While his goal to use an NFC ring is admirable, one of our readers took it a step further a few years ago, and starts his car with a RFID tag implanted in his hand! Personally, we prefer [Pierre ...

Behind car windshields, the tags enable fast access to vehicles on the move. In pockets or on shirts, the tags enable employees to move freely with no constraints - true hands free identification.

Also called an "RFID interrogator." The maximum distance between the reader's antenna and the tag vary, depending on application. Credit cards and ID badges have to be brought fairly close to the ...