4 channel gsm gateway,with 4 RJ11 ports

• Providing 900Mhz and 1800Mhz GSM connectivity. 850mhz/1900mhz optional
• IMEI changed(optional)
• 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
• Polarity reversal signal for metering
• 3.5dBi gain antenna
• Compatible to PABX,VOIP gateway, IP PBX, Call back system, cord phone, Voice system, and etc.
• Suitable for call termination of ISP
• Dialing tone
• DTMF Dialing
• Caller ID, with DTMF and FSK.

• Hide calling out number.
• provide accuracy polar inverse or 12k/16k hz signal for payphone
• Working state indicator

• Signal Strength indicator

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: 16W

• Phone interfacesupply RJ-11 Phone Interface Hanging voltage: 48V. Dialing tone Frequency450Hz

Operating environment requirements:

• Temperature: 0°C - +40°C
• Relative humidity: 45% - 90%

• Connectors: SMA antenna connector
• Atmospheric pressure: 86~106Pka
• Power consumption: static≤ 200 mA, emission≤ 4000 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: L 440x W260 x H48 mm (1U)
• Carton dimension: L 495x W325 x H110 mm 1pcs/carton
• G.W: 3.2Kg