Telewave ANT450D is a single exposed dipole antenna that operates in the 406 - 512 MHz frequency range. This unity gain UHF 1/2 wave dipole antenna has a power input of 500 watts. The antenna is terminated with an N male connector on the harness feed. The ANT450D mounts to a 1.5 to 2.5 inch galvanized steel support pipe or tower leg. Mast is not included.This omnidirectional antenna is ideal for many applications such as trucking, business, public safety, government, and amateur radio because of the wide bandwidth and high efficiency this antenna produces. Each antenna is sealed with Txylan coating to provide protection from corrosive gases, UV radiation, salt spray, acid rain, wind blown abrasives and ice buildup.