There are many different types of RFID systems employed worldwide, but generally speaking, a device used in cars for toll-collection purposes would be an active transponder that stores a unique serial ...

It can be a pain to wait at a toll booth. Luckily, RFID toll tags can help. RFID toll tags are small devices that drivers attach to their vehicle windshields, usually behind the rearview mirror. Each ...

I will explain the basic concept of anti-collision here, and then point you to some information that goes into more depth. Readers can not talk to two tags simultaneously. Rather, they must isolate a ...