Wide bandwidth 25MHz to 900MHz! Multi-stacked collinear 1.2M fibreglass, polyolefin covered. 6dBi gain 450MHz to 520MHz with 1M² ground plane, but will also perform well on bull-bars, etc. Suit scanners, UHF, etc. Black. High grade construction with copper and brass. Long-life for base or mobile. Terminated 5/16” for UHF bases. Australian made. Antenna only. Mobile One M476