... use for internet connection, data transmitting application and so on. KB3050 GPRS DTU (Data Terminal Unit) is special GPRS wireless device ... the data from COM port through GPRS mobile data network. KB3050 GPRS DTU is used in electric power automatic system, industry ... data service center modify DTU parameters. 3. Appearance and Interface KB3050 GPRSS DTU has three physical interfaces: The first is 10 ...