ZLAN 2G/3G/4G product cover all the supplier of mobile communication network, mainly including 2G(GPRS) ZLAN8100 ,3G product ZLAN8303 supporting Telecom EVDO/CDMA2000, ZLAN8303-5 supporting Mobile3G/4G, Unicom 3G/4G, Telecom 4G.
2G（GPRS）Serial Device Server is the early mobile network, although the speed is low, but with low price, low traffic fee, GPRS covering wide range, thus ZLAN8100 is convenient to be used in those field data monitoring not requiring high speed. The application is mainly transmit collecting data to cloud server via RS232/485.
3G/4G product ZLAN8303-5 is a new generation of mobile communication DTU, the transmission speed is faster than ZLAN8100. ZLAN8303N has integrated P2P function, user computer can communicate with 8303N anytime anywhere through P2P technology, it’s the new generation of mobile IoT data acquisition solution. As shown, details please refer to the third part P2P technology.
When monitoring geological hazard or collecting meteorological data in the field, there is no available wired network and wifi signal, in this case can through GPRS or 3G/4G DTU to collect data.