Just installed, not fully, an Antiference 7x20 (that is 7 inputs, 4 sat, 1 UHF, 1 DAB and 1 FM) i will only use the four sat with a quattro and the one UHF, there are other antiference switches which only have the 5 inputs that i required but only provided, i think, 16 outputs, and i need 20...