Looking to develop a height and distance measuring device from a beacon. Needs to be reasonably accurate for short distance--so not gps.

Hi All,

Would any of you know what avenue of technology I would look to achieve this?  I need it to go through walls.  It doesn't have to be just one beacon, it could be multiple beacons that sends signals to determine a waypoint.  

 

Thank you,

Barry

 

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