IEEE 802.11j

What Does IEEE 802.11j Mean?

IEEE 802.11j is an IEEE 802.11 amendment that extends wireless communication and signaling for 4.9 GHz and 5 GHz band operations in Japan. IEEE 802.11j facilitates communications for outdoor, indoor and mobile applications that comply with wireless local area network (WLAN) regulations.

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IEEE 802.11j is also known as IEEE 802.11j-2004.

Techopedia Explains IEEE 802.11j

IEEE 802.11j adds channels and frequencies to Japan’s 4.9 GHz and 5 GHz bands for improved performance and capacity and reduced interference with coexisting signals. IEEE 802.11j also specifies regulations and recommendations that impose requirements on the power of transmitting nodes, modes of operation, channel alignment and undesired frequency signal levels.

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Margaret Rouse

Margaret Rouse is an award-winning technical writer and teacher known for her ability to explain complex technical subjects to a non-technical, business audience. Over the past twenty years her explanations have appeared on TechTarget websites and she's been cited as an authority in articles by the New York Times, Time Magazine, USA Today, ZDNet, PC Magazine and Discovery Magazine.Margaret's idea of a fun day is helping IT and business professionals learn to speak each other’s highly specialized languages. If you have a suggestion for a new definition or how to improve a technical explanation, please email Margaret or contact her…