Introduced in 1999, the 2.4 GHz Wi-Fi — or IEEE standard 802.11b — has been the go-to for home use, with even modern dual and triple-band routers still carrying it forward to this day (per Network World). The 2.4 GHz standard has seen a number of revisions over the years; eventually ending up as 802.11g, or Wi-Fi 3, which expanded to the frequency range of 2.4 GHz, allowing it to reach greater speeds and theoretically cut down on interference between channels.
As the name suggests, it uses channels in the 2.4 GHz frequency, specifically in the 2401 to 2495 MHz range. Generally speaking, 2.4 GHz Wi-Fi has access to 14 channels with overlapping frequency ranges, and tops out at 54 megabits per second speeds — around 6.75 megabytes per second. While the speed might not be anything to write home about, it’s certainly adequate for most basic home use cases. The range of 2.4 GHz Wi-Fi can exceed 150 feet, according to Pearson IT Certification, making it a great option for low-bandwidth and long-range applications.
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