Additional 5 GHz Spectrum Opened Up for Wi-Fi in the US

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4Q 2020 | IN-5990


FCC's Announces New 5.9 GHz Rules


While there has been a lot of activity across the world in opening up the 6 GHz band for Wi-Fi, work is still being done on the legacy 5 GHz Wi-Fi band. The FCC has voted in favor of new 5.9 GHz (i.e., 5.850 GHz to 5.925 GHz) rules, allowing Wi-Fi in most parts of the United States to utilize the low 45 MHz for Wi-Fi, offering new, license-free channels—including one 160 MHz channel, at the top of the 5 GHz range—and expanding the overall 5 GHz band. The FCC has stated that this part of the band, while limited in size, is in an important position, adjacent to the existing unlicensed 5 GHz Wi-Fi spectrum.

The upper 30 MHz will be reserved exclusively for automotive safety (CV2X) applications rather than Wi-Fi. These include providing direct communications between vehicles, cyclists, pedestrians, and road workers, ensuring that safety information is provided. In the past, this band has been largely unused, having been reserved for providing intelligent transportation systems such as dedicated short-range communications for the automotive industry. Any automotive appliā€¦

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