IEEE 802.11af
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IEEE 802.11af

White-Fi or more accurately 802.11af enables WiFi operation in TV white space spectrum in the VHF (Very High Frequency) and UHF (Ultra High Frequency) bands between 54MHz and 790MHz. Approved in 2014, the amendment supports cognitive radio techniques to minimize interference to the primary users of the radio spectrum, namely analogue and digital television and wireless microphones.

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