Features:
Providing 850/900/1800/1900 GSM connectivity
Simple to install/easy to maintain
Allow PIN code entering and reciprocal phone-card lock
Provide optimized circuit directly connecting the exchange device
for extensions
LCD with back screen
Polarity reversal signal for metering
3.5dBi gain antenna
Compatible to PABX
Suitable for call termination of ISP
Incoming call reminder, time display

Air interface standard: GSM 850/900/1800/1900 MHz Phase 2+
Channel space: 200KHz
Sensitivity: -104dB
Peak power consumption: 2W
Operating environment requirements:
Temperature: 0 - +40
Relative humidity: 45% - 90%
Connectors: SMA antenna connector (TNC optional)
Atmospheric pressure: 86~106Pka
Power consumption: statica