Qualcomm Atheros with a humorous look at the 2.4 GHz band versus the 5 GHz band. The older wifi standards (802.11b, and 802.11g) operate at the crowded 2.4 GHz frequency, as does 802.11n, which was approved in 2007. Although 802.11n can operate at the 5GHz frequency, most implementations are at 2.4 GHz.
The upcoming 802.11ac standard – also called gigabit wifi – operates only at the cleaner, less crowded 5 GHz frequency.
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