Shakespeare Galaxy Style 5018 15'2' VHF 9dB Gain Phased 1/2 wave elements in a collinear array with choking sleeve to suppress cable radiation This highly sophisticated design is outstanding for long distance communications. Extra rugged for salt water durability, and stability in high seas. Surprisingly light weight. * Brass and copper elements for maximum range and efficiency * Stainless steel ferrule with standard 1'-14 thread * 20' RG-8/X low-loss cable plus a PL-259 connector * Suggested Mount: Shakespeare Style 409-R or 410-R Mounting Kit (pictured mount not included) * Two sectiions * 5 Year Warranty Technical Specifications: * Frequency: VHF Marine Band * Bandwidth: (within 2.0:1 VSWR) 3 MHz * SWR: 1.5:1 at 156.8 MHz * Max Input (Watts): 150W * DC Ground: NO * Height (Feet): 15'2' * Polarization: Vertical