outdoor GPS phone 1.GPS+GSM+ wireless 2.IPwaterproof and dustproof 3.GMS Dual sim,camera,SOS 4.bluetooth.FM,gifts wireless FM ... mobile phone outdoor interphone 1.interphone,GPS,GSM,PTT wireless network2.GSM :850/900/1800 ... Support Bluetooth, FM loud-speaker13.Route tracking for outdoor activities14.GPS+GSM(GPRS)+PTT wireless network15,screen :2.4"16.built-in ...