Basic Functions
1. Supporting GSM 850/900/1800/1900MHz
2. Could make local call, mobile call, national and international calls.
3. Pre-set area code, IP number, Special service number, and any other head number.
4. Privilege setting for international distant and local call-in and call-out.
5. PIN  code protection for SIM card.
6. Supporting SIM lock, network lock and cell ID Lock
7. Indicator for signal, power and in-use function.
8. Supporting reverse Polarity function
9. With bank-up battery storage.
10. USB port to connect PC.
11. Two RJ11 ports can connect two extension at the same time, supporting caller ID.
12. Large LCD display of the operator information, caller ID, signal strength, battery status, time and date.
13. GPRS (optional).
14. Using industrial module

Characteristics
1. Simple operation as normal fixed telephone.
2. Rapid network searching, quick response for dialing, high voice resolution quality and harmless low radiation.
3. Adaptive to wide range of voltage with low power consumption.
4. Convenient installation on the desk or on the wall.