AMR GPRS MODEM for Wireless Waiter Call System

 1.RS232/RS485 GPRS for wireless waiter call system

KB3020 GPRS DTU (Data Terminal Unit) is wireless data transmitting terminal of GPRS and embedded with High reliable ARM7 CPU.

Based on the public net, KB3020 GPRS DTU transmit widely, stably and reliably, KB3020 GPRS DTU is widely used in unattended operation device, Remote AMR, remote data acquisition, remote AMR, remote scheduling and so on. Due to this product is designed for industry integrated, we adopt special designs in the temperature scope, shaking, EMC and interface multiform and so on, to keep it good stability in the severe atmosphere, ensure high quality for your device.

KB3020 GPRS DTU is used in electric power automatic system, industry monitoring, traffic management, atmosphere, pro-environment, pipe network monitoring, finance, securities departments and so on. Consider the networking request from different application scope, achieve Virtual data private network in network structure. It is applicable to small and medium data transmitting of the Center to multi-points, multi-points scatter. 

GPRS Multi-slot Class 12

GPRS Mobile Station Class B

GPRS Coding: CS1~CS4

Output Power: Class 4 (2W) at GSM850MHz and GSM900MHz

Class 1 (1W) at DCS1800MHz and PCS1900MHz

Sensitivity: <-107 dBm (typ.) at GSM850 MHz  <-107 dBm (typ.) at GSM900 MHz  <-107 dBm (typ.) at DCS1800MHz <-107 dBm (typ.) at PCS1900MHz

Compatible standard AT command(GSM07.05 and 07.07)

Support extend command

Support SMS,USSD,CSD

Power:     Standby:< 30mA@5V

                  Communicating:< 200mA@5V

                   Peak point current: 1.5A@5V

Working Temperature:          -40°C~80°C

Storage Temperature:           -45°C~125°C

Relative Humidity:     20%~ 95%(No Condensation)