... Car Device -Auto Radar with Nine Bands Frequency Receive: X,K,KU,KA1,KA2,KA3,VG-2,LASER1,LASER2; Key Function:1 ... . Built-in anion generator, can purify air;2. GPS Model: Built-in main chip/ built-in ... .3. Optimize selectivity: city and highway4. Alert type: Voice, Audio5. Auto Mute Function6. Power: Power cordSatellite received frequency 1575.42±1 ...