Beltronics Pro 500 Radar detector with GPS X-band: 10.525 GHz  25 MHz / K-band: 24.150 GHz  100 MHz / Ka-band: 34.700 GHz  1300 MHz Laser: 904nm, 33MHz bandwidth SiRFstar III GPS Receiver Power Requirement: 12VDC, Negative Ground Sensitivity Control: Highway / AutoScan / Auto NoX