GPRS DTU is sutiable for remote monitoring and maintenance of communication room and unattended stations, such as mobile network, base station, microwave station, repeater and fiber optical relay station.

Support dual band EGSM900/GSM1800
Transparent data transmission, always online and operation mode selection
Support the virtual private data network
Support data service center dynamic IP address and domain name
Support 15 pin data interface
Support remote configuration and maintenance
Support near configuration and maintenance
Support data interface application update
LED displays work status
Optimizing electromagnetism compatible design, adaptation to formidable electromagnetism environment and high-level application need
Support standard RS-232 data interface
Support GSM class 4 transceiverthe maximum is 2W
Short Massage Server(SMS), support PDU and Block mode, conformity with GSM07.05 standard
Conformity with GPRS CLASS 10 standard, up 13.4Kbits/S, down 53.6Kbits/S
AT command set, conformity with GSM07.07, GSM07.05 and V25
Hardware
Dimensions: 97mm x 54mm x 25mm
Weight: 138g
Interface
Power (AC)input2 pin
Signal interfaceRS232
Antenna: SMA (Female)
SIM socket: Drawer-structured, 8 pin

Temperature and power
Work temperature: -20° C to +75° C
Voltage: +6 to 30V DC
Current: Stand by 5mA
Average in use 350mA
Safe circuit
Embedded current surge and over-loading prevention
Embedded EMC control circuit, keep external environment from disturbance
SIM card detection
Working indication
After switching on power, indicator light is always on, AC2161 start to work.
Indicator light flashing---network has been found.
Indicator light quick flashing---transparent data is being transmitting.
Short message remote control
Hardware watch dog automatically reset
Picture