... Spanish, Arabic, ItalianTechnical SpecificationsGSM double-band 900/1800 MHz or Quad-band 850/900/1800/1900MHzAtmospheric pressure: 86kPa106kPaRelative Humidity: 10 ... .OEM / ODMOur product ranges are also covering:wireless PBX,IP-PBX,air-charging system,school-family intelligent ... network,billing meter,fixed wireless terminal seriessms printer, air voucher device etc. ...