Revised: January 25, 2017,
Understanding Channel Plans and Bonded Channels
Currently in the US, there are 25 (20 MHz) channels, 12 (40 MHz) channels, and 6 (80 MHz) channels. 802.11ac (Wave-2) supports
160 MHz channels but currently there are only two channels available. This is likely to get better, because the Federal Communications
Commission and other regulatory bodies realize the need for more unlicensed spectrum and are actively working to free up more
spectrum.
Let us take a look at the frequencies available and how the channel bonding would work.
Right now in the US, there are only four 80 MHz channels but this is likely to improve.
Figure 30: Current Channel Allocation Plan - US Theater
Figure 31: Current Channel Allocation Plan - ETSI Theater
Future of spectrum allocation?
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In the US, there are currently 25/12/6/2 channels with bandwidth 20/40/80/160 MHz channels.
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