流量卡、物联卡这种卡到底是什么卡？
流量卡一般指的是没有语音通信功能，只有短信和上网功能的号码卡，像中国移动的随E行，就属于流量卡。
物联卡是中国移动面向物联网用户提供的移动通信接入业务，为物联网终端提供无线数据、语音、短信等基础通信服务，并为物联网客户提供通信连接管理、终端管理等运营服务
流量卡分很多种，物联网卡是流量卡的一种。
流量卡 有可以去当地营业厅拿身份证购买的，手机带流量卡或者单纯的上网流量卡，或者是拉宽带送的流量卡，或者网上卖的集团流量卡等等， 这里的流量卡 是直接运营商开户出来的，走运营商的公共互联网端口，网速快点，稳定些 。一般有11位数号码！可以到官网查询流量和信息等！
物联网卡或者网址卡，上面没有11位数字的号码，就是有，也是和普通的上网卡号码段不一样的，物联网卡是大的代理商或者平台，向运营商购买大的流量包 ，比如一次性购买一个大的流量包，买一个总流量，比如购买500GB，然后在这个总流量里面开很多卡出来，比如每个卡分配2G流量，这样就可以开很多个流量卡出来。流量总数据包是固定的，里面可以细分很多个小的流量包 ，就是卖给我们的流量卡。物联网卡如果分的卡越多，网速会拖慢！
不成熟的APP平台还会共享流量，就是假如 没用那么多流量，也会跑很多流量，成熟的APP流量卡商 ，就不会出现流量乱扣现象！
现在全国流行物联网卡，因为可以不用实名，直接使用！方便购买和方便使用！
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