The GEOSATpro SL4 QUAD Output Standard Linear LNBF is a high stability, high gain, yet low noise figure QUAD output LNBF that allows reception of Ku band signals with the highest possible signal level and quality. Use this to run up to 4 FTA Receivers in 4 rooms on 1 Ku band dish. Fits any standard Ku band satellite dish 30 to 48 inches, with a 40mm universal LNBF mount.