An External Distribution Amplifier (XDA) unit from Vision. Distributes radio and television signals to 4 rooms of a household. Remote control of BSkyB Digibox through Visionlink™ Sky eye (available separately). Signal Gain of 2-4dB (VHF) & 6dB (UHF) overcomes normal household cable and component losses providing good signal levels to each outlet. One input connection suitable for digital and analogue TV and radio signals and the RF output from a Sky Digibox.