{"id":99756,"date":"2024-12-05T14:37:51","date_gmt":"2024-12-05T06:37:51","guid":{"rendered":"https:\/\/www.techphant.cn\/?p=99756"},"modified":"2024-12-05T14:37:59","modified_gmt":"2024-12-05T06:37:59","slug":"mkfshjsjlsds","status":"publish","type":"post","link":"https:\/\/www.techphant.cn\/blog\/99756.html","title":{"rendered":"433\u6a21\u5757\u53d1\u9001\u548c\u63a5\u6536\u8ddd\u79bb\u662f\u591a\u5c11"},"content":{"rendered":"\n<p>\u3000\u3000<strong>433MHz\u65e0\u7ebf\u6a21\u5757<\/strong>\u7684\u53d1\u9001\u548c\u63a5\u6536\u8ddd\u79bb\u56e0\u591a\u79cd\u56e0\u7d20\u800c\u5f02\uff0c\u5305\u62ec\u73af\u5883\u6761\u4ef6\u3001\u53d1\u5c04\u529f\u7387\u3001\u5929\u7ebf\u4f7f\u7528\u60c5\u51b5\u7b49\u3002\u4ee5\u4e0b\u662f\u4e0d\u540c\u73af\u5883\u548c\u6761\u4ef6\u4e0b\u7684\u4e00\u4e9b\u5177\u4f53\u6570\u636e\uff1a<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u7a7a\u65f7\u5730<\/strong>\uff1a\u5728\u6ca1\u6709\u969c\u788d\u7269\u7684\u5f00\u9614\u5730\u5e26\uff0c433MHz\u65e0\u7ebf\u6a21\u5757\u7684\u4f20\u8f93\u8ddd\u79bb\u901a\u5e38\u4e3a20\u523050\u7c73\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u5e73\u5766\u5730\u9762<\/strong>\uff1a\u5982\u679c\u53d1\u5c04\u529f\u7387\u4e3a10mW\u4e14\u5929\u7ebf\u589e\u76ca\u4e3a3dBi\uff0c\u5728\u5e73\u5766\u5730\u9762\u4e0a\uff0c\u4f20\u8f93\u8ddd\u79bb\u53ef\u4ee5\u8fbe\u52301000\u7c73\u4ee5\u4e0a\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u5ba4\u5185\u73af\u5883<\/strong>\uff1a\u5728\u5ba4\u5185\u73af\u5883\u4e2d\uff0c\u7a33\u5b9a\u4f20\u8f93\u8ddd\u79bb\u7ea6\u4e3a15\u7c73\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u7406\u60f3\u6761\u4ef6\u4e0b\u7684\u8ba1\u7b97<\/strong>\uff1a\u5728\u7406\u60f3\u60c5\u51b5\u4e0b\uff0c\u5982\u679c\u53d1\u5c04\u529f\u7387\u4e3a5dBm\uff0c\u63a5\u6536\u7075\u654f\u5ea6\u4e3a-118.5dBm\uff0c\u4ecb\u8d28\u635f\u8017\u4e3a45dBm\uff0c\u7406\u8bba\u4e0a\u901a\u8baf\u8ddd\u79bb\u4e3a460\u7c73\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u5b9e\u9645\u5e94\u7528\u4e2d\u7684\u6570\u636e<\/strong>\uff1a<\/p>\n\n\n\n<p>\u3000\u3000\u5728\u67d0\u4e9b\u5e94\u7528\u4e2d\uff0c\u4f8b\u5982\u5149\u4f0f\u677f\u76d1\u63a7\u7cfb\u7edf\uff0c433MHz\u6a21\u5757\u7684\u4f20\u8f93\u8ddd\u79bb\u8303\u56f4\u4ece3\u7c73(\u65e0\u5929\u7ebf)\u523040\u7c73(\u5b9e\u9645\u4f7f\u7528)\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u53e6\u4e00\u79cd\u6a21\u5757\u5728\u7406\u60f3\u6761\u4ef6\u4e0b\uff0c\u901a\u4fe1\u8ddd\u79bb\u53ef\u8fbe5\u516c\u91cc\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u5176\u4ed6\u6570\u636e<\/strong>\uff1a<\/p>\n\n\n\n<p>\u3000\u3000\u5728\u5de5\u4e1a\u9065\u63a7\u5668\u4e2d\uff0c433MHz\u63a5\u6536\u6a21\u5757\u80fd\u591f\u5b9e\u73b0\u51e0\u767e\u7c73\u751a\u81f3\u66f4\u8fdc\u7684\u901a\u4fe1\u8303\u56f4\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u4f7f\u7528LoRa\u8c03\u5236\u6a21\u5f0f\u7684\u6a21\u5757\uff0c\u5176\u6700\u5927\u4f20\u8f93\u8ddd\u79bb\u53ef\u4ee5\u8fbe\u523015\u516c\u91cc\u3002<\/p>\n\n\n\n<p>\u3000\u3000433MHz\u65e0\u7ebf\u6a21\u5757\u7684\u4f20\u8f93\u8ddd\u79bb\u5728\u4e0d\u540c\u7684\u5e94\u7528\u573a\u666f\u548c\u6761\u4ef6\u4e0b\u6709\u5f88\u5927\u7684\u53d8\u5316\u3002\u5728\u7a7a\u65f7\u4e14\u65e0\u969c\u788d\u7269\u7684\u73af\u5883\u4e2d\uff0c\u5176\u4f20\u8f93\u8ddd\u79bb\u53ef\u4ee5\u8fbe\u5230\u51e0\u767e\u7c73\u751a\u81f3\u66f4\u8fdc\uff0c\u800c\u5728\u5ba4\u5185\u6216\u6709\u969c\u788d\u7269\u7684\u73af\u5883\u4e2d\u5219\u4f1a\u6709\u6240\u51cf\u5c11\u3002\u6b64\u5916\uff0c\u4f7f\u7528\u5929\u7ebf\u548c\u5176\u4ed6\u6280\u672f\u624b\u6bb5\u53ef\u4ee5\u663e\u8457\u63d0\u9ad8\u4f20\u8f93\u8ddd\u79bb\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e00\u3001 433MHz\u65e0\u7ebf\u6a21\u5757\u5728\u4e0d\u540c\u73af\u5883\u6761\u4ef6\u4e0b\u7684\u4f20\u8f93\u8ddd\u79bb\u5982\u4f55\u53d8\u5316?<\/h2>\n\n\n\n<p>\u3000\u3000433MHz\u65e0\u7ebf\u6a21\u5757\u7684\u4f20\u8f93\u8ddd\u79bb\u5728\u4e0d\u540c\u73af\u5883\u6761\u4ef6\u4e0b\u4f1a\u6709\u6240\u53d8\u5316\uff0c\u4e3b\u8981\u53d7\u5230\u53d1\u5c04\u529f\u7387\u3001\u5929\u7ebf\u7c7b\u578b\u3001\u969c\u788d\u7269\u3001\u5929\u6c14\u6761\u4ef6\u7b49\u56e0\u7d20\u7684\u5f71\u54cd\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u53d1\u5c04\u529f\u7387<\/strong>\uff1a\u53d1\u5c04\u529f\u7387\u8d8a\u5927\uff0c\u4fe1\u53f7\u4f20\u8f93\u7684\u8ddd\u79bb\u5c31\u8d8a\u8fdc\u3002\u4f8b\u5982\uff0c\u5728\u7279\u5b9a\u6761\u4ef6\u4e0b\uff0c\u5982\u53d1\u5c04\u529f\u7387\u4e3a12dBm\u65f6\uff0c\u7406\u8bba\u4e0a\u7684\u901a\u8baf\u8ddd\u79bb\u53ef\u8fbe8.7\u516c\u91cc;\u800c\u5728\u53d1\u5c04\u529f\u7387\u4e3a5dBm\u65f6\uff0c\u7406\u8bba\u4e0a\u7684\u901a\u8baf\u8ddd\u79bb\u4e3a0.46\u516c\u91cc\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u5929\u7ebf\u7c7b\u578b\u548c\u589e\u76ca<\/strong>\uff1a\u5929\u7ebf\u7684\u9009\u62e9\u5bf9\u4f20\u8f93\u8ddd\u79bb\u6709\u663e\u8457\u5f71\u54cd\u3002\u9ad8\u8d28\u91cf\u7684\u5929\u7ebf(\u5982\u94dc\u6750\u6599\u7684\u5929\u7ebf)\u548c\u9ad8\u589e\u76ca\u5929\u7ebf\u53ef\u4ee5\u63d0\u9ad8\u4fe1\u53f7\u7684\u4f20\u8f93\u6548\u679c\uff0c\u4ece\u800c\u589e\u52a0\u4f20\u8f93\u8ddd\u79bb\u3002\u5408\u7406\u7684\u5929\u7ebf\u8bbe\u8ba1\u548c\u4f18\u5316\u4e5f\u80fd\u63d0\u5347\u65e0\u7ebf\u4f20\u8f93\u7684\u6548\u679c\u548c\u8ddd\u79bb\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u969c\u788d\u7269<\/strong>\uff1a\u7269\u7406\u969c\u788d\u7269\u5982\u5899\u58c1\u3001\u5efa\u7b51\u7269\u548c\u6811\u6728\u7b49\u4f1a\u524a\u5f31\u65e0\u7ebf\u4fe1\u53f7\u7684\u5f3a\u5ea6\u548c\u8d28\u91cf\uff0c\u5bfc\u81f4\u4f20\u8f93\u8ddd\u79bb\u51cf\u5c11\u3002\u91d1\u5c5e\u7269\u4f53\u3001\u6df7\u51dd\u571f\u5899\u3001\u6c34\u7b49\u90fd\u53ef\u4ee5\u5438\u6536\u548c\u53cd\u5c04\u65e0\u7ebf\u4fe1\u53f7\uff0c\u4ece\u800c\u5f71\u54cd\u4f20\u8f93\u8ddd\u79bb\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u5929\u6c14\u6761\u4ef6<\/strong>\uff1a\u6076\u52a3\u7684\u5929\u6c14\u6761\u4ef6\u5982\u96e8\u3001\u96ea\u3001\u96fe\u7b49\u4e5f\u53ef\u80fd\u5bf9\u65e0\u7ebf\u4fe1\u53f7\u7684\u4f20\u8f93\u8ddd\u79bb\u4ea7\u751f\u5f71\u54cd\u3002\u7a7a\u6c14\u4e2d\u7684\u6c34\u5206\u548c\u6c14\u6d41\u4f1a\u5e72\u6270\u65e0\u7ebf\u4fe1\u53f7\uff0c\u4ece\u800c\u5f71\u54cd\u4f20\u8f93\u8ddd\u79bb\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u73af\u5883\u5e72\u6270<\/strong>\uff1a\u7535\u78c1\u5e72\u6270\u548c\u5176\u4ed6\u65e0\u7ebf\u8bbe\u5907\u7684\u9891\u7387\u51b2\u7a81\u4e5f\u4f1a\u5bf9\u4f20\u8f93\u8ddd\u79bb\u4ea7\u751f\u8d1f\u9762\u5f71\u54cd\u3002\u91c7\u7528\u5408\u9002\u7684\u6ee4\u6ce2\u548c\u6297\u5e72\u6270\u6280\u672f\u53ef\u4ee5\u51cf\u5c11\u73af\u5883\u5e72\u6270\u5bf9\u4f20\u8f93\u8ddd\u79bb\u7684\u5f71\u54cd\u3002<\/p>\n\n\n\n<p>\u3000\u3000433MHz\u65e0\u7ebf\u6a21\u5757\u7684\u4f20\u8f93\u8ddd\u79bb\u901a\u5e38\u5728\u51e0\u5341\u7c73\u5230\u51e0\u767e\u7c73\u4e4b\u95f4\uff0c\u4f46\u5728\u7406\u60f3\u6761\u4ef6\u4e0b\uff0c\u5982\u53d1\u5c04\u529f\u7387\u8f83\u9ad8\u3001\u65e0\u5e72\u6270\u4e14\u73af\u5883\u5141\u8bb8\u7684\u60c5\u51b5\u4e0b\uff0c\u4f20\u8f93\u8ddd\u79bb\u53ef\u4ee5\u8fbe\u5230\u6570\u5343\u7c73\u3002\u5728\u5f00\u653e\u7a7a\u65f7\u7684\u533a\u57df\u4f7f\u7528\u8f83\u9ad8\u529f\u7387\u7684\u8bbe\u5907\u548c\u5408\u9002\u7684\u5929\u7ebf\uff0c\u4f20\u8f93\u8ddd\u79bb\u53ef\u80fd\u4f1a\u66f4\u8fdc\u3002\u7136\u800c\uff0c\u5728\u4e00\u822c\u5e94\u7528\u6216\u5b58\u5728\u969c\u788d\u7269\u7684\u73af\u5883\u4e2d\uff0c\u4f20\u8f93\u8ddd\u79bb\u53ef\u80fd\u4f1a\u51cf\u5c11\u5230\u51e0\u5341\u5230\u51e0\u767e\u7c73\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e8c\u3001 \u5982\u4f55\u901a\u8fc7\u5929\u7ebf\u8bbe\u8ba1\u548c\u4f7f\u7528\u63d0\u9ad8433MHz\u65e0\u7ebf\u6a21\u5757\u7684\u4f20\u8f93\u8ddd\u79bb?<\/h2>\n\n\n\n<p>\u3000\u3000\u8981\u63d0\u9ad8433MHz\u65e0\u7ebf\u6a21\u5757\u7684\u4f20\u8f93\u8ddd\u79bb\uff0c\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u51e0\u79cd\u65b9\u6cd5\u6765\u4f18\u5316\u5929\u7ebf\u8bbe\u8ba1\u548c\u4f7f\u7528\uff1a<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30001.&nbsp;<strong>\u9009\u62e9\u9ad8\u589e\u76ca\u5929\u7ebf<\/strong>\uff1a<\/h3>\n\n\n\n<p>\u3000\u3000\u4f7f\u7528\u9ad8\u589e\u76ca\u5929\u7ebf\u53ef\u4ee5\u663e\u8457\u63d0\u9ad8\u4fe1\u53f7\u7684\u8986\u76d6\u8303\u56f4\u548c\u7a33\u5b9a\u6027\u3002\u9ad8\u589e\u76ca\u5929\u7ebf\u80fd\u591f\u63d0\u4f9b\u66f4\u8fdc\u7684\u4f20\u8f93\u8ddd\u79bb\u548c\u66f4\u5f3a\u7684\u4fe1\u53f7\u5f3a\u5ea6\u3002\u4f8b\u5982\uff0c\u76f4\u7ebf\u5929\u7ebf\u3001\u7ebf\u5708\u52a0\u8f7d\u5929\u7ebf\u3001\u5355\u6781\u5929\u7ebf\u3001\u53cc\u6781\u5929\u7ebf\u548c\u5076\u6781\u5929\u7ebf\u7b49\u4e0d\u540c\u7c7b\u578b\u7684\u5929\u7ebf\u8bbe\u8ba1\u90fd\u53ef\u4ee5\u6839\u636e\u5177\u4f53\u9700\u6c42\u8fdb\u884c\u9009\u62e9\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30002.&nbsp;<strong>\u8c03\u6574\u5929\u7ebf\u67b6\u8bbe\u9ad8\u5ea6<\/strong>\uff1a<\/h3>\n\n\n\n<p>\u3000\u3000\u5c3d\u91cf\u5c06\u5929\u7ebf\u67b6\u8bbe\u5728\u8f83\u9ad8\u7684\u5730\u65b9\uff0c\u4ee5\u51cf\u5c11\u5730\u9762\u53cd\u5c04\u548c\u5176\u4ed6\u969c\u788d\u7269\u7684\u5f71\u54cd\u3002\u4e00\u822c\u5efa\u8bae\u4fdd\u6301\u5929\u7ebf\u79bb\u5730\u9762\u81f3\u5c112\u7c73\u4ee5\u4e0a\uff0c\u8fd9\u6837\u53ef\u4ee5\u8fbe\u5230\u8f83\u597d\u7684\u4f20\u8f93\u6548\u679c\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30003.&nbsp;<strong>\u4f7f\u7528\u5b9a\u5411\u5929\u7ebf<\/strong>\uff1a<\/h3>\n\n\n\n<p>\u3000\u3000\u5b9a\u5411\u5929\u7ebf\u53ef\u4ee5\u5e2e\u52a9\u63d0\u9ad8\u4fe1\u53f7\u7684\u65b9\u5411\u6027\u548c\u8986\u76d6\u8303\u56f4\uff0c\u4ece\u800c\u63d0\u9ad8\u6570\u636e\u4f20\u8f93\u7684\u7a33\u5b9a\u6027\u548c\u8d28\u91cf\u3002\u5b9a\u5411\u5929\u7ebf\u5728\u7279\u5b9a\u65b9\u5411\u4e0a\u5177\u6709\u66f4\u9ad8\u7684\u589e\u76ca\uff0c\u9002\u5408\u9700\u8981\u7cbe\u786e\u63a7\u5236\u4fe1\u53f7\u4f20\u64ad\u65b9\u5411\u7684\u5e94\u7528\u573a\u666f\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30004.&nbsp;<strong>\u4f18\u5316\u9988\u7ebf\u548c\u9988\u70b9\u8bbe\u8ba1<\/strong>\uff1a<\/h3>\n\n\n\n<p>\u3000\u3000\u9988\u7ebf\u662f\u8fde\u63a5\u53d1\u5c04\u673a\u548c\u5929\u7ebf\u7684\u91cd\u8981\u90e8\u5206\uff0c\u5176\u6027\u80fd\u76f4\u63a5\u5f71\u54cd\u4fe1\u53f7\u4f20\u8f93\u6548\u679c\u3002\u9009\u62e9\u5408\u9002\u7684\u9988\u7ebf\u548c\u9988\u70b9\u8bbe\u8ba1\uff0c\u786e\u4fdd\u963b\u6297\u5339\u914d\uff0c\u53ef\u4ee5\u63d0\u9ad8\u4fe1\u53f7\u4f20\u8f93\u6548\u7387\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30005.&nbsp;<strong>\u964d\u4f4e\u901a\u4fe1\u901f\u7387<\/strong>\uff1a<\/h3>\n\n\n\n<p>\u3000\u3000\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u964d\u4f4e\u901a\u4fe1\u901f\u7387\u53ef\u4ee5\u589e\u52a0\u65e0\u7ebf\u6a21\u5757\u7684\u4f20\u8f93\u8ddd\u79bb\u3002\u8fd9\u662f\u56e0\u4e3a\u8f83\u4f4e\u7684\u901f\u7387\u901a\u5e38\u610f\u5473\u7740\u8f83\u4f4e\u7684\u529f\u8017\u548c\u66f4\u957f\u7684\u4f20\u8f93\u8ddd\u79bb\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30006.&nbsp;<strong>\u4f7f\u7528\u5706\u6781\u5316\u6216\u692d\u5706\u6781\u5316\u5929\u7ebf<\/strong>\uff1a<\/h3>\n\n\n\n<p>\u3000\u3000\u5706\u6781\u5316\u6216\u692d\u5706\u6781\u5316\u7684\u5929\u7ebf\u53ef\u4ee5\u964d\u4f4e\u969c\u788d\u7269\u5bf9\u901a\u4fe1\u8ddd\u79bb\u7684\u5f71\u54cd\uff0c\u7279\u522b\u662f\u5728\u590d\u6742\u73af\u5883\u4e2d\u4f7f\u7528\u65f6\uff0c\u8fd9\u79cd\u7c7b\u578b\u7684\u5929\u7ebf\u80fd\u591f\u63d0\u4f9b\u66f4\u597d\u7684\u4fe1\u53f7\u63a5\u6536\u6548\u679c\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30007.&nbsp;<strong>\u9009\u62e9\u5408\u9002\u7684\u5929\u7ebf\u6750\u8d28<\/strong>\uff1a<\/h3>\n\n\n\n<p>\u3000\u3000\u5929\u7ebf\u7684\u6750\u8d28\u4e5f\u4f1a\u5f71\u54cd\u5176\u6027\u80fd\u3002\u4e00\u822c\u6765\u8bf4\uff0c\u94dc\u3001\u94f6\u7b49\u5bfc\u7535\u6027\u597d\u7684\u6750\u6599\u5236\u6210\u7684\u5929\u7ebf\u6027\u80fd\u8f83\u597d\u3002<\/p>\n\n\n\n<h2 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