Not legal for use in the USA?

[The Editor]

What inspire Fiasco?

The illegal EIRP levels that broke different countries laws regarding 2.4ghz output limits.
Later corrected within firmware but they got in hot water over allowing illegal transmitting devices out to general population.
They then later fell foul of government taxation thresholds on cameras v video cameras (which are taxed differently) and so then had to limit continuous recording to 29 minutes 59 seconds so they didn't get hit with large revenue export fines.