\u6269\u9891\u56e0\u5b50;\u5982\u679c\u9700\u8981\u8f83\u9ad8\u7684\u6570\u636e\u4f20\u8f93\u901f\u7387\uff0c\u53ef\u4ee5\u9009\u62e9\u8f83\u4f4e\u7684\u6269\u9891\u56e0\u5b50\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u8c03\u6574\u7f16\u7801\u7387\uff08CR\uff09<\/strong>\uff1a<\/p>\n\n\n\n<p>\u3000\u3000\u7f16\u7801\u7387\u51b3\u5b9a\u4e86\u6570\u636e\u4f20\u8f93\u7684\u5197\u4f59\u5ea6\u3002\u8f83\u9ad8\u7684\u7f16\u7801\u7387(\u59824\/5)\u63d0\u4f9b\u4e86\u66f4\u591a\u7684\u4fdd\u62a4\uff0c\u4ece\u800c\u4ea7\u751f\u8f83\u4f4e\u7684\u8bef\u7801\u7387(PER)\uff0c\u4f46\u4f1a\u964d\u4f4e\u6570\u636e\u4f20\u8f93\u901f\u7387\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u6839\u636e\u5b9e\u9645\u5e94\u7528\u573a\u666f\u7684\u9700\u6c42\uff0c\u53ef\u4ee5\u9009\u62e9\u9002\u5f53\u7684\u7f16\u7801\u7387\u3002\u4f8b\u5982\uff0c\u5728\u5bf9\u6570\u636e\u4f20\u8f93\u901f\u7387\u8981\u6c42\u8f83\u9ad8\u7684\u573a\u666f\u4e2d\uff0c\u53ef\u4ee5\u9009\u62e9\u8f83\u4f4e\u7684\u7f16\u7801\u7387;\u5728\u5bf9\u6570\u636e\u4f20\u8f93\u53ef\u9760\u6027\u8981\u6c42\u8f83\u9ad8\u7684\u573a\u666f\u4e2d\uff0c\u53ef\u4ee5\u9009\u62e9\u8f83\u9ad8\u7684\u7f16\u7801\u7387\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u4f18\u5316\u5929\u7ebf\u8bbe\u8ba1<\/strong>\uff1a<\/p>\n\n\n\n<p>\u3000\u3000\u63d0\u9ad8\u63a5\u6536\u5929\u7ebf\u589e\u76ca\u53ef\u4ee5\u589e\u5f3aLoRa\u6a21\u5757\u7684\u4f20\u8f93\u8ddd\u79bb\uff0c\u63d0\u5347\u4fe1\u53f7\u7a33\u5b9a\u6027\u3002\u4f8b\u5982\uff0c\u5c06LoRa\u7f51\u5173\u6a21\u5757\u7684\u63a5\u6536\u5929\u7ebf\u589e\u76ca\u4ece1.5 dBi\u63d0\u9ad8\u52307.5 dBi\uff0c\u589e\u52a0\u4e866 dB\uff0c\u901a\u4fe1\u8ddd\u79bb\u5c06\u5ef6\u957f\u5230\u539f\u6765\u76842\u500d\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u4f7f\u7528\u9ad8\u589e\u76ca\u5929\u7ebf\u53ef\u4ee5\u51cf\u5c11\u4fe1\u53f7\u8870\u51cf\uff0c\u4ece\u800c\u63d0\u9ad8\u901a\u4fe1\u8d28\u91cf\u3002\u4f8b\u5982\uff0c\u5c06LoRa\u7f51\u5173\u7684\u53d1\u5c04\u5929\u7ebf\u589e\u76ca\u4ece3 dBi\u63d0\u9ad8\u52309 dBi\uff0c\u589e\u52a0\u4e866 dB\uff0c\u901a\u4fe1\u8ddd\u79bb\u5c06\u5ef6\u957f\u5230\u539f\u6765\u76842\u500d\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u52a8\u6001\u53c2\u6570\u914d\u7f6e<\/strong>\uff1a<\/p>\n\n\n\n<p>\u3000\u3000\u9488\u5bf9\u4e0d\u540c\u7684\u4e1a\u52a1\u9700\u6c42\uff0c\u52a8\u6001\u8c03\u6574\u7269\u7406\u5c42\u53c2\u6570\u662f\u63d0\u9ad8\u7f51\u7edc\u6027\u80fd\u7684\u5173\u952e\u3002\u4f8b\u5982\uff0c\u6839\u636e\u6570\u636e\u5206\u7ec4\u5927\u5c0f\u3001\u6d88\u606f\u751f\u6210\u7387\u548c\u670d\u52a1\u8d28\u91cf\u9700\u6c42\u7684\u4e0d\u540c\uff0c\u52a8\u6001\u8c03\u6574\u5e26\u5bbd\u3001\u6269\u9891\u56e0\u5b50\u548c\u7f16\u7801\u7387\uff0c\u4ee5\u9002\u5e94\u4e0d\u540c\u7684\u4e1a\u52a1\u9700\u6c42\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u4f7f\u7528\u81ea\u9002\u5e94\u94fe\u63a5\u6280\u672f\u53ef\u4ee5\u6839\u636e\u94fe\u8def\u6761\u4ef6\u52a8\u6001\u8c03\u6574\u529f\u7387\u6c34\u5e73\uff0c\u4ee5\u6700\u5927\u5316\u7535\u6c60\u5bff\u547d\u548c\u4fdd\u6301\u7f51\u7edc\u5bb9\u91cf\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u524d\u5411\u9519\u8bef\u7ea0\u6b63\uff08FEC\uff09<\/strong>\uff1a<\/p>\n\n\n\n<p>\u3000\u3000LoRa\u7cfb\u7edf\u7ed3\u5408\u524d\u5411\u9519\u8bef\u7ea0\u6b63(FEC)\u6280\u672f\uff0c\u5373\u4f7f\u4fe1\u53f7\u4f4e\u4e8e\u566a\u58f0\u5e9520 dB\u4e5f\u80fd\u89e3\u8c03\uff0c\u8fd9\u610f\u5473\u7740LoRa\u7cfb\u7edf\u7684\u94fe\u8def\u9884\u7b97\u6bd4\u4f20\u7edfFSK\u7cfb\u7edf\u63d0\u9ad8\u4e86\u8d85\u8fc725 dB\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u5229\u7528FEC\u6280\u672f\u53ef\u4ee5\u8fdb\u4e00\u6b65\u63d0\u9ad8\u6570\u636e\u4f20\u8f93\u7684\u53ef\u9760\u6027\uff0c\u7279\u522b\u662f\u5728\u4fe1\u53f7\u8f83\u5f31\u6216\u5e72\u6270\u8f83\u5927\u7684\u73af\u5883\u4e2d\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e09\u3001 LoRa\u6a21\u7ec4\u5728\u65e0\u4eba\u673a\u63a7\u5236\u548c\u673a\u5668\u4eba\u9065\u63a7\u4e2d\u7684\u5e94\u7528\u6848\u4f8b\u6709\u54ea\u4e9b?<\/h2>\n\n\n\n<p>\u3000\u3000LoRa\u6a21\u7ec4\u5728\u65e0\u4eba\u673a\u63a7\u5236\u548c\u673a\u5668\u4eba\u9065\u63a7\u4e2d\u7684\u5e94\u7528\u6848\u4f8b\u4e3b\u8981\u5305\u62ec\u4ee5\u4e0b\u51e0\u4e2a\u65b9\u9762\uff1a<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30001.&nbsp;<strong>\u65e0\u4eba\u673a\u7fa4\u98de\u63a7\u5236<\/strong>\uff1a<\/h3>\n\n\n\n<p>\u3000\u3000<strong>E220-M\u7cfb\u5217LoRa\u6a21\u5757<\/strong>\uff1a\u6210\u90fd\u4ebf\u4f70\u7279\u516c\u53f8\u63a8\u51fa\u7684E220-M\u7cfb\u5217LoRa\u5c04\u9891\u6a21\u5757\uff0c\u57fa\u4e8eLLCC68\u82af\u7247\uff0c\u91c7\u7528LoRa\u8c03\u5236\u6280\u672f\uff0c\u5177\u6709\u6297\u5e72\u6270\u6027\u80fd\u548c\u901a\u4fe1\u8ddd\u79bb\u8fdc\u8d85\u4f20\u7edfFSK\u3001GFSK\u8c03\u5236\u65b9\u5f0f\u7684\u65e0\u7ebf\u6570\u4f20\u6a21\u5757\u3002\u8be5\u6a21\u5757\u901a\u8fc7\u5e7f\u64ad\u5f62\u5f0f\u5411\u591a\u4e2a\u65e0\u4eba\u673a\u53d1\u9001\u7edf\u4e00\u6307\u4ee4\uff0c\u5b9e\u73b0\u6574\u9f50\u5212\u4e00\u7684\u8868\u6f14\u6548\u679c\u3002\u4f8b\u5982\uff0c\u5728\u65e0\u4eba\u673a\u7fa4\u98de\u63a7\u5236\u4e2d\uff0cLoRa\u6280\u672f\u901a\u8fc7\u8f83\u4f4e\u7684\u529f\u8017\u548c\u53d1\u5c04\u529f\u7387\uff0c\u5728\u8f83\u4f4e\u7a7a\u4e2d\u901f\u7387\u4e0b\u5b9e\u73b0\u8d85\u8fdc\u8ddd\u79bb\u6570\u636e\u4f20\u8f93\uff0c\u6ee1\u8db3\u4e86\u65e0\u4eba\u673a\u884c\u4e1a\u5bf9\u4f4e\u529f\u8017\u3001\u4f4e\u53d1\u5c04\u529f\u7387\u548c\u4e0d\u9ad8\u6570\u636e\u91cf\u7684\u9700\u6c42\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30002.&nbsp;<strong>\u8fdc\u7a0b\u63a7\u5236\u65e0\u4eba\u673a<\/strong>\uff1a<\/h3>\n\n\n\n<p>\u3000\u3000<strong>Raven Long Range System<\/strong>\uff1aRaven LRS\u662f\u4e00\u4e2a\u57fa\u4e8eLoRa\u6280\u672f\u7684\u5f00\u6e90\u957f\u8ddd\u79bb\u7cfb\u7edf\uff0c\u65e8\u5728\u6253\u7834\u4f20\u7edf\u9065\u63a7\u9650\u5236\uff0c\u5b9e\u73b0\u8d85\u8fdc\u8ddd\u79bb\u7684\u63a7\u5236\u94fe\u63a5\u548c\u5168\u9762\u7684\u9065\u6d4b\u53cd\u9988\u3002\u8be5\u7cfb\u7edf\u4e0d\u4ec5\u9002\u7528\u4e8e\u65e0\u4eba\u673a\u548c\u6a21\u578b\u98de\u673a\u7684\u8fdc\u7a0b\u64cd\u63a7\uff0c\u8fd8\u652f\u6301\u98de\u884c\u5668\u4e4b\u95f4\u7684\u70b9\u5bf9\u70b9(P2P)\u901a\u8baf\uff0c\u5f00\u8f9f\u4e86\u7a7a\u4e2d\u4ea4\u6d41\u7684\u65b0\u7bc7\u7ae0\u3002\u5176\u8bbe\u8ba1\u5229\u7528LoRa\u7684\u4f4e\u529f\u8017\u548c\u957f\u8ddd\u79bb\u7279\u6027\uff0c\u786e\u4fdd\u4e86\u4fe1\u53f7\u4f20\u8f93\u7684\u7a33\u5b9a\u6027\u548c\u7a7f\u900f\u529b\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>Pawe\u0142 Spychalski\u7684\u9879\u76ee<\/strong>\uff1aPawe\u0142 Spychalski\u4f7f\u7528\u975e\u54c1\u724cAdafruit Feather LoRa\u677f\u548c\u81ea\u5236\u5929\u7ebf\uff0c\u7ed3\u5408\u81ea\u7f16\u8f6f\u4ef6\uff0c\u4ece\u9065\u63a7\u5668\u7684Taranis\u63a7\u5236\u7aef\u53e3\u83b7\u53d6\u6570\u636e\uff0c\u7f16\u7801\u5e76\u901a\u8fc7LoRa\u65e0\u7ebf\u7535\u53d1\u9001\u3002\u53e6\u4e00\u7aef\u7684\u7c7b\u4f3c\u65e0\u7ebf\u7535\u63a5\u6536\u5e76\u89e3\u7801\u6570\u636e\uff0c\u5c06\u4fe1\u606f\u4f20\u7ed9\u65e0\u4eba\u673a\u3002\u5c3d\u7ba1\u8be5\u9879\u76ee\u4ecd\u5728\u8fdb\u884c\u4e2d\uff0c\u4f46\u5df2\u7ecf\u6210\u529f\u5b9e\u73b0\u4e86\u6570\u767e\u7c73\u8303\u56f4\u5185\u7684\u65e0\u4eba\u673a\u98de\u884c\u63a7\u5236\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30003.&nbsp;<strong>\u673a\u5668\u4eba\u9065\u63a7<\/strong>\uff1a<\/h3>\n\n\n\n<p>\u3000\u3000<strong>E22-M\u7cfb\u5217LoRa\u6a21\u5757<\/strong>\uff1a\u5728\u5de5\u4e1a\u5236\u9020\u9886\u57df\uff0c\u6210\u90fd\u4ebf\u4f70\u7279\u516c\u53f8\u63a8\u51fa\u7684E22-M\u7cfb\u5217\u65e0\u7ebf\u4f20\u8f93\u6a21\u7ec4\u901a\u8fc7LoRa\u6280\u672f\u5b9e\u73b0\u8fdc\u7a0b\u63a7\u5236\uff0c\u4f7f\u673a\u5668\u4eba\u4e0d\u53d7\u7ebf\u7f06\u9650\u5236\uff0c\u4fbf\u4e8e\u5728\u8f66\u95f4\u4e2d\u5e03\u7f6e\uff0c\u5b9e\u73b0\u63a7\u5236\u5668\u5bf9\u591a\u4e2a\u673a\u5668\u4eba\u7684\u65e0\u7ebf\u63a7\u5236\u3002LoRa\u6280\u672f\u76f8\u8f83\u4e8eWiFi\u3001\u84dd\u7259\u3001ZigBee\u548c\u8d85\u5916\u5dee\u6280\u672f\uff0c\u5177\u6709\u4f20\u8f93\u8ddd\u79bb\u8fdc\u3001\u4f4e\u529f\u8017\u3001\u6570\u636e\u901f\u7387\u4e0e\u901a\u4fe1\u9700\u6c42\u5339\u914d\u4ee5\u53ca\u8bb8\u53ef\u4e0e\u514d\u8bb8\u53ef\u9891\u8c31\u7b49\u4f18\u52bf\uff0c\u7279\u522b\u9002\u5408\u5927\u578b\u8f66\u95f4\u548c\u6237\u5916\u673a\u5668\u4eba\u5e94\u7528\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30004.&nbsp;<strong>\u6570\u636e\u91c7\u96c6\u4e0e\u76d1\u63a7<\/strong>\uff1a<\/h3>\n\n\n\n<p>\u3000\u3000<strong>LoRa\u6570\u4f20\u7535\u53f0<\/strong>\uff1aLoRa\u65e0\u4eba\u673a\u6570\u4f20\u7535\u53f0\u662f\u4e00\u79cd\u57fa\u4e8eLoRa\u6280\u672f\u7684\u8fdc\u8ddd\u79bb\u3001\u4f4e\u529f\u8017\u6570\u636e\u4f20\u8f93\u8bbe\u5907\uff0c\u4e3b\u8981\u7528\u4e8e\u65e0\u4eba\u673a\u901a\u4fe1\u7cfb\u7edf\u4e2d\u3002\u8be5\u8bbe\u5907\u901a\u8fc7\u6269\u9891\u8c03\u5236\u6280\u672f\uff0c\u5b9e\u73b0\u8d85\u8fdc\u8ddd\u79bb\u7684\u6570\u636e\u4f20\u8f93\uff0c\u9002\u7528\u4e8e\u519c\u4e1a\u76d1\u63a7\u3001\u73af\u5883\u76d1\u6d4b\u3001\u57fa\u7840\u8bbe\u65bd\u5de1\u68c0\u548c\u641c\u6551\u4efb\u52a1\u7b49\u573a\u666f\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u56db\u3001 \u9ad8\u589e\u76ca\u5b9a\u5411\u5929\u7ebf\u5728LoRa\u901a\u4fe1\u4e2d\u7684\u4f5c\u7528\u53ca\u5176\u9009\u62e9\u6807\u51c6\u662f\u4ec0\u4e48?<\/h2>\n\n\n\n<p>\u3000\u3000\u9ad8\u589e\u76ca\u5b9a\u5411\u5929\u7ebf\u5728LoRa\u901a\u4fe1\u4e2d\u7684\u4f5c\u7528\u53ca\u5176\u9009\u62e9\u6807\u51c6\u53ef\u4ee5\u4ece\u4ee5\u4e0b\u51e0\u4e2a\u65b9\u9762\u8fdb\u884c\u8be6\u7ec6\u5206\u6790\uff1a<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30001. \u9ad8\u589e\u76ca\u5b9a\u5411\u5929\u7ebf\u7684\u4f5c\u7528<\/h3>\n\n\n\n<p>\u3000\u3000<strong>\u63d0\u9ad8\u4f20\u8f93\u8ddd\u79bb<\/strong>\uff1a<\/p>\n\n\n\n<p>\u3000\u3000\u9ad8\u589e\u76ca\u5b9a\u5411\u5929\u7ebf\u80fd\u591f\u663e\u8457\u589e\u52a0LoRa\u901a\u4fe1\u7684\u8986\u76d6\u8303\u56f4\u3002\u4f8b\u5982\uff0c\u5728\u5357\u6781\u6d32\u7684\u5b9e\u9a8c\u4e2d\uff0c\u4f7f\u7528\u5b9a\u5411\u9ad8\u589e\u76ca\u5929\u7ebf\u6269\u5c55\u4e86\u57fa\u7ad9\u7684\u8986\u76d6\u8303\u56f4\uff0c\u4f7f\u5f97LoRa\u8c03\u5236\u6280\u672f\u80fd\u591f\u5728\u81f3\u5c1120\u516c\u91cc\u8303\u56f4\u5185\u8fdb\u884c\u957f\u8ddd\u79bb\u3001\u4f4e\u901f\u7387\u6570\u636e\u901a\u4fe1\u3002\u8fd9\u79cd\u5929\u7ebf\u5728\u975e\u89c6\u8ddd(NLoS)\u6761\u4ef6\u4e0b\u4e5f\u80fd\u901a\u8fc7\u5c71\u810a\u7684\u5200\u5203\u884d\u5c04\u6216\u5c71\u5cf0\u7684\u53cd\u5c04\u5efa\u7acb\u65e0\u9700\u89c6\u8ddd\u7684LoRa\u94fe\u63a5\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u589e\u5f3a\u6297\u5e72\u6270\u80fd\u529b<\/strong>\uff1a<\/p>\n\n\n\n<p>\u3000\u3000\u5728\u590d\u6742\u73af\u5883\u4e2d\uff0c\u9ad8\u589e\u76ca\u5b9a\u5411\u5929\u7ebf\u5177\u6709\u66f4\u5f3a\u7684\u6297\u5e72\u6270\u80fd\u529b\u3002\u4f8b\u5982\uff0c\u5728\u900f\u5899\u4f20\u611f\u5b9e\u9a8c\u4e2d\uff0c\u4f7f\u752870\u5ea6\u6ce2\u675f\u5bbd\u5ea6\u7684\u5b9a\u5411\u5929\u7ebf\u53ef\u4ee5\u6709\u6548\u51cf\u5c11\u5e72\u6270\uff0c\u5373\u4f7f\u5e72\u6270\u8005\u504f\u79bb\u4e2d\u5fc3\u6ce2\u675f\u65b9\u541140\u5ea6\u65f6\uff0c\u5e72\u6270\u4ecd\u7136\u53ef\u4ee5\u5ffd\u7565\u3002\u8fd9\u8868\u660e\u5b9a\u5411\u5929\u7ebf\u5728\u51cf\u5c11\u4fe1\u53f7\u5e72\u6270\u65b9\u9762\u5177\u6709\u660e\u663e\u4f18\u52bf\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u4f18\u5316\u4fe1\u53f7\u4f20\u8f93<\/strong>\uff1a<\/p>\n\n\n\n<p>\u3000\u3000\u9ad8\u589e\u76ca\u5b9a\u5411\u5929\u7ebf\u80fd\u591f\u5c06\u4fe1\u53f7\u96c6\u4e2d\u4f20\u8f93\u5230\u7279\u5b9a\u65b9\u5411\uff0c\u4ece\u800c\u63d0\u9ad8\u4fe1\u53f7\u8d28\u91cf\u548c\u4f20\u8f93\u6548\u7387\u3002\u4f8b\u5982\uff0cQuPanel XR LoRa 915MHz\u5929\u7ebf\u8bbe\u8ba1\u5148\u8fdb\uff0c\u5373\u4f7f\u5728\u6076\u52a3\u7684\u5ba4\u5916\u73af\u5883\u4e2d\u4e5f\u80fd\u5b9e\u73b0\u957f\u8ddd\u79bb\u7684LoRa\u8bbe\u5907\u901a\u4fe1\uff0c\u76f8\u6bd4\u5168\u5411\u5929\u7ebf\uff0c\u5176\u5b9a\u5411\u589e\u76ca\u53ef\u5c06\u4fe1\u53f7\u4f20\u8f93\u81f3\u66f4\u8fdc\u8ddd\u79bb\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30002. \u9ad8\u589e\u76ca\u5b9a\u5411\u5929\u7ebf\u7684\u9009\u62e9\u6807\u51c6<\/h3>\n\n\n\n<p>\u3000\u3000<strong>\u589e\u76ca\u503c<\/strong>\uff1a<\/p>\n\n\n\n<p>\u3000\u3000\u589e\u76ca\u662f\u8861\u91cf\u5929\u7ebf\u6027\u80fd\u7684\u91cd\u8981\u6307\u6807\u3002\u9ad8\u589e\u76ca\u5929\u7ebf\u901a\u5e38\u5177\u6709\u66f4\u9ad8\u7684\u589e\u76ca\u503c\uff0c\u598212dBi\u6216\u66f4\u9ad8\u3002\u4f8b\u5982\uff0cQuPanel XR LoRa 915MHz\u5929\u7ebf\u7684\u589e\u76ca\u8fbe\u523012.5dBi\uff0c\u9002\u7528\u4e8e\u9700\u8981\u957f\u8ddd\u79bb\u901a\u4fe1\u7684\u5e94\u7528\u573a\u666f\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u9891\u7387\u517c\u5bb9\u6027<\/strong>\uff1a<\/p>\n\n\n\n<p>\u3000\u3000\u9ad8\u589e\u76ca\u5b9a\u5411\u5929\u7ebf\u5e94\u652f\u6301\u6240\u9700\u7684\u901a\u4fe1\u9891\u7387\u3002\u4f8b\u5982\uff0cLoRa\u901a\u4fe1\u5e38\u7528\u7684\u9891\u7387\u5305\u62ec868 MHz\u3001915 MHz\u7b49\u3002\u9009\u62e9\u65f6\u5e94\u786e\u4fdd\u5929\u7ebf\u5728\u8fd9\u4e9b\u9891\u7387\u4e0b\u5177\u6709\u826f\u597d\u7684\u589e\u76ca\u8868\u73b0\u3002\u4f8b\u5982\uff0c\u4e00\u79cd\u53cc\u9891\u5929\u7ebf\u5728868 MHz\u65f6\u83b7\u5f97\u4e863.35 dBi\u7684\u589e\u76ca\uff0c\u57281.57 GHz\u65f6\u83b7\u5f97\u4e865.08 dBi\u7684\u589e\u76ca\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u73af\u5883\u9002\u5e94\u6027<\/strong>\uff1a<\/p>\n\n\n\n<p>\u3000\u3000\u9ad8\u589e\u76ca\u5b9a\u5411\u5929\u7ebf\u5e94\u5177\u5907\u826f\u597d\u7684\u73af\u5883\u9002\u5e94\u6027\uff0c\u80fd\u591f\u5728\u5404\u79cd\u5929\u6c14\u6761\u4ef6\u4e0b\u7a33\u5b9a\u5de5\u4f5c\u3002\u4f8b\u5982\uff0cQuPanel XR LoRa 915MHz\u5929\u7ebf\u5177\u6709IP67\u9632\u62a4\u7b49\u7ea7\uff0c\u9002\u7528\u4e8e\u4efb\u4f55\u5929\u6c14\u6761\u4ef6\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u5b89\u88c5\u7075\u6d3b\u6027<\/strong>\uff1a<\/p>\n\n\n\n<p>\u3000\u3000\u9ad8\u589e\u76ca\u5b9a\u5411\u5929\u7ebf\u5e94\u5177\u5907\u7075\u6d3b\u7684\u5b89\u88c5\u65b9\u5f0f\uff0c\u5982\u652f\u6301\u5899\u58c1\u6216\u6746\u5f0f\u5b89\u88c5\uff0c\u786e\u4fdd\u5929\u7ebf\u7684\u7a33\u5b9a\u6027\u548c\u8010\u7528\u6027\u3002\u4f8b\u5982\uff0cQuPanel XR LoRa 915MHz\u5929\u7ebf\u652f\u6301\u5899\u58c1\u6216\u6746\u5f0f\u5b89\u88c5\uff0c\u5e76\u914d\u5907Nf\u8fde\u63a5\u5668\uff0c\u4fbf\u4e8e\u8fde\u63a5\u548c\u5b89\u88c5\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u6ce2\u675f\u5bbd\u5ea6<\/strong>\uff1a<\/p>\n\n\n\n<p>\u3000\u3000\u6ce2\u675f\u5bbd\u5ea6\u51b3\u5b9a\u4e86\u5929\u7ebf\u7684\u8986\u76d6\u8303\u56f4\u548c\u65b9\u5411\u6027\u3002\u4f8b\u5982\uff0cQuPanel XR LoRa 915MHz\u5929\u7ebf\u5177\u670990\u00b0\/30\u00b0\u6ce2\u675f\u5bbd\u5ea6\uff0c\u4f18\u5316\u4e86\u4fe1\u53f7\u4f20\u8f93\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u5339\u914d\u548c\u9a7b\u6ce2\u6bd4\uff08VSWR\uff09<\/strong>\uff1a<\/p>\n\n\n\n<p>\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\u5339\u914d\u548c\u9a7b\u6ce2\u6bd4(VSWR)\u53ef\u4ee5\u63d0\u9ad8\u901a\u4fe1\u8d28\u91cf\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u9ad8\u589e\u76ca\u5b9a\u5411\u5929\u7ebf\u5728LoRa\u901a\u4fe1\u4e2d\u80fd\u591f\u663e\u8457\u63d0\u9ad8\u4f20\u8f93\u8ddd\u79bb\u548c\u6297\u5e72\u6270\u80fd\u529b\uff0c\u5c24\u5176\u9002\u7528\u4e8e\u957f\u8ddd\u79bb\u3001\u590d\u6742\u73af\u5883\u4e0b\u7684\u6570\u636e\u4f20\u8f93\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e94\u3001 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