GPS Digital Mobile Radio CDM-550H from Kydera UHFProduct information: Type: Car use Channels: 512 Zones: 16 Frequency Range: 400-480MHz Usage: wireless communication Vocoder: AMBE+2 Dimension: 140*175*46mm Talk Range: 15-40km Optional Function: GPS & GPS message Place of origin: Fujian,Website:http://www.kydera-dmr.com, China Features:Private CallGroup CallSignalingDigital ID codeCall logContactsGPS (optional)SMSRemote KillRemote ReviveStatus informationCTCSSDCSScramblerCompandorANIScanEmergency alarmPayment Methods: We only accept T/T and Western Union. Sorry that we don’t have Paypal. Order will be prepared once payment is confirmed. Shipping: We will choose the best shipping way based on the address you offer, the quantity and timing requirements.