Engineered for superior marine performance, this Tram® 16763 39-in. stainless steel whip antenna delivers 3 dBd gain and full coverage of AIS (Automatic Identification System) and all marine band frequencies. Designed as a 1/2 wave antenna with wideband VHF capability from 156–162.2 MHz, it maintains an excellent VSWR of less than 1.3:1 for efficient transmission and minimal signal loss. Built to handle demanding conditions, the antenna features a high power rating of up to 150 watts and a durable stainless steel whip for long-lasting strength and corrosion resistance in harsh marine environments. Installation is both versatile and convenient. The 23-ft. RG58 low-loss cable includes an FME-Female connector for routing through small mounting holes, along with a UHF male PL-259 adapter for easy connection. A standard 1 in.-24 threaded base ensures compatibility with common marine mounts, and the included nylon ratchet mount allows for quick and easy lay-down when clearing bridges or storing your vessel. Reliable, high-powered, and easy to install, this antenna is an ideal solution for boaters who require dependable AIS and VHF communication performance.