Features:
*Locking onto a specified GSM carrier and service area is programmable
* Support SIM card locking (terminal refuses to take any other SIM card except the one set to be accepted)
* Designed for low power consumption and support Li-ion battery and external DC adapter
* Powerful encryption to ensure high security of data
* Capable to retain operational parameters and data upon power breakdown
* Provided with super password to access engineering mode for senior configuration
* Support downloading parameter setting on the configuration program with a data cable
* Support PC FAX
* Charge with charge meter
* Polarity Reversal signal

Technical Specifications
* GSM Module Dual band GSM 850MHz/900MHz/1800MHz/1900MHz
Signal receiving sensibility Better than-105dBm Better than-105dBm
Power output Max: 33+-2 dBm Min: 5+-5 dBm Max: 30+-2 dBm Min: 0+-5 dBm
* Environmental Temperature -10C to +60C Relative humidity 0%to 95% Noise <= 60 dB(A) Atmospheric pressure 86 to 106KPa
*Electrical Power consumption <= 2 Watt
Operating voltage DC 12 V Li-ion battery capacity 1850 mAH
Battery cycle life 500 to 1, 000 cycles
Quoted talk time > 3 hours
Quoted standby time > 15 hours
* Structural Dimensions 180 mm X 122 mm X 32 mm