Features: 1) Battery: 6,600mAh 2) Short massage sends and receives 3) Compatible with PC and digital equipment, exchanges data by USB 4) Calling transfer, calling wait, caller ID 5) Position function: exactitude position, showing coordinate, orientation, direction and speed information 6) Color map: downloads city map through CDMA1x 7) Break resistance and waterproof 8) Function: a) PDA function b) CDMA1x function c) GPS function d) GIS electronic map e) 800M digital cluster f) IC card/Bank card reader function g) Automatically recognize fingerprint system h) Camera function i) 350M police-use cluster intercommunication function (compatible with Tetra. GT800. Gota) j) Interphone function, analog 100m - 400m, digital cluster Tetra standard