Frequency: 430-450MHz, Gain: 2dBi, 430 MHz omnidirectional antenna designed for 430–450 MHz RFID, ISM band. 430 MHz omnidirectional antenna series features an integral N-Female type connector. Mounting is easy with a dual u-bolt mast mounting kit, allows installation on masts up to 2.5″ in diameter. The omni’s are DC grounded for lightning protection. Fiberglass radome for durability, aesthetics and long service life. It is designed for all weather operation.