Tx rate, Preamble, Auto – Abocom WP2000 User Manual
Page 14: Long preamble, Short preamble, Radio

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Item
Description
share the same radio channel in order to
function properly.
Channel button is
enabled only in
Peer-to-Peer
mode.
(There are 14 channels available,
depending on the country.)
Tx Rate
Select (1, 2, 5.5, or 11Mbps or Auto)
from the pull-down list to change the
current transfer rate.
Preamble
A preamble is a signal used in wireless
environment to synchronize the
transmitting timing including
Synchronization and Start frame
delimiter. (Note: If you want to change
the Preamble type into Long or Short,
please check the setting of AP. Some
Access Points do not support Auto
Preamble.)
~ Auto
Select Auto for the Network adapter to
select the Preamble type automatically
depending on the Access Point Preamble
type.
~ Long
Preamble
In a "noisy" network environment, the
Preamble Type should be set to Long
Preamble.
~ Short
Preamble
The Short Preamble is intended for
applications where minimum overhead
and maximum performance is desired. In
a "noisy" network environment, the
performance will be decreased, if Short
Preamble is used.
Radio
Select On/Off from the pull-down list to
enable/disable the Radio Module
function of the Wireless Network
Adapter.