Thanks for responding.
No, receiving and display system can be in anyshape or form but ideally like a dial in wrist watch form as the display would look nice and would be easy to read out.
Yes, signal would pass thru walls and/or metal/magnetic surrounding.
This is tricky. Preferably as little...
I am involved in following science project and am in great dilemma. I am software engineer but am really novice and have very limited knowledge as to what I need or would work in this area. Any help on specific parts or technology or pointer in right direction to implement to be able to do this...