RFID system works based on two-way radio wave transmission technology that automatically identify and capture information stored on a RFID card. However it could not works at the circumstances when apply RFID card or tag on metal surface. That’s because metal surfaces reflect energy emitted from RFID readers and create interference for RFID tag antennas,which […]

Radio Frequency Identification(RFID), QR Codes, barcodes and are typically systems for conveying massive amounts of data into a small format. They offer speed, labor savings and cost effective, among other benefits. The Similarities between those are: They are all generally technique of data collecting, where data stored on all three types of cards is usually […]

RFID Card or contactless smart card using various technologies that make use of radio waves to identify objects or people. Where proximity card and vicinity card are mainly using partial of those technologies that defines for RFID card. Both proximity card (or prox card) and vicinity card are “contactless” RFID smart card which can be read without inserting it into […]

How many types of UID exist in contactless RFID card systems? UID standard for Unique IDentifer,  which is a common expression defined in the ISO/IEC 14443-3 for RFID card selection and activation. The standard defines single, double and triple size UIDs which consist of 4, 7 and 10 Bytes respectively. Single Size UID (4 byte) The Single Size […]