The A55136 from Mobile Mark is a Tri-band P25 Mobile Antenna that operates from 136-174, 380-490, and 698-870 MHz. It delivers a gain of over 3 dBi and can handle 200 W of power. This antenna has an omni-directional pattern and is vertically polarized. It measures 21 inches (53 cm) in length and is ideal for public safety P25 triband mobile radios. The A55136 antenna has a standard NMO mount, thus providing an excellent moisture-resistant seal. It has been built using high-quality corrosion-resistant materials to withstand the harshest outdoor environments.