... BT/AVIN/FM GPS,GPS navigation,Car GPS,GPS navigation system,GPS systemNV-6031) Super slim2) Display: 5.0 ... O/S: newest Microsoft Windows CE. Net 6.0 Core system platform4) GPS: newest SiRF 3i+ chip, 20 channels, ... external moving radar, automatic detect and report driving wave information(optional)10) Built in 128MB Flash, 64MB DDR RAM11 ... . GPS,GPS navigation,Car GPS,GPS navigation system,GPS system