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Cisco Aironet 802.11a/b/g Wireless LAN Client Adapters (CB21AG and PI21AG) Installation and Configuration Guide
OL-4211-07
Chapter 3 Installing the Client Adapter
Inserting a Client Adapter
Figure 3-4 Inserting the Antenna into Its Base
Step 3 Press the antenna cable into the receptacle on the top of the base as shown in Figure 3-4.
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:
• 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.
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Antenna
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Notch
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Antenna base