Quad Bay Outdoor HDTV/DTV/UHF Bowtie Television Antenna Stacked quad bay bay design for increased gain Pre assembled antenna sections for reduced installation time Heavy duty construction with rugged mast clamps and associated hardware Nominal range: 60 ~ 70 miles Frequency range: 460 ~ 862Mhz (covers all digital channels) Maximum gain: 14dB Maximum front/back ratio: 22dB Horizontal beam width: 60 Impedance: 75ohm, female F connector Overall height: 31.50