FM-4850 Operator’s Manual
15.3 Wiring
15.3.1 Overview
15.3.2 VHF Antenna
Requirements for the antenna
Any good quality antenna that meets the requirements shown below can be used.
Frequency range: 155 to 164 MHz
Impedance: 50 ohms
Polarization: Vertical
Handling power: 30 W or more
Quality: Withstand the marine environment
Installation location
The location and installation of different antennas on a ship is important to ensure
effective communications. Incorrectly installed antennas will degrade performance
of the radio equipment and reduce the range of communications.
Select the location for the antenna considering the following points.