HAMKING MK-90 Dual band antenna VHF / UHF 144/430 Mhz. The MK-90 is a two-band antenna of robust construction, equipped with a fast folding rod system. Gain of 3 dBi (1/2 wave) in 144 Mhz. and 5.5 dBi (5/8 wave) at 430 Mhz. Maximum power: 350 watts a more Manufacturer: hamking Reference HKMK90