... ,Mstar 500MHz, WINCE 6.0,DDR128MB,HD 800*480,FM Transmitter,Free Map,4GB Item specificsGPS type: GPS Navigatoris_customized: YesModel Name ... : DDR128M+FM GPS Information: - Receiver Module: MSR2112 - Frequency: 1.57542GHZ - Signal Channels: 48 - Tracking Sensitivity: -161dBm - Built-in active ceramic antenna ... ,Mstar 500MHz, WINCE 6.0,DDR128MB,HD 800*480,FM Transmitter,Free Map,4GB