Solid Signal Xtreme Signal HDB2X High Definition Indoor/Outdoor 2-Bay VHF/UHF Antenna Receives UHF digital broadcasts at 35+ miles High-gain blade style elements pull in maximum signal Holds up better in weather versus traditional bow-tie elements Mounts on masts up to 2" in outer diameter Maximum gain: 7.7dBFront to back ratio greater than 22dB to isolate digital channels and reject interference Beam Width approximately 60 degrees wide Built in transformer for direct 75 ohm (coaxial) connection that is more weather proof than the old style "pigtail" transformer Great for neighborhoods with HOA (Home Owner Associations) 6 Month limited warranty Dimensions: W=20" x L=4" x H=16.5"