2030-G 21 Inch Diameter SeaWatch Omni-Directional Marine TV Antenna System
... Designed for maximum omni directional
performance in the marine environment, this system includes the antenna
with amplifier, AC/DC switchable power supply, 30' of ultra low loss RG-59 coax ... -in 1"-14 thread ferrule. Diameter: 21 inches.
Mounting bracket is not included
system is Digital Ready