GPRS M2M Terminal
1.850/900/1800/1900MHZ
2. street light switch
3.remote control through gprs
4.rs232/r485/TTL
1 OverviewBased on the public net, KB3050 GPRS DTU transmit widely, stably and reliably, KB3050 GPRS DTU is widely used in unattended operation device, Remote AMR,...