{"id":2890,"date":"2023-06-07T16:41:48","date_gmt":"2023-06-07T08:41:48","guid":{"rendered":"\/\/www.viralrail.com\/?p=2890"},"modified":"2023-06-07T16:41:53","modified_gmt":"2023-06-07T08:41:53","slug":"ncsssmys-2","status":"publish","type":"post","link":"\/\/www.viralrail.com\/blog\/2890.html","title":{"rendered":"nb\u4f20\u8f93\u662f\u4ec0\u4e48\u610f\u601d\uff1f"},"content":{"rendered":"\n<p>\u3000\u3000NB\u4f20\u8f93\u662f\u4e00\u79cd\u6570\u636e\u4f20\u8f93\u6807\u51c6\uff0c\u662f\u6307Narrow Band\u4f20\u8f93\uff0c\u7ffb\u8bd1\u8fc7\u6765\u5c31\u662f\u7a84\u5e26\u4f20\u8f93\u3002\u5b83\u662f\u4e00\u79cd\u4f4e\u901f\u6570\u636e\u4f20\u8f93\u6280\u672f\uff0c\u4e3b\u8981\u7528\u4e8e\u7269\u8054\u7f51\u8bbe\u5907\u548c\u4f20\u611f\u5668\u4e4b\u95f4\u7684\u901a\u4fe1\u3002\u672c\u6587\u5c06\u4ecb\u7ecdNB\u4f20\u8f93\u7684\u57fa\u672c\u539f\u7406\u3001\u5e94\u7528\u9886\u57df\u548c\u4f18\u7f3a\u70b9\u7b49\u65b9\u9762\u7684\u5185\u5bb9\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e00\u3001NB\u4f20\u8f93\u7684\u57fa\u672c\u539f\u7406<\/h2>\n\n\n\n<p>\u3000\u3000NB\u4f20\u8f93\u662f\u4e00\u79cd\u7a84\u5e26\u65e0\u7ebf\u901a\u4fe1\u6280\u672f\uff0c\u5176\u57fa\u672c\u539f\u7406\u662f\u901a\u8fc7\u65e0\u7ebf\u7f51\u7edc\u5c06\u8bbe\u5907\u548c\u4f20\u611f\u5668\u8fde\u63a5\u5230\u4e92\u8054\u7f51\u3002\u5b83\u91c7\u7528\u7684\u662f\u4f4e\u529f\u7387\u7684\u65e0\u7ebf\u4fe1\u53f7\uff0c\u80fd\u591f\u5b9e\u73b0\u957f\u8ddd\u79bb\u901a\u4fe1\uff0c\u540c\u65f6\u4e5f\u5177\u6709\u4f4e\u6210\u672c\u3001\u4f4e\u529f\u8017\u548c\u5e7f\u8986\u76d6\u7b49\u7279\u70b9\u3002<\/p>\n\n\n\n<p>\u3000\u3000NB\u4f20\u8f93\u4e3b\u8981\u91c7\u7528\u7a84\u5e26\u9891\u7387\u8c03\u5236\u6280\u672f\uff0c\u5c06\u6570\u636e\u8f6c\u6362\u6210\u6570\u5b57\u4fe1\u53f7\uff0c\u7136\u540e\u901a\u8fc7\u8c03\u5236\u7684\u65b9\u5f0f\u5c06\u6570\u5b57\u4fe1\u53f7\u8f6c\u6362\u6210\u6a21\u62df\u4fe1\u53f7\uff0c\u6700\u7ec8\u901a\u8fc7\u65e0\u7ebf\u4fe1\u53f7\u4f20\u8f93\u5230\u63a5\u6536\u7aef\u3002\u5728\u4f20\u8f93\u8fc7\u7a0b\u4e2d\uff0cNB\u4f20\u8f93\u91c7\u7528\u7684\u662f\u4f4e\u529f\u7387\u7684\u65e0\u7ebf\u4fe1\u53f7\uff0c\u80fd\u591f\u4fdd\u6301\u957f\u65f6\u95f4\u7684\u901a\u4fe1\uff0c\u540c\u65f6\u4e5f\u53ef\u4ee5\u964d\u4f4e\u529f\u8017\uff0c\u5ef6\u957f\u8bbe\u5907\u7684\u4f7f\u7528\u5bff\u547d\u3002<\/p>\n\n\n\n<h2 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class=\"wp-block-heading\">\u3000\u3000\u4e09\u3001NB\u4f20\u8f93\u7684\u4f18\u7f3a\u70b9<\/h2>\n\n\n\n<p>\u3000\u3000<strong>\u4f18\u70b9\uff1a<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u30001. \u4f4e\u6210\u672c\uff1aNB\u4f20\u8f93\u91c7\u7528\u7684\u662f\u4f4e\u529f\u7387\u7684\u65e0\u7ebf\u4fe1\u53f7\uff0c\u80fd\u591f\u5b9e\u73b0\u4f4e\u6210\u672c\u7684\u901a\u4fe1\uff0c\u964d\u4f4e\u8bbe\u5907\u7684\u5236\u9020\u6210\u672c\u3002<\/li>\n\n\n\n<li>\u3000\u30002. \u4f4e\u529f\u8017\uff1aNB\u4f20\u8f93\u91c7\u7528\u7684\u662f\u4f4e\u529f\u7387\u7684\u65e0\u7ebf\u4fe1\u53f7\uff0c\u80fd\u591f\u964d\u4f4e\u8bbe\u5907\u7684\u529f\u8017\uff0c\u5ef6\u957f\u8bbe\u5907\u7684\u4f7f\u7528\u5bff\u547d\u3002<\/li>\n\n\n\n<li>\u3000\u30003. 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