On Friday, April 27, 2018 at 12:00:08 PM UTC-7, Alan Saunders wrote:
See IR2030/1/19 for EU or 2014/88/UK June 2014 for UK. Other
countries may have different regulations.

- IR2030/1/19 2014/88/UK June 2014 -
Non-specific short-range devices.

** Equipment may be used airborne.**

869.40 - 869.65 MHz 500 mW e.r.p.

Techniques to access spectrum and mitigate interference that provide at
least equivalent performance to the techniques described in harmonised
standards adopted under Directive 2014/53/EU must be used. This can
include for example Listen Before Talk. Alternatively a duty cycle limit of

10% may be used.
EN 300 220 2013/752/EU Band No.54b.

Alan (UK)

Thanks Alan! That's good news. I know that goTenna does implement "listen before talk", meaning it waits until the frequency is clear before transmitting.