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1. INSTALLATION
1-4
Cabling
• Use coaxial cable type 5D-2V or the equivalent.
• The cable should be kept as short as possible to minimize signal attenuation, and
the maximum length is 50 meters.
• All outdoor-installed connectors on coaxial cables should be fitted with preventive
isolation such as vulcanizing tape to protect against water penetration into the an-
tenna cable.
• Coaxial cables should be installed in separate signal cable channels/tubes and at
least 10 cm away from power supply cables. Crossing of cables should be done at
right angles (90 degrees). The minimum bend radius of the coaxial cable should be
5 times the cable's outer diameter.
Horizontal separation distance
More than 10 m
Vertical separation distance
Other VHF
whip antenna
More than 0.5 m
More than
2.8 m
Whip antenna
for AIS