outdoor GPS phone 1.GPS+GSM+ wireless 2.IPwaterproof and dustproof 3.GMS Dual sim,camera,SOS ... .FM,gifts outdoor GPS phone interphone1.interphone,GPS,GSM,PTT wireless network2.GSM :850/900/1800/1900 MHZ Quad-band fits ... -speaker13.Route tracking for outdoor activities14.GPS+GSM(GPRS)+PTT wireless network15,screen :2.4"16.built-in GSM modeule17.external ...