RFID - Radio Frequency Identification

RFID or radio data tagging, as it is more commonly known, is one of the most rapidly expanding areas of data capture technology.

What is RFID?

Data Tags

RFID tags are like small radio transmitters. The tags can carry data, which can be dynamically modified using radio frequency (RF) communication, so that each tagged item carries itís own memory of information. This is particularly important where information about the item is to be exchanged and modified without reference to a central database. By having this independence from a central database, more information can be made available throughout the supplier/customer chains.

Using RF signals to read/write tag data, where the tag is embedded in the fabric of the item, provides stored data with exceptional environmental durability.

Writing the Data onto the Tag

RFID supported Printers, Fixed and Portable terminals can write data to the tags.

Many barcode printers now support RFID, with the printer writing to a "smart label" both the data to the RFID tag as well as printing the barcode Id. on the label.

Reading the Stored Data from the Tag

The RFID data tag can then be read with a suitable RFID scanner, which can be a fixed or a portable terminal, equivalent to a barcode scanner.

Application Areas for RFID

Key areas where RFID is proving to be an essential part of information exchange:

Transportation and Logistics item management
Manufacturing and Processing item control
Security/Access Control
EAS (Electronic article surveillance)
Time and Attendance

Barcode is still King

Bar-code is still king, however there are some key advantages with RFID.

Barcode has become established as the most popular, almost universal, solution for automated data recognition systems. This is due to the relative ease of generating barcodes, coupled with a relatively low initial investment cost. Indeed the technology will continue for many years to come as a viable solution, to many data capture business requirements. However, like any technology, it has limits and as businesses call for more added value in their investment, these limits are becoming more apparent.

Barcode limits

Technology is Read Only
Barcode needs to be visible to be scanned
Can only scan one barcode at a time
Limited Operating environment

RFID added value

Technology is both Read and Write
Does not need to be visible or in line of sight
Can be read and written to in groups
Extensive Operating environment

Further Information on RFID

For further information on RFID and how your business could benefit from this exciting technology then call Business Systems sales on 01827 309800 or email: sales@crowncomputing.co.uk