Features: ● Providing 900 and 1800 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 Specifications: ● Air interface standard: GSM 900/1800 MHz Phase 2+ ● Frequency ranges: ○ GSM900: ● Transmit: 890~915MHz; ● Receive: 935~960MHz ○ GSM1800: ● Transmit: 1710~1785MHz; ● Receive: 1805~1880MHz ● Channel space: 200KHz ● Sensitivity: -104dB ● Peak power consumption: 2W ● Operating environment requirements: ○ Temperature: 0°C - +40°C ○ Relative humidity: 45% - 90% ● Connectors: SMA antenna connector (TNC optional) ● Atmospheric pressure: 86~106Pka ● Power consumption: static≤25 mA, emission≤500 mA ● Antenna: Gain: 3.5dB (all directional) 12 dB(Certain/selection) ● Power supply: ○ AC220V±10% 47-54Hz AC110V/60Hz(optional) ○ DC12V (optional) Packing: ○ Product dimension: L192x W138 x H40mm ○ Gift box dimension: L265x W170x H64mm ○ Carton dimension: L355x W273 x H360mm 10pcs/carton ○ N.W: 0.4kg G.W: 7.8kg