4 ms·
It might be <1cm with this antenna but someone else with a better antenna might be able to read it from 1m...
by trumped 9y ago
It might be <1cm with this antenna but someone else with a better antenna might be able to read it from 1m...
- creep 9y agoJust encrypt the signal and have the receiving device decrypt. You could set it up as a one time thing as part of configuring your devices, and then the receiving device itself would manage access to everything else.
- dredmorbius 9y agoTiming would limit range. The auth itself is query-response, replay attacks don't work.