Including GSM 900MHz, 900/1,800MHz and 1,900MHz FWT

Features: 1) Simple to install and easy to maintain2) Steady module and reliable design ensures good performance 3) Provides optimized circuit directly connecting the exchange device for extensions
4) Compatible to most telephones, PBX and VoIP gateways (for call termination)5) Strong signals with high gain antenna 6) Attractive plastic casing7) SIM card supported (3V, 5V)8) Caller ID display9) Provides reversal polarity signal for metering10) No noise and clear voice 11) Suitable for wide voltage range and low power consumption 12) Suitable for all kinds of weather and environment 13) RJ-11 ports (two extensions: line / phone and line (optional)) 14) Locking PIN / network (optional)Specifications: 1) Air interface standard: GSM 900 / 1,800MHz phase 2+2) Frequency ranges: a) GSM 900: i) Transmission: 890 ~ 915MHz ii) Reception: 935 ~ 960MHz b) GSM 1800: i) Transmission: 1,710 ~ 1,785MHz ii) Reception: 1,805 ~ 1,880MHz3) Channel space: 200kHz 4) User line, bell signal: in line with GB/T15279 5) Max power: 0.25W / 0.5W 6) Consumption: a) Immobility: ≤25mA b) Transmission: ≤400mA 7) Sensitivity: -105dB 8) Dial tone frequency: 450MHz (standard)9) Surrounding temperature: -10°C ~ +40°C 10) Relative humidity: 45% ~ 90% (without frost) 11) Atmosphere pressure: 86 ~ 106KPa 12) Environment noise: <60dB13) Antenna amplifying: 3.5dB (omni directional), 12dB (certain direction / chosen direction)14) AC power: DC 10V - 20V15) Input: AC100 - 230V, 50 / 60Hz16) Output: 12V 1A17) Switching type / transformer type AC adapter (optional)18) Connector of power: China 19) Dimensions (L x W x H) (average): 185 x 135 x 22mm20) Weight: a) FWT: 400g b) Full set with AC adapter, antenna and box: 650g21) Colors: white / blue (optional) 22) Connection mode: RJ-11 phone sockets23) Antenna connection: SMA antenna connection