Originally Posted by
ECHO24
The electronics in the Dronetag DRI single board are less than $10. Another RID board, DroneBeacon, was based on an ESP module that are as little as $5 retail. They are now using a different chip but this is all inexpensive and open source.
https://dronescout.co/dronebeacon-ma...d-transponder/
It appears to not be a stand alone unit, is this correct? If my understanding is correct then it can not be used in legacy R/C airplanes.