USER MANUAL
MTU AIS-C
Page 17
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4.7.
INSTALLING THE VHF RADIO ANTENNA
The correct installation of the VHF antenna is essential for the correct performance
and reliability of the AIS Transponder.
The VHF radio antenna must have the following minimum specifications:
•
Center frequency 162MHz
•
VSWR < 2.0
•
Impedance 50 Ohms
•
Minimum power 12.5 Watts
•
Gain 1dBi to 6dBi
4.8.
INSTALLING AND CONNECTING A GPS ANTENNA
If the installation requires the use of an active GPS antenna, an antenna with the following
minimum characteristics must be used:
•
1575.42MHz center frequency for GPS.
•
Active gain antenna at least 20 dB
•
Power supply 3.3V
•
Impedance 50 Ohms
IMPORTANT: The GPS antenna and its coaxial cable must be isolated from the support
structure and VHF radio connection
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