Interesting, thanks! That's for part 15 devices, which are exclusively devices operated without a licence, generally at low power. Part 90 is a different beast

Interesting, thanks! That's for part 15 devices, which are exclusively devices operated without a licence, generally at low power. Part 90 is a different beast, operating with licences, and at higher power limits. It doesn't surprise me the equipment licencing requirements are more intense.