DIRECTV Ultra HD 4K Digital Reverse Band 3 Satellite LNB (3D2RBLNB). Experience the future of television with the DIRECTV Ultra HD 4K Digital Reverse Band 3 Satellite LNB. This advanced technology allows you to receive the latest in HD, Ultra HD, and 4K programming from satellites 99°, 101°, and 103°. Receives signal from satellites 99°, 101°, and 103°. Carries the latest in HD, Ultra HD and 4K programming. Supports multiple receivers with up to 13 tuner support through a single coax connection. Uses just a single line inside the building (instead of 4 like previous models). For use with DIRECTV Slimline Satellite Dishes. Requires an in-line SWM power supply (inside the building). The DIRECTV Ultra HD 4K Digital Reverse Band 3 Satellite LNB uses reverse band technology to stack 13 tuners onto a single cable using SWM technology. Once inside the building, it can be distributed through special SWM Splitters. Attach it to any DIRECTV Slimline satellite dish to provide 13-tuners to Genie DVRs and SWM-capable legacy equipment. If you’re upgrading an older Slimline satellite dish, simply remove the old LNB, connect this new one, then reboot all your receivers! DIRECTV Ultra HD 4K Digital Reverse Band 3 Satellite LNB. THIS BOX HOLDS (4) LNB’S.