Cisco Cisco Aironet Wireless LAN Client Spécifications Page 72

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Cisco Aironet Wireless LAN Client Adapters Installation and Configuration Guide for Linux
OL-1376-02
Chapter 5 Advanced Configuration
Overview
Table 5-4 RF Network Parameters
Parameter Description
Data Rate Specifies the rate at which you want your client adapter to transmit or
receive packets to or from access points (in infrastructure mode) or
other clients (in ad hoc mode).
We recommend Auto Rate Selection for infrastructure mode; setting a
specific data rate is recommended for ad hoc mode.
Default: Auto Rate Selection
Data Rate Description
Auto Rate Selection Uses the 11-Mbps data rate when possible
but drops to lower rates when necessary.
1 Mbps Only Offers the greatest range but the lowest
throughput.
2 Mbps Only Offers less range but greater throughput
than the 1 Mbps Only option.
5.5 Mbps Only Offers less range but greater throughput
than the 2 Mbps Only option.
11 Mbps Only Offers the greatest throughput but the
lowest range.
Note Your client adapters data rate must be set to Auto Rate
Selection or must match the data rate of the access points (in
infrastructure mode) or the other clients you wish to
communicate with (in ad hoc mode). Otherwise, your client
adapter might not be able to associate to them.
Use Short Radio Headers Selecting this check box sets your client adapter to use short radio
headers. However, the adapter uses short radio headers regardless of
how the access point is configured. Short radio headers improve
throughput performance; long radio headers ensure compatibility with
clients and access points that do not support short radio headers.
Default: Deselected
World Mode Selecting this check box enables the client adapter to assume the legal
transmit power level and channel set of the access point to which it is
associated. This parameter is available only in infrastructure mode and
is designed for users who travel between countries because it allows the
adapter to be used in different regulatory domains.
Default: Deselected
Note When World Mode is enabled, only the transmit power levels
supported by the country of operations regulatory agency are
available.
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