1 VHF input / 1 output 2 UHF inputs / 1 output active filtering of analogue and digital channels before amplification 1 VHF and 9 UHF programmable clusters. Easy programming by using one rotary/push button viewed on 2 digits display and LEDs for each cluster and each input. 40 presets of configuration. Accurate equalization of levels using 1dB step attenuators. Switchable 20dB input amplifier to attenuate high input signals selectable DC power pass on each input.