Channel bonding is a feature introduced in 802.11n and enhanced in 802.11ac that allows the combination of two adjacent channels to double the channel width, thereby increasing throughput. However, 1x1:1 client devices, which have a single transmit and receive antenna and support only one spatial stream, often lack the capability to utilize channel bonding effectively. These low-end devices are limited in their hardware and cannot take full advantage of the increased bandwidth that channel bonding offers.
[Reference: CWDP-305 Official Study and Reference Guide, Chapter on Infrastructure Design, , , ]
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