Connects 4 x satellite LNB inputs & 1 UHF TV input to 8 12 satellite receivers Compatible with digital terrestrial TVAdgustable gain control on all inputs High gain integrated amplifier High isolation between inputs Fully screened for reduced RFIEMI interference These aerial amplifier multiswitches with multi inputs are designed to connect up to 4 satellite LNB inputs & 1 UHF TV input to up to 8 satellite receivers. So basically it has four satellite dish inputs one ordinary UHF input & eight or 12 outputs. The multiswitch is something of a specialist tool & is aimed at professional installers & competent amateurs. Available in an 8-way order code A67FK or 12-way order code A68FK