WIND SCREEN MOUNT AERIAL AMPLIFIED 12 volt This Aerial is ideal if you need to replace your broken or stolen aerial and also getting fed up with vandals snapping your mast just for the sake of it.No need to drill any holes on your bodywork. It can be fitted inside on the front screen with the self-adhesive strips provided. The cables to connect are as follows. Aerial socket to the rear of the radio.12v supply lead to the remote turn on (Electric aerial feed) that is to turn on the amplified booster. Small ring terminal anywhere on the chassis ground earth cable.FM / LW / MW Cable length 86 inch Unit length 11 inch On some applications you may need to extend the cables.