NB-IoT究竟是什麼?終於有人講透了
Sunday, October 1, 2017 by JSDN
物聯網的無線通信技術很多,主要分為兩類:一類是Zigbee、WiFi、藍牙、Z-wave等短距離通信技術;另一類是LPWAN(low-power Wide-Area Network,低功耗廣域網),即廣域網通信技術。LPWA又可分為兩類:一類是工作於未授權頻譜
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Sunday, October 1, 2017 by JSDN
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