Seachoice quality marine products is dedicated to service and quality at an affordable price Internal brass tube radiator provides optimal signal performance Includes: 15ft dual-shield ultra-flexible L-195 low loss coaxial cable, ferrule, smooth white fiberglass radome and ProConnect (factory installed FME connector with a PL-259 adapter that eliminates large holes and crimping of connectors). Omnidirectional. Vertical Signal Polarization DC Grounded. AIS band capable. Made in the USA. Height: 8' Constructed of high quality fiberglass. Gain: 6 dB performance Frequency Range: 156-162 MHz Ferrule: Standard 1" - 14 thread Bandwidth: 6MHz Impedance: 50 ohms Max Power: 75 Watts SWR: 1.4:1 AVG Fits all antenna bases.