UHF HDTV Antenna AN074HD The AN074HD antenna is an outdoor device that, despite its small size, achieves performance equal to that of large rooftop antennas. The build quality allows the AN074HD antenna to withstand the elements. Simple to assemble. Technical features Material: Aluminum alloy Dimensions: 44 x 18 x 21 cm Gain: 12 dB Operating frequency: 470-862MHz Impedance: 75Ω SWR (Standing wave ratio): ≤ 1.5 Support: MYTV / DVB-T2 / HDTV Support: 1080p HD