Wi-Fi, a wireless local area network (WLAN) technology that enables digital devices within a certain area to communicate via radio waves, is so often and universally used today that it’s hard to remember a time when it didn’t exist. But in reality, that wasn’t so long ago.

Wi-Fi first came onto the market in 1997 when the pioneering IEEE 802.11 technical standard was published, enabling wireless data transmission at up to 2 Mbit/s using an unlicensed 2.4 GHz radio spectrum. Its major commercial breakthrough came in 1999 when Apple introduced the first mass-marketed consumer products with Wi-Fi connectivity, its AirPort wireless base station, and iBook. Thanks to the then-new IEEE 802.11b™ amendment to the original Wi-Fi standard, theoretical data rates up to 11 Mbit/s became possible.

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