Parameter:GPS Chip: Prolific GPS ModuleFrequency: L1,1575.42MHzC/A Code : 1.023MHz chip rateChannels : 16Antenna(intemal): Buile-in low noise Exteral Antenna Port Active MCX AntennaSensitivityTo 152Bm Tracking,Superior Urban Canyon PerformanceAcquisition RateCold Start: 45sec,average Acceleration<4gWarm Start: 35sec,average motioral Jerk 20m/secHot Start: 5