What do you know about RFID (radio frequency identification)?

RFID (radio frequency identification) is a wireless communication device that includes electromagnetic or electrostatic pairing in the radio frequency part of an electromagnetic spectrum to identify an object, animal, or person exclusively.

How does RFID tag work?

Every RFID tag system consists of three main components: a scanning antenna, a transceiver, and a transponder. After the scanning antenna and transceiver, you can combine, can refer it to as an RFID reader or interrogator. There are two types of RFID readers- fixed readers and mobile readers. The RFID reader is a network-connected device that is portable or permanently attachable. It uses radio waves to convey signals that activate the tag. When activated, the RFID tag sends a wave back to the antenna, translating it into data.

However, the transponder is in the modern RFID tag itself. The read range for RFID tags differs based on the type of tag, type of reader, RFID tag frequency and interference in the immediate environment, or other RFID tags and readers. However, titles that have a more robust power source also have a more extended read range. UHF RFID tag manufacturer is ruling the world.

What are RFID tags and their smart labels?

RFID tags have an integrated circuit (IC), an antenna, and a substrate. The part of an RFID that encodes identifying information is famous as the RFID inlay. There are two types of RFID tags:

  • Active RFID tag: An active RFID tag has its power source, often a battery.
  • Passive RFID tag: A passive RFID tag obtains its power from the reading antenna, whose electromagnetic wave encourages a current in the RFID tag’s antenna.

There are semi-passive RFID tags, meaning a battery that runs the circuitry through communication can power the RFID reader.

However, low-power, embedded non-volatile memory plays an essential role in every RFID tag system. RFID tags usually hold less than 2,000 KB of data, comprising a unique identifier or serial number. Tags are read-only or read-write, where the reader can add data or existing data overwritten.

The read range for these RFID tags varies based on factors comprising a type of tag, type of reader, RFID frequency, and interference in the nearby environment or from other RFID tags and readers. Active tags have a more extended read range than passive RFID tags because of the more potent power source.

Moreover, smart labels are simple RFID tags. These labels have an RFID embedded into an adhesive label and feature a barcode. People use them as both RFID and barcode readers. You can print smart labels on-demand using desktop printers, where RFID tags involve more advanced equipment.

  • Mobile handheld RFID tag reader and fixed RFID reader.
  • RFID readers are fixed (left) or mobile (right).

What are the key types of RFID tag systems?

There are three main types of RFID tag systems: low frequency (LF), high frequency (HF), and ultra-high frequency (UHF). Frequencies of these tags vary significantly by country and region.

Low-frequency RFID systems. These tags range from 30 kHz to 500 kHz. However, the typical frequency is 125 kHz. Low-frequency RFID has short transmission ranges, usually anywhere from a few inches to less than six feet.

High-frequency RFID tag system: This RFID ranges from 3 MHz to 30 MHz, with a typical HF frequency of 13.56 MHz. The standard range is anywhere from some inches to several feet.

UHF RFID tag systems. UHF RFID tag manufacturer offers the range from 300 MHz to 960 MHz, with the typical frequency of 433 MHz, and you can generally read from 25-plus feet away.


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