Zhengzhou Shuangtu Technology Co., Ltd.

T-8710S device is wireless handheld GPS intercom system which is based on CDMA, GSM or GPRS internet, it can realize the nationwide long-distance inte

New developing long range or long distance vehicle mounted intercom systems, with GPS positioning function, it can realize the nationwide intercom fun

T-series wireless intercom system based on CDMA or GPRS internet, adopting digital compression and transmission technology, can realize the nationwide

T-8710 device is GPS positioning and wireless intercom multifunction system, which is based on GSM, WCDMA or GPRS internet, can realize the nationwide

It can realize the global GPS positioning and nationwide long range wireless intercom at the same time, and there is no distance restrictions and othe

T-8710S device is wireless handhelp intercom system which is based on CDMA, GSM or GPRS internet, can realize the nationwide intercom and positioning,

GPS positioning wireless intercom system which is based on CDMA, GSM or GPRS internet, it can realize the nationwide intercom, and there is no calling

T-8710S device is wireless handheld GPS intercom system which is based on CDMA, GSM or GPRS internet, it can realize the nationwide long-distance inte

T-8000 GPS positioning intercom system based on CDMA, GPRS internet, adopting digital compression and transmission technology, it can realize global G

T-8710 device is GPS positioning and wireless intercom multifunction system, which is based on GSM, WCDMA or GPRS internet, can realize the nationwide