{"id":9715,"date":"2023-08-16T14:39:25","date_gmt":"2023-08-16T06:39:25","guid":{"rendered":"\/\/www.viralrail.com\/?p=9715"},"modified":"2023-08-16T14:39:25","modified_gmt":"2023-08-16T06:39:25","slug":"mssmpd","status":"publish","type":"post","link":"\/\/www.viralrail.com\/blog\/9715.html","title":{"rendered":"470MHz\u662f\u4ec0\u4e48\u9891\u6bb5\uff1f"},"content":{"rendered":"
\u3000\u3000470MHz\u662f\u4e00\u4e2a\u9891\u7387\u8303\u56f4\uff0c\u5b83\u4f4d\u4e8eVHF\u9891\u6bb5\u7684\u6700\u9ad8\u7aef\uff0c\u4e5f\u662f\u6536\u97f3\u673a\u3001\u7535\u89c6\u673a\u3001\u65e0\u7ebf\u7535\u53f0\u7b49\u7535\u6ce2\u8bbe\u5907\u7684\u9891\u7387\u8303\u56f4\u3002\u672c\u6587\u5c06\u8be6\u7ec6\u4ecb\u7ecd470MHz\u9891\u6bb5\u7684\u7279\u70b9\u3001\u5e94\u7528\u9886\u57df\u3001\u4f18\u52bf\u548c\u7f3a\u70b9\uff0c\u4ee5\u53ca\u5176\u4ed6\u76f8\u5173\u5185\u5bb9\u3002<\/p>\n
\u3000\u3000470MHz\u9891\u6bb5\u5728VHF\u9891\u6bb5\u4e2d\u5904\u4e8e\u6700\u9ad8\u7aef\uff0c\u5176\u9891\u7387\u8303\u56f4\u4ece470MHz\u5230806MHz\uff0c\u5360\u636eVHF\u9891\u6bb5\u7684\u7b2c\u516d\u5230\u7b2c\u5341\u4e00\u4e2a\u9891\u9053\u3002\u5b83\u7684\u4f20\u8f93\u8ddd\u79bb\u8f83\u77ed\uff0c\u4f46\u4fe1\u53f7\u4f20\u64ad\u8303\u56f4\u5bbd\uff0c\u53ef\u4ee5\u8986\u76d6\u8f83\u5927\u7684\u5730\u533a\uff0c\u56e0\u6b64\u9002\u7528\u4e8e\u7535\u89c6\u548c\u65e0\u7ebf\u7535\u5e7f\u64ad\u53d1\u5c04\u3002<\/p>\n
\u3000\u3000470MHz\u9891\u6bb5\u7684\u4e3b\u8981\u5e94\u7528\u9886\u57df\u662f\u7535\u89c6\u548c\u65e0\u7ebf\u7535\u5e7f\u64ad\uff0c\u5b83\u53ef\u4ee5\u8986\u76d6\u8f83\u5927\u7684\u5730\u533a\uff0c\u5e76\u4e14\u4f20\u8f93\u8ddd\u79bb\u8f83\u77ed\uff0c\u56e0\u6b64\u53ef\u4ee5\u7528\u4e8e\u7535\u89c6\u548c\u65e0\u7ebf\u7535\u5e7f\u64ad\u53d1\u5c04\u3002\u6b64\u5916\uff0c470MHz\u9891\u6bb5\u8fd8\u53ef\u4ee5\u7528\u4e8e\u79fb\u52a8\u7535\u8bdd\u3001\u79fb\u52a8\u6570\u636e\u901a\u4fe1\u3001\u65e0\u7ebf\u7f51\u7edc\u548c\u5bbd\u5e26\u7b49\u5e94\u7528\u9886\u57df\u3002<\/p>\n
\u3000\u3000470MHz\u9891\u6bb5\u7684\u4f18\u52bf\u5728\u4e8e\u53ef\u4ee5\u8986\u76d6\u8f83\u5927\u7684\u5730\u533a\uff0c\u4f20\u8f93\u8ddd\u79bb\u8f83\u77ed\uff0c\u56e0\u6b64\u53ef\u4ee5\u7528\u4e8e\u7535\u89c6\u548c\u65e0\u7ebf\u7535\u5e7f\u64ad\u53d1\u5c04\u3002\u6b64\u5916\uff0c470MHz\u9891\u6bb5\u8fd8\u53ef\u4ee5\u7528\u4e8e\u79fb\u52a8\u7535\u8bdd\u3001\u79fb\u52a8\u6570\u636e\u901a\u4fe1\u3001\u65e0\u7ebf\u7f51\u7edc\u548c\u5bbd\u5e26\u7b49\u5e94\u7528\u9886\u57df\u3002<\/p>\n
\u3000\u3000\u7136\u800c\uff0c470MHz\u9891\u6bb5\u4e5f\u6709\u4e00\u4e9b\u7f3a\u70b9\uff0c\u9996\u5148\uff0c\u5b83\u7684\u4f20\u8f93\u8ddd\u79bb\u6bd4\u8f83\u77ed\uff0c\u56e0\u6b64\u5728\u5ba4\u5916\u73af\u5883\u4e2d\u4f7f\u7528\u65f6\u53ef\u80fd\u4f1a\u53d7\u5230\u5e72\u6270\uff0c\u5f71\u54cd\u4fe1\u53f7\u4f20\u8f93\u7684\u8d28\u91cf\u3002\u5176\u6b21\uff0c470MHz\u9891\u6bb5\u7684\u7535\u78c1\u6ce2\u5f3a\u5ea6\u8f83\u5f31\uff0c\u56e0\u6b64\u5b83\u7684\u4f20\u8f93\u901f\u7387\u4e5f\u8f83\u6162\uff0c\u4e0d\u9002\u5408\u5927\u91cf\u6570\u636e\u4f20\u8f93\u3002<\/p>\n
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