1996 - 2016
BSEE - KB3UON
RF Cafe began life in 1996 as "RF Tools" in an AOL screen name web space totaling 2 MB. Its primary purpose was to provide me with ready access to commonly needed formulas and reference material while performing my work as an RF system and circuit design engineer. The Internet was still largely an unknown entity at the time and not much was available in the form of WYSIWYG ...
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These spectral masks are defined in IEEE specification 802.11a, 802.11b, and 802.11g. Wireless LAN (WLAN) transmitters are required to meet these masks and FCC Part 15 (15.247, 15.205, and 15.209) unlicensed equipment specifications simultaneously.
These spectral masks can of course be found in the IEEE802.11 document, but they are sometimes difficult in a Web search.