The W3100 series DTU is a kind of bi-directional-converter, which can convert the series communication of industrial RS232/RS485/TTL into wireless network communication of GPRS/CDMA.
It is based on the 2.5G network-communicating platform, transmitting in the transparent way. There is no use for the user to clearly know the complicated communicating theory of GPRS/CDMA. Neither does it usable to change the program to link the original series equipments. It can be applied to the long-distance communication or control in the field of automatic electric power system, industrial monitoring, water conservancy, weather, environment protection, transportation, finance, securities, etc. product of this kind can save you both time and fund.