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SIGNAL / ANTENNA
Can I use any kind of cable in combination with my Inmarsat Active/Passive Antenna?
Only cable kits supplied by Beam will operate correctly with the Inmarsat antennas. Each cable kit
has been made to meet the specific specifications of the antenna and Inmarsat network. The cable
kit not only provides Satellite connectivity but also GPS which is required for the Inmarsat service
to function correctly. In the case of Active Antennas, then the cable kit also provides power to the
antenna as well. You must use Passive cable kits with the ISD700 and Active cable kits with the
ISD710/715 and 720. Failure to use the correct Beam cables can damage the antenna, stop the
service from performing properly and void your warranties.
What is the maximum length of antenna cable I can use with my Passive Inmarsat Antenna?
Antenna cables for the Passive Inmarsat Antenna start at a length of 10 meters and go up to 50
meters. If you need to go longer, you may be better off looking at using an Active antenna to get
access to the longer cable kits.
I am using the Beam recommended antenna cable with an Active antenna, yet I don't get a
proper connection, what can I do?
Make sure that the cable is correctly connected to both the antenna and the unit. Also, please
check whether there are no kinks in the cable. See the cable kit specifications to ensure the
maximum bend radius has not been exceeded anywhere. Also check the cable kit has not be altered
in anyway, the cable kits CANNOT be shortened.
Check that the antenna is positioned properly, has a clear view of the horizon and there are no
other obstacles or RF interference. Also check the Inmarsat coverage map to ensure coverage is
available at your location.
Beeping sound coming from Docking Station
The beeping noise usually indicates a short on the antenna cables which can be
caused by a cut or break in the antenna cable or caused by metal debris inside
a connector. Please disconnect the antenna cables from point where
they (gps and Inmarsat) connect to the docking station. When completed, please
power cycle the unit and see if the noise continues.
If it stops, please inspect the antenna connectors and ensure they are clear
and that there are no cuts or sharp bends on the cables. Also check the
connectors as they screw into the antenna and ensure both connector ends are
clear and free of anything that may cause a short from the central pin to the
connectors metal casing.
Does RF Interference affect the satellite signal?
All wireless devices, including satellite telephones, are susceptible to RF (Radio Frequency)
interference from other electronic devices. This problem is especially evident when numerous
antennas and broadcasting devices are located within close proximity to each other.
A good example would be onboard a ship. It is important that certain considerations be taken
into account for best performance when an Iridium system is installed.
