Knowledge Base - WiFi Basics
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      Orthogonal Frequency Division Multiplexing (OFDM)

      A modulation technique and a named physical layer in 802.11; operates in the 5 GHz band; data rates up to 54 Mbps

      A modulation technique and a named physical layer in 802.11 that provides data rates up to 54 Mbps and operates in the 5 GHz band. The modulation is used in all bands, but the named PHY operates only in the 5 GHz band.