For use with DIRECTV elliptical dish dual or triple satellite systems. Can be used with S-5040Y-CE to extend to 8 receivers. 11 11 II JL Model Number S-4180-GX+ Frequency Range Satellite Off-air 950 - 2200 MHz 54 - 806 MHz Satellite Insertion Loss / Gain -2 to +5 dB Same Sat. Cross-Pol. Isolation 30 dB Diff. Sat. Cross-Pol Isolation 35 dB Selection Control Voltage 18V (101 LHCP) 13V (101 RHCP) 18V 22kHz (119 LHCP + 110 13V 22kHz (119 RHCP) 16.75 - 21VDC 11.75 - 14VDC 16.75 - 21VDC, w 22