A primer on radio frequency identification
For more than two decades, the contactless card has been a key tool in managing security, access and payments. Whether it’s used to open doors, facilitate public transit ticketing or mange multiple applications, contactless has become an essential element in many environments. But how does the technology enable all these uses without ever touching a reader?
Contactless cards use radio waves of specific frequencies as carriers for communication. Bryan Ichikawa, vice president for Identity Solutions at Unisys, explains that when used for identification applications radio frequencies come in three basic categories: low frequency, high frequency and ultra-high frequency. Each has a set of ideal applications.
There are 1046 words in the rest of this article …
Library Access Required
Library subscribers have access to the full archives of more than 10,000 original news items and feature articles published by AVISIAN’s suite of ID technology publications (ContactlessNews.com, CR80News.com, DigitalIDNews.com, FIPS201.com, NFCNews.com, RFIDNews.org, SecureIDNews.com, and ThirdFactor.com).
For just $49, you receive unlimited password-protected access to content on all of AVISIAN’s sites for an entire year. Your subscription helps fund the continued creation of independent, insightful content. Find out more.
Sign in as a Subscriber
If you are already a subscriber, you may sign in now. Enter your Email Address and Password and click Sign In.
If you have forgotten your password, enter just your Email Address, and click Send Password.








In term of security, Mr. Ismail says for MIFARE contactless card not for all high end cards used in application like EMVCo, eGov (e.g. ePassport). Alright? The MIFARE chips are having life span up to 10 years but card manufacturing process and other components pose the life time of the card.