Shakespeare SeaWatch 2030-G Marine TV antenna. Ø 53cm. Designed for maximum omnidirectional performance in the marine environment. This system includes the antenna with built-in preamp, DC switchable power supply, 9 meters of ultra low loss RG-59 coax cable, and gold-plated, screw-on F-type connectors. Digital TV ready. 

Frequency Range : 50-890 mHz
Gain (average) : 20 dB
Reception Pattern : Omnidirectional
Noise Figures (VHF/UHF) : 3.2/5.6 dB
Impedance: 75 Ohm
Connector Type : F
Power Consumption (at 12V) : 83 mA
Power Supply : 12/24V DC
Antenna Mounting Bracket : 1"
Weight : 5 kg
Dimensions (Øxh) : 533x44 mm