Strong 2-band antenna VHF-UHF antennas with T-bars in a modified format for a smaller footprint and are only 2’ tall. The First Responder covers 155 and 460 MHz with an efficiency of 99.9%. The single feed line comes down the center with a female UHF fitting ready for your coax. The antenna mounts with a supplied plate to masts 1.25” to 2” in diameter. Rated for 300 watts with the supplied feed line / balun. These antennas are perfect for repeaters, as well as home stations and mobile, outperforming many so-called “gain” verticals.