The quad satellite LNB combines four full-range LNBs into one housing. This provides four independent outputs that can be used in various configurations, such as: Four independent tuners with a single receiver Two tuners with a single receiver and one with a dual receiver, e.g., a PVR Two tuners with a dual receiver, e.g., a PVR The LQP-04H Quad LNB is a premium device with a very low noise figure of 0.1 dB. It easily handles HD signal reception. The LNB mounts to a satellite dish using a standard 40 mm mount.