GSM dialer

) Supports both GSM networks.
2) Simple to install and easy to maintain
3) Allow PIN code entering and reciprocal phone-card lock
4) Moblile phone board item and Industrial module item are optional
5) Polarity reversal signal for metering
6) 3.5dBi gain antenna
7) Compatible to PABX
8) Support Caller ID and Hands free
9) Outside antenna 
10) Incoming numbers and dialing numbers block enable
11)Cost rate setting enable
12)Time,date,signal intensity display enable
13)LED Indicators for signal and power status
14)Bule and green background LCD dispaly are selectable
Specifications:
1) Networks support:   GSM850/900/1800/1900MHz
2) Operation Temperature:-10--+45
3) Power supply: DC12V
4) Sensitivity: -104dB
5) Stand by hours: 48 Hours
6) Talk time: 2-6 Hours
7) Charging time: 6 hours
8)Peak power consumption: 2W
9)Connectors: SMA antenna connector (TNC optional)
10) Atmospheric pressure: 86~106Pka
11) Power consumption: static