b () brought Wi-Fi to consumers at Mbps on GHz. a launched the same year with Mbps on GHz but cost more. g () combined the best of both: Mbps on the popular GHz band. These standards are obsolete now, but you may encounter legacy devices that only support them. Keeping legacy support enabled slows your entire network because the access point must accommodate slower transmission rates.
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$ curl repovive.com/roadmaps/network-design/wireless-networking/legacy-standards-a-b-and-g
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