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What materials can RFID read through?

Posted on August 14, 2022 by Author

What materials can RFID read through?

RFID scanners use radio frequency energy rather than visible light to read the RFID tag, so they can read tags through a wide variety of opaque materials like plastic, cardboard, composites or laminates. This comes in handy when you need to quickly scan a roomful of items to identify a certain subset.

What is mfrc522?

MF RC522 is a highly integrated read and write card chip applied to the 13.56MHz contactless communication. The MF RC522 uses advanced modulation and demodulation concept which fully presented in all types of 13.56MHz passive contactless communication methods and protocols.

How do I get an RFID sticker online?

You can acquire your own RFID sticker through the following:

  1. Book an RFID sticker appointment online and go to the installation site on the assigned schedule.
  2. For walk-in at installation sites, this is not covered by the online appointment system;

What is RFID reader RC522?

The RC522 RFID Reader module is designed to create a 13.56MHz electromagnetic field that it uses to communicate with the RFID tags (ISO 14443A standard tags). The reader can communicate with a microcontroller over a 4-pin Serial Peripheral Interface (SPI) with a maximum data rate of 10Mbps.

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What are the different types of RFID readers?

There are two types of RFID readers — fixed readers and mobile readers. The RFID reader is a network-connected device that can be portable or permanently attached. It uses radio waves to transmit signals that activate the tag. Once activated, the tag sends a wave back to the antenna, where it is translated into data.

Why do companies prefer active RFID tags?

Companies prefer active RFID tags when they need to track real-time locations of various items. Active RFID tags operate on their own power source, usually a battery. This is how the ‘real-time’ aspect is made possible. Therefore, these tags are able to broadcast signals on a continuous basis.

What is RFID collision and how to prevent it?

Reader collision, when a signal from one RFID reader interferes with a second reader, can be prevented by using an anti-collision protocol to make RFID tags take turns transmitting to their appropriate reader. Tag collision. Tag collision occurs when too many tags confuse an RFID reader by transmitting data at the same time.

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How do passivepassive UHF RFID tags work?

Passive UHF RFID tags rely on passive backscatter modulation to function and have no additional power source. In short, this means that the RFID reader sends its energy through the antenna as RF waves to the UHF RFID tags in order for them to become energized and respond back to the reader.

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