The Moonraker Marine-100 is a lightweight, fully weatherproof and waterproof VHF marine antenna designed to clamp directly to an existing mast of 30–40mm diameter — mast clamps included. Covering 156–163 MHz with a gain of 4.0 dBi and 100W power handling, it delivers reliable omnidirectional VHF marine band performance in a compact 122cm, 500g package. With an SWR of 1:1.5 and SO-239 connection, it's a practical, no-fuss marine VHF antenna for smaller vessels, RIBs, and canal boats where a shorter antenna profile is preferred. Key Features 100W power handling Gain: 4.0 dBi Frequency: 156–163 MHz (VHF Marine Band) SWR: 1:1.5 Fully weatherproof & waterproof construction Mast clamp mount — fits existing masts of 30–40mm diameter Mast clamps included SO-239 (UHF-Female) connector Compact: 122cm length | 500g weight Ideal for smaller vessels, RIBs & canal boats Technical Specifications Type: VHF marine antenna Frequency: 156–163 MHz Gain: 4.0 dBi Max power: 100W Impedance: 50Ω SWR: 1:1.5 Connector: SO-239 (UHF-Female) Length: 122cm Weight: 500g Mast diameter: 30–40mm Includes: Mast clamps