Is Channel Bonding a new technology for 802.11ay WiFi standard?

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Albert Manfredi

Ayman, I don't think it is the channel bonding that makes 802.11ay different. It is in fact an evolution of 802.11ad. Because you're quite right, that channel bonding feature has been possible ever since 802.11n (and also ever since cellular 3G).

But this new 802.11ay operates way up in the 60 GHz region, as opposed to 2.4 GHz or 5 GHz, it has very wide bandwidth channels, 2.16 GHz as opposed to 20 MHz each in the lower frequency bands. So, way improved bit rates possible, but you're essentially limited to line of sight. So, think of it as the update to 802.11ad, in which up to four of the wide 802.11ad channels can be bonded together. Also, extended range, several hundred meters as opposed to the more typical 100 meters, and MU-MIMO.