Fundamentals of RFID
posted on: 24 May, 2018 | 04:18:34 PM by ibc
What is RFID
RFID stands for Radio-Frequency Identification. The acronym refers to small electronic devices that consist of a small chip and an antenna. The chip typically is capable of carrying 2,000 bytes of data or less
The RFID device serves the same purpose as a bar code or a magnetic strip on the back of a credit card or ATM card; it provides a unique identifier for that object. And, just as a bar code or magnetic strip must be scanned to get the information, the RFID device must be scanned to retrieve the identifying information.
A basic RFID system has tags attached to all items that need to be tracked. Made from a tiny tag-chip, these tags are also known as integrated circuit (IC) and are connected to an antenna that can be built into various types of tags such as apparel hang tags, labels and security tags – but also industrial asset tags. In a nutshell, every tag chip contains memory that is stored in it and contains the basic product code (EPC) of the product and other necessary information allowing it to be tracked and identified by the UHF RFID scanner or reader everywhere.
On the other hand, the UHF RFID reader is a network-connected device which can either be fixed or mobile – and features an antenna that sends the power and receives signals as commands to the tags. In other words, it is an access point for RFID tagged items so that the tags data is made available to every business application.
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