... 575GHzChannel number20channelsTracking sense degree-159dbmPosition accuracy10m, 2D RMS, WAAS enableVelocity0.1m/sData renewal rate1HzRe-catching timeaverage 0. ... , Dutch, French, German, Italian, Portuguese, Spanish, Russian------------------------------------------------------------------------------------------------GPS Features:Map supported: Route66,TOMTOM, IGO8,DESTINATOR etc.Operation system ...