Delphi XM Signal Repeater Rebroadcasts to one or more repeater antennas which connect to your home kit or audio systems Works with all XM Radio receivers, will not work with sirius receivers This repeater package includes a wireless transmitter, receiver unit and a power adapter SA10116 transmits XM satellite signal up to 75 feet 2 3/4" W x 4" H x 1 3/4" D