Delphi SA10043 Wireless FM Modulator and Power Adapter for XM Roady Receiver (Discontinued by Manufacturer) The wireless FM modulator will allow any vehicle to use the XM Roady satellite-radio receiver by tuning to specific FM radio frequencies Perfect for car stereos without cassette players Select from 8 FM frequencies Provides 12V DC power to the XM Roady receiver Fast, easy set-up