E/M~UHF 10.2db Yagi/7e 450-470 MHz7.9 dB N Female Fully Welded Aluminum Construction UV and Environmentally Resistant Black Poly Coat Finish Boom: 3/4" 6063 Aluminum Radiators: 3/8" 6061 Aluminum, Solid Rod V or H Polarization Mountable Integrated Low Loss Feeder Cable Includes Hardware for 1-1/2 in. Offset Pipe Mast Mounting. DC Grounded for Static Dissipation and enhanced Lightning Protection. 150 Watts.18.1 x 1.6 in.