Cwt Co., Limited. was established in 2003, and is a professional supplier of GSM & CDMA communication terminals. We have a modern factory in Shenzhen. As the original manufacturer of CWT5000 GSM terminals and one of the first companies working on GSM Fixed Wireless Terminals in China. Yingke Hudong is engaged in the R&D of wireless communication devices. Our products include CWT5000 series GSM/GPRS RTU, GPS trackers,CWT5002 MODBUS TCP RTU, Gprs temperature humidity data logger , We have the ability to design remote m2m or m2h systems or terminals for any customer. We are now working on "Internet of Things".