This D shaped ku Band Legacy Circular Dual output LNBF with Dual polarization This LNBF is high gain low noise and shock resistant It works with all circular polarization ku band satellites Great choice for 615 72 7782 91 101 110 119 129 148 signals Fits Dish 300 (need 1 LNBF) and Dish 500 (needs 2 LNBFs) Can also be used with Dish 1000 if you have the correct yoke (needs 3 LNBFs)