About This Item Overview DetailsAntenna, Active GPS, 1575MHzFeaturesActive GPS Antenna1575.42MHz +/- 5Mhz28dB Gain (typical)Waterproof DesignLow Loss RG174 cable, 5m lengthDim: 1.7in x 1.4in x 0.5in43mm x 35mm x 14mm Drivers & Downloads Drivers & Downloads