https://en.wikipedia.org/wiki/33-centimeter_band https://en.wikipedia.org/wiki/33-centimeter_band for info on the current and historical use of this band. > In

https://en.wikipedia.org/wiki/33-centimeter_band https://en.wikipedia.org/wiki/33-centimeter_band for info on the current and historical use of this band. > In 1985, the Federal Communications Commission allocated the frequency band between 902 and 928 MHz to Part 18 ISM (industrial, scientific, and medical) devices. In that proceeding, the band was also allocated to the Amateur Radio Service on a secondary basis meaning amateurs could use the band as long as they accepted interference from, and did not cause interference to, primary users.