3 ms·
I think the RFID on most phones (that even have it) is very short range. http://www.thetileapp.com/ http://www.thetileapp.com/ uses Bluetooth.
by eli 12y ago
I think the RFID on most phones (that even have it) is very short range. http://www.thetileapp.com/ http://www.thetileapp.com/ uses Bluetooth.