... -band 900/1,800, 850/1,900MHz or Quad-band 850/900/1,800/1,900MHz Environment temperature: -10 to +40°C ... : ≤60dB Transmit power: 2W Receiving sensitivity: -104dBm Higher gain outdoor antennas available (optional) Input voltage: 100 to 240V AC Output voltage ... with GSM Double/Quad Band 900/1,800, 850/1,900MHz