Description A 13.56MHz RFID card reader is a device used to read data stored on RFID (Radio Frequency Identification) cards operating at a frequency of 13.56MHz. The reader consists of an antenna and a microcontroller that receives signals from the card and processes the data. RFID cards are small plastic cards that contain a chip and an antenna. The chip stores information, such as a unique identification number or other data. When the card is placed near the reader, the antenna on the card is energized by the reader’s radio frequency field. The energized antenna then sends a signal containing the stored information back to the reader. The 13.56MHz frequency range is a common standard for RFID card readers and is used for a variety of applications, including access control, payment systems, and inventory management. This frequency range allows for high-speed data transfer and can support multiple simultaneous transactions. The reader is typically connected to a computer or other device through a USB or serial port. The device driver software installed on the computer allows the reader to communicate with the application software.










