I need an RFID transponder and controller that will beep after they're apart a certain distance (about 5 feet). I need something that will use a low amount of energy.
The limited power and processing ability of RFID chips makes them vulnerable to attackers operating at a distance. A new protocol could tackle this problem.
One drawback with RFID chips is their inability to know the distance of any device that is interrogating them. That allows a malicious user to attack from a distance, more or [...]
I just get tablet from title, this tablet have possibility to read RFID from chips and cards. The problem is, I cant find a way too enable RFID reader in my app. there is a demo app and it's only thing that works with RFID module. As far as I know, there is no native support for RFID in android SDK, so that is the biggest problem.