Digital Antenna 500 Series VHF - VHF Antenna, 4',4.5dB Gain - White Voted the best 4' VHF antenna by PowerBoat Reports! The shorter length, standard mounting and excellent range makes it ideal for smaller boats, high speed boats and sail boats. Stainless steel ferrule High-gloss urethane finish Powerful brass radiators Soldered connections Ferrite choke bead 15' of our exclusive low loss, UV stable RG-8X marine cable Factory installed mini-UHF connector Mounts 1”-14 threaded base Max Input Power = 250 Watts VSWR = 1.2:1 @ 156.8 Bandwidth VSWR < 2.0:1 = 4 MHz