Galaxy 5018 15′ 2 VHF Antenna – 9dB GainThis highly sophisticated design is outstanding for long distance communications. Extra rugged for salt water durability, and stability in high seas. Surprisingly light weight.Features:Phased 1/2 wave elements in a collinear array with choking sleeve to suppress cable radiationBrass and copper elements for maximum range and efficiencyStainless steel ferrule with standard 1″-14 thread20′ RG-8/X low-loss cable plus a PL-259 connectorSuggested Mount: Shakespeare Style 409-R or 410-R Mounting Kit (pictured mount not included)Two sectiions5 Year WarrantyTechnical Specifications:Gain: 9dBFrequency: VHF Marine BandBandwidth: (within 2.0:1 VSWR) 3 MHzSWR: 1.5:1 at 156.8 MHzMax Input (Watts): 150WDC Ground: NOHeight (Feet): 15’2″Polarization: Vertical Specifications:Antenna Band: VHFColor: WhiteConstruction: FiberglassFerrule Type: Stainless SteelLength (Inches): 180″Box Dimensions: 4″H x 4″W x 95″L WT: 5.3 lbsUPC: 719441200091Brochure (pdf)