In February 2002, the FCC allowed limited use of ultra-wideband (UWB) techniques in the 3.1–10-GHz spectrum.
Sources
- Open Spectrum (queue.acm.org)
- https://www.microwavejournal.com/articles/653-ultra-wideband-signal-generation (microwavejournal.com)
- https://www.federalregister.gov/documents/2003/04/22/03-9879/ultra-wideband-transmission-systems (federalregister.gov)
- https://dspace.mit.edu/handle/1721.1/37895 (dspace.mit.edu)
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