> I'd never looked closely at the Decawave stuff before, but the more I do,
> the more impressed I am (but then I impress easily).  The DW1000 chip is
> about $10 qty 1, if you want to implement your own antenna.  The DWM1000
> module includes the antenna and associated bits.  Either of those would
> require a microprocessor (their API's are oriented around STM32's).  A
> product based on these would require FCC CFR47 part 15 certification.  If
> this is a one-off application, the TREK1000 evaluation kit includes four
> ready to use application boards for $990. An application use case for the
> kit is a tracking system with 3 anchors and 1 roaming tag for 3D
> trilateration.  That kit can be expanded with more evaluation boards.

It looks like the module with antenna is FCC certified as a "modular
transmitter." ( http://mai.hallikainen.org/org/FCC/FccRules/2019/15/212/
). As such, the FCC would only require testing as an unintentional
radiator (which pretty much everything digital requires) as opposed to
being tested as an intentional radiator, which is quite a bit more
testing.

Harold

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