This five-element high gain digital radio aerial has been specifically designed to work in the VHF FM stereo band II 88 - 108MHz, ruggedly constructed with a 75ohm balun it is quick and easy to install. Frequency Range 88 - 108MHz Forward Gain 8 dBd Front To Back Ratio 20 dB Beamwidth +/-27 Degrees Return Loss >15 dB. This aerial is considered the best in its range.