Main Features
Tariff setting: Supports 15/20 kinds of tariffs.
Supports short messages.
Hand Free
Remote Network Management
Supports data management via wire line
Locking keyboard
Inquire call records
Call records: 40 dialed calls, 20 incoming calls and 10 missed calls can be saved respectively.
Locking telephone, locking SIM card, locking GSM network ID
Automatically call pre-set gateway (optional)
Add pre-set access code automatically (optional)
Optional ring (optional): 10 kinds of fair-sounding ring are optional to the user
Supports prepaid and postpaid mode (optional)
Locking BTS cells (optional)
E-Purse (optional)
Print call records(optional)

Technical Specifications
Environmental Temperature: -10 to +40 Celsius
Relative Humidity: 10% to 95%
Air Pressure: 86Kpa to 106Kpa
Environmental Noise: ??60dB(A)
Working Frequency: Automatically switch between GSM 900 and GSM1800MHz
Frequency Stability: Better than 2.5 PPM
Signal Sensitivity: -103dBM
Transmit Power: <2W
Power supply: AC 220V+/-15V and rechargeable battery back-up

Package: 10PCS/Carton
Inside box
Dimension: 33*21*8 (cm)
G. W.: 1.20kg
External carton
Dimension: 46*38*45 (cm)
G. W.: 13.0kg