Invacom Quad QPH-031 KU LNB 2 Linear& Polar Outputs This is the ultimate in FTA and works with DSS too. (and at the same time) The best part - fully switched output for simultaneous reception between linear and circular polarization Best LNB/F on the market with a 0.3 dB noise level, best for the "fringe areas" 40 mm throat size fits all common dishes