? 48 tall ;? No tuning ;? Wideband ;? 18MHz bandwidth ;? Low SWR ;? 4.1dBd gain ;? 6/8 wave with C-load ;? 160W;? Premium-quality, black chrome-plated heavy-duty solid brass NMO base;? Black, chrome-plated stainless steel whip;? Gold plunger-type contact pin;? NMO mounting ;? Mount sold separately;? SWR