The 08-ANT-0891 from MPAntenna is a multi-polarized antenna that operates from 400 to 500 MHz. Designed for Remote Monitoring and Two-Way Government/Commercial radio communications, this UHF Base Station antenna offers a light weight, unique tri-element construction and is easily installed with included mast mounting hardware. The 08-ANT-0891 is an omnidirectinal antenna provides a gain of 1 dB and can handle a power of up to 200 watts. The RoHS complaint 8 x 9 inches antenna with N-type female connector, weighs 13 oz. It is available with one year limited warranty.