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Supported
Supported rates are used for
rates
unicast (normal) traffic. Basic
rates are used for
transmitting multicast /
broadcast data frames and
control/management frames
in the network. If the basic
rates are configured to an
access point, they have to be
configured to the station as
well.
Tx power level Indicates the power level to
be used when transmitting
data
1, 2, 5.5, 11 Mbit/s
radio
Basic
(no selection)
3, 10, 30, 100 mW
radio
(100 mW)
Automatic setting means that all
rates are supported and are
basic rates. When using an
application that requires high
bandwidth, the user may need to
disable lower speeds. However,
longer coverage area and better
compatibility with IEEE 802.11
products can be achieved by
using lower speeds. Required
basic rates are defined by the
access point. All stations within
the range of the access point
shall support all of the basic rates
required by the access point,
hence the name basic rate.
Control and management frames,
which all stations shall be
capable of receiving, are sent
using the basic rates. Multicast
traffic will be sent at the basic
rates. If high-speed multicast
traffic is needed (e.g. streaming),
higher rates (5.5 Mbit/s and 11
Mbit/s) should be defined as
basic rates (both in the access
point and the station).
In high density WLANs
disturbances can be decreased
by using lower power level.
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