The 5 GHz band offers 23 non-overlapping 20 MHz channels, so less than half compared with the 6 GHz band. It was first introduced with the release of the 802.11a in 1999. The 5 GHz WiFi frequency band has been available much longer than the 6 GHz frequency band. Instead, support for the standard was introduced only with the release of the WiFi 6E (802.11ax-2020) standard.īesides 6 GHz WiFi channels, WiFi 6E also supports channels in the 2.4 GHz and 5 GHz frequency bands, making it the most versatile WiFi generation to date. Rather confusingly, the 6 GHz channel isn’t supported by WiFi 6 (802.11ax-2019). These wide and superwide channels can support Gigabit speeds and ensure extremely low latency, making them perfect for 4K and 8K streaming and other demanding applications. The 6 GHz WiFi band is split into 109 channels to support many simultaneously connected devices, and it supports channel bonding for the creation of the following wide and superwide channels: Or maybe entirely new antenna designs will be created for the high-end demands of wireless networking world. Of course there will be custom cases like fine-tuning the channel selection for your router.Įventually, even the 5GHz will fill up, but by the time it happens we should be able to figure higher WiFi channel frequencies out. It is especially applicable to MIMO setups (up to eight in 802.11ac), when it is a better idea to let your router do its own thing. Ideally, as everyone gradually upgrades their hardware and starts using 5GHz band, having to select the proper WiFi channel will become obsolete. In cases like this you may benefit from using the 40, 80, and 160MHz channels. Using the 5GHz band and having decently thick walls as well as the general lacking of 5GHz devices usually means that there is a very little interference in your space. 802.11ax Wi-Fi routers were demonstrated to achieve a top speed of 11 Gbit/s, in part thanks to their ability to avoid interference with neighboring networks.
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