Multi SIM GSM Fixed Terminal / Gateway

Main Features1.Supply 4 phone lines in GSM Wireless mode guaranteed by industrial-level GSM module2.SIM card locking to the terminal/to the network or interlocking between SIM card and the terminal3.Caller ID available4.Reverse Polarity charging signal supporting5.LED Indicators for power, network in-use, etc.6.Hot numbers, speed dial numbers and barring numbers programmable7.Transmitting/receiving volume adjustable8.IP headers programmable9.Durable and compact design for 1U 19" rack mount10.Echo cancellation/ noise reduction; call quality as landline phones11.12AH back-up battery as optional summaryTechnical specificationGSM Frequency: 900/1800MHz or 850/1900MHzCDMA Frequency: 450 or 800 or 1900MHzCarrier spacing: 200KHz Maximum FrequencyDeviation: +/- 0.1 ppmReceiving Sensitivity: -105 dBm Phase Error: <5RMSSIM Card: MIni-SIM Card compatibleAntenna Connector: SMA type femaleShell Material: 1mm electrolyzed boardRJ11 Telephone InterfaceDialing Tone Frequency: 468HzRing Current Frequency: 25HzRing Current Voltage: 75VFeeding Voltage: -48VAntenna: Frequency Bandwidth: 45MHzVoltage Standing Wave Ratio: <1.5Gain: 3~7dB or higher Gain Antenna availablePolarization Mode: Vertical PolarizationPower Suuply: AC220VDC voltage: 12V/DCCurrent Rating: 3A