Mounting The Antenna - Cisco CB21AG Installation And Configuration Manual

Chapter 3 Installing the Client Adapter
Step 3 Press the antenna cable into the receptacle on the top of the base as shown in
Step 4 Press the antenna straight down into the receptacle until it clicks into place.

Mounting the Antenna

Because the PCI card is a radio device, it is susceptible to RF obstructions and common sources of
interference that can reduce throughput and range. Follow these guidelines to ensure the best possible
performance:
•
•
Follow the steps below to position the PCI card's antenna on a flat horizontal surface or to mount it to a
wall.
Perform one of the following:
Step 1
•
•
Drill two holes in the wall that are 1.09 in. (2.8 cm) apart.
Step 2
mounting holes on the bottom of the antenna base.
Figure 3-14 Bottom of Antenna Base
Cisco Aironet 802.11a/b/g Wireless LAN Client Adapters (CB21AG and PI21AG) Installation and Configuration Guide
OL-4211-02
Place the PCI card's antenna in an area where large steel structures such as shelving units,
bookcases, and filing cabinets will not obstruct radio signals being transmitted or received.
Place the antenna away from microwave ovens and 2.4- and 5.8-GHz cordless phones. These
products can cause signal interference because they operate in the same frequency range as the PCI
card.
If you want to use the antenna on a flat horizontal surface, position the antenna so it is pointing
straight up. Then go to Step
If you want to mount the antenna to a wall, go to
1.09 inches
7.
Step
Figure 3-14
Inserting a Client Adapter
Figure 3-13.
2.
shows the distance between the
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