On Aug 14, 6:54*am, Westbender wrote:
In the US, FLARM will operate around 915MHz, with frequency hopping.
This is in one of the 'license free' bands.

Urs
FLARM

433mhz was stated by the folks at Butterfly Aero. Are you saying
they're wrong? Interesting...

I would think that the manufacturer would provide better info than a
dealer? :-)