08-15-2018, 03:48 PM
It's a very recent development: https://docs.fcc.gov/public/attachments/DA-18-801A1.pdf
It's not illegal to use them, as long as you're using them correctly. They're just not allowed to be sold in the US.
It's not illegal to use them, as long as you're using them correctly. They're just not allowed to be sold in the US.