Compatible With Cobra,Icom, uniden, Standard Horizon, HYS, Retevis Marine Floating VHF Radio and Marine Fixed Mount Radio; For Icom, Kenwood, Motorola, Yaesu/Vertex Standard, Uniden, Wilson, Marantz Handheld or Fixed Mount VHF ham RADIO. Pretuned for all marine band frequencies, increases reception and range of radio; widely used in boat and offshore, motor boat, cruiser, sailboat, yacht, Truck, RV, Cruise Ship,Kayaking,etc. 180 degrees adjustable Nylon ratchet mount, sturdy and durable, easy to Install and operate. Anti-Corrosion Materials, fiberglass construction, smooth and high gloss finish, long-life use. [MECHANICAL SPECIFICATIONS] Height: 110±5 CM/44inch; Termination: PL259; Cable Length/Type: 7m Low loss RG-58U coaxial cable(white); Weight: 375g. [ELECTRICAL SPECIFICATIONS] Frequency: 156-163MHz; Impedance: 50 Ohm; VSWR: Nominally 1.5:1 at 159.5MHz; Gain: 3dBi; Maximum Power Input-watts: 50W;.Maximum Range: 7 Meters. Impedance: 50 Ohm. Color: White. Brand: UAYESOK. Antenna: Marine antenna. Date First Available: July 15, 2021. Best Sellers Rank: #6 in Marine Antennas. Customer Reviews: 4.6 out of 5 stars 63 ratings 4.6 out of 5 stars. Item model number: F02ABS. Country of Origin: China. : B099K7CJFG. Manufacturer: Quanzhou Hai Mao Wei Communication Co., Limited. Item Weight: 1.95 pounds. Package Dimensions: 44 x 4.1 x 3.2 inches.