Types of RFID Tag/Label:
Low Frequency (LF)- covers 30 to 300KHz with slow read speeds but is less prone to radio wave interruption. For example, livestock tracking uses low frequency.
High Frequency (HF)- operates at 3 to 30MHz, and is moderately prone to radio interference. Useful for ticketing, checkout, and data transfers.
Ultra-high Frequency (UHF)- starts from 860 to 960MHz. While most prone to radio interference, manufacturers like Zebra have designed antennas that experience less interference. Most use cases for RFID belong to the UHF category because tags and readers are easier and cheaper to manufacture. UHF applications range from inventory management to anti-theft and anti-counterfeiting systems to wireless device configuration.
Whats inside an RFID tag/label?
Tags can typically store up to 2KB of data or 128KB for some battery-powered tags. Tags are like mini radio receivers; they contain a circuit, and an antenna, enclosed in durable plastic. Modern RFID readers can read battery-powered active tags or energize passive tags. Tags can be read only or read-write. Read-write tags require specialized equipment like Zebra's portals, making deployment harder.
Smart label
If you've ever ripped up a price label on a shirt or a kitchen appliance, you've encountered a smart label. Modern use of RFID comes by way of smart labels. Which consists of simple circuits on an adhesive label with a barcode. These labels can be attached to anything, from Amazon packages to a hospital patient's wristband. And are very quick to deploy and encode with desktop RFID printers. It's hard to choose what's right for your business; we're here to help demystify it.
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