TE Connectivity’s Hirschmann RAD 015-108 RD S AM/FM (LW/MW/SW/BandII) Antenna features an amplifier embedded into the antenna base. The power supply for the amplifier features a twin function cable (phantom feed) with an optional separate +12V wire. TE Connectivity / Hirschmann RAD 015-108 RD S AM/FM (LW/MW/SW/BandII) Antenna is a screw mount, road vehicle roof mount antenna.