Encoding & Access
RFID
Radio-frequency identification, the umbrella term for contactless card and tag technologies.
RFID covers both 125 kHz prox and 13.56 MHz smart cards, any credential read wirelessly by radio.
RFID is the umbrella term, it covers both 125 kHz prox and 13.56 MHz smart cards. When a vendor says a card is RFID, ask which frequency and technology, that determines whether it works with your specific readers.
Need rfid for your card program?
We stock it, spec it, and explain it, since 1984.
Where this leads
If you are working this out for a live card program, start with our prox card finder.
Questions about RFID?
Our team explains the jargon and specs the right gear, since 1984.