802.11b or 802.11g products, the channels have a bandwidth of 22 MHz. This allows three
nonoverlapping, noninterfering channels to be used in the same area.
The 2.4-GHz range uses direct sequence spread spectrum (DSSS) modulation. DSSS is dis-
cussed later in this chapter in the section “DSSS.” Data rates of 1 Mbps, 2 Mbps, 5.5 Mbps,
and 11 Mbps are defined for this range.
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