U-120R UHF Antenna (150-2162) Specifications Faxback Doc. # 15076 UHF Band Chan. Average gain:....................................... 13.7 dB Median AV. F/B Ratio:..............................................UHF 20+ Average Half-Power Beam Width tested at UHF At ch. 30 (566Mhz):...............................33 degrees (/all-04/28/95)