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Passive RFID tags are small electronic devices that use radio frequency identification technology to transmit data. They consist of a microchip and an antenna, which are typically encased in a protective material such as plastic or paper. Unlike active RFID tags, passive tags do not have a power source; instead, they draw power from the RFID reader's signal to operate and send back information.
| Frequency range | Low Frequency (LF), High Frequency (HF), Ultra High Frequency (UHF) |
| Read range | Up to 10 meters, depending on the tag and reader |
| Memory size | Typically 64 bits to 8 kilobytes |
| Operating temperature | -25°C to 85°C |
| Material | Plastic, paper, or synthetic materials |
| Form factor | Labels, cards, inlays, or embedded in products |
When selecting passive RFID tags, consider the frequency that best suits your application, as different frequencies have varying read ranges and capabilities. Specify the required memory size based on the amount of data you need to store. Additionally, think about the environmental conditions the tags will face, such as temperature and exposure to moisture, to choose the right materials. Certifications may be necessary for certain industries, so inquire about compliance with relevant standards.
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Passive RFID tags do not have a power source and rely on the reader's signal, while active tags have their own battery and can transmit signals over longer distances.
Yes, passive RFID tags can be reused as long as they are not damaged and can still be read by RFID readers.
They are widely used in retail, logistics, healthcare, and manufacturing for tracking and identification purposes.
Check the frequency and protocol of your RFID system and ensure the tags you choose match these specifications.
Passive RFID tags can last several years, depending on environmental conditions and usage.
Some passive RFID tags are designed to be waterproof, but it's important to check the specifications for each specific tag.