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188 Chapter 12 Installing the Companion system
P0993298 02
Installing antennas (United States of America)
The following points cover special information about installations in the United States of America.
• The outdoor antenna connectors on the base station are special proprietary BNC connectors.
• Antennas are supplied with cables attached and terminated with special proprietary BNC plugs
to join with the connector on the base station.
• Cables are not supplied with outdoor antennas.
Before You install an outdoor antenna (USA)
Before you install an outdoor antenna, check the following points:
• Locate the antenna on the external wall of the building.
• Keep the outdoor antenna as close as possible to the base station connected to it. The base
station must always be inside the building. The recommended installation height for the
antenna is 13 to 16 ft. above ground.
• Always install a lightning surge protector between an outdoor antenna and a base station.
Refer to Figure 68.
Figure 68 Installed antenna and lightning surge protectors (USA)
Wall
Back to back
proprietary
BNC connectors
Lightning surge arrestor
with mounting bracket
to Base Station or proprietary extension cable
Mounting bracket
Antenna
Antenna
Mounting
bracket
Wall
Back to back
proprietary BNC
connectors
Lightning surge
arrestor with
mounting bracket
to base station or proprietary extension cable