RFID (Radio Frequency Identification) technology stores data in the memory of RFID tags. The RFID tags contain integrated microchips that have non-volatile memory to store information. There are different types of RFID tags available, and the amount of memory can vary depending on the tag's specifications and intended usage.
The data storage capacity of RFID tags can range from a few bytes to several kilobytes. The memory is typically divided into different sectors or blocks that can be read from or written to by RFID readers or read/write devices. The memory on RFID tags can be read-only, allowing only the pre-programmed data to be accessed, or it can be read-write, allowing new data to be written or overwritten.
The type and amount of data stored on RFID tags depend on the application and the specific requirements of the system. Common types of data stored on RFID tags include unique identifiers, product details, location information, sensor data, security keys or access codes, and transactional data.
When an RFID tag is scanned by an RFID reader, the reader reads the data stored in the tag's memory and transfers it to a backend system or database for further processing, analysis, or storage.
RFID tags store data locally on the tag itself, allowing for efficient and decentralized data storage. This enables quick and direct access to information without relying on a continuous connection to a central database or network.