因此GPRS远程抄表便应运而生，它解决了人工抄表一系列问题，效率更高，更安全，用户缴费更加便捷。但是，GPRS表也产生了一些问题，通讯基站用户容量比较小，功耗高，信号差。而普遍的水气表都要求是电池供电，因此这对表类的功耗提出了很高的要求，一般2G通信的瞬时电流可达到2A，这对电池性能的选型和成本控制增加了很大困难
ZG致远电子ZM7100 NB-IoT模块支持电信、移动频段，支持CoAP快速与云平台实现对接，目前支持的云平台有OneNET、eCoud、Aiyun、ZWS IoT等，极大地降低了客户跟云平台的对接难度。且模块支持FOTA远程差分升级，仅需上传数据量很小升级包的差分文件，即可完成升级。
致远电子作为物联网行业领军企业，构建工业无线互联系统级解决方案专家，携手工业互联网领域战略合作伙伴，联合推出ZM7100 NB-IoT标准通信模块，共同助力中国物联网产业发展。
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