... : GSM double-band 900/1,800, 850/1,900MHz or Quad-band 850/900/1,800/1,900MHz Environment temperature: -10 to +40°C Atmospheric ... pressure: 86 to 106MPa Relative humidity: 10 to 95% Environment ... measurement: 470 x 465 x 235mm Packing: 10-piece/carton public Payphone with GSM Double/Quad Band 900/1,800, 850/1,900MHz