SIM Card WCDMA Two Way Radio Walkie Talkie Teamup TN-700 PTT Network RadioPlatform :Rchat Yealy Cost :$10/Year Support network system( The rest of the band can be customized) :3G :WCDMA 850/2100MHZ or 900/2100MHz      2G:GSM 850/900/1800/1900MHZ     WIFI   GPS/BigDipper :Support ,for optional features WIFI /Hot Point :Support ,for optional featuresLanuage :Chinese / English /French Dust-proof & waterproof level :IP56Data Traffice for one hour uninterrupted calling :5MByteBluetooth :support Battery Working hours (5-5-90 work cycle ,under 3G model ):16 hours ( with GPS)                 Battery Working hours (5-5-90 work cycle ,under 2G model ):20 hours ( with GPS)                 Battery Working hours (5-5-90 work cycle ,under Wifi model ):32 hours ( with GPS)     
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