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Optional Antennas
Range Extender Antenna
Use the Range Extender Antenna (Figure 1-10) to ensure optimal transmission and
reception quality for situations where the integrated antennas are shielded, such as:
• The wireless device, such as a desktop client, is close to metal surfaces.
• The wireless device is installed in a hidden location, such as in a cabinet.
• Objects shield the wireless device.
• Using the RoamAbout R2 Mezzanine slot upgrade option, where two 802.11b PC
Cards are installed in the RoamAbout R2 Wireless Access Platform. One of the PC
Cards must be connected to the Range Extender Antenna to prevent radio interference
between the two cards. In this case, the antenna must be placed at least two feet away
from the RoamAbout R2.
The Range Extender antenna has a mounting bracket and a base for vertical positioning that
allows you to place the antenna on top of a table or cabinet, or attach it to the wall or ceiling.
To connect an antenna to the PC Card, insert the connector into the socket on the extended
side of the PC card. To protect the socket from dust, it is shielded with a cap.
Figure 1-10: Range Extender Antenna
CAUTION: To avoid damage, do not place the Range Extender Antenna on
top of, or close to a monitor. Many computer monitors have a degauss
option. An electromagnetic discharge that may occur when degaussing the
monitor may damage the antenna.
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