常用物联网硬件设备解决方案网址

工地人员RFID安全帽考勤系统
http://www.etagrfid.com/Product/234.html

4G无线视频监控系统（含太阳能供电）

https://shop1357839574035.1688.com/

视频会议设备：
https://item.taobao.com/item.htm?spm=a230r.1.14.51.13341146eCafl3&id=39681190244&ns=1&abbucket=2#detail
https://item.taobao.com/item.htm?spm=a230r.1.14.16.49d73e8awjhWHo&id=40150166217&ns=1&abbucket=2#detail

https://item.taobao.com/item.htm?spm=a230r.1.14.109.2ca1567eO2DVns&id=572577182401&ns=1&abbucket=2#detail

消防烟感探测器：
https://item.taobao.com/item.htm?spm=a230r.1.14.49.2ca1567eO2DVns&id=528288997592&ns=1&abbucket=2#detail
https://item.taobao.com/item.htm?spm=a230r.1.14.109.2ca1567eO2DVns&id=572577182401&ns=1&abbucket=2#detail

多接口的RTU也可以进行数据传输：

http://www.data86.com/?p=956