1、MF is a member of the high‑integration read‑write card series used in 13.56MHz contactless communication. It is a low‑voltage, low‑cost, small‑sized contactless card reader chip developed by for NXP for the for "three‑table" application. 2、The MF utilizes advanced modulation and demodulation concepts to fully integrate all types of passive contactless communication methods and protocols at 13.56 MHz. Support for multi‑tier applications of for ISO14443A. 3、Its internal transmitter section drives the reader antenna to communicate with the for ISO 14443A/for card and transponder, eliminating the need for additional circuitry. The receiver section provides a robust and efficient demodulation. 4、In addition, it supports the fast CRYPTO1 encryption algorithm for validating the for family of products. The MF supports for higher speed contactless communication with bidirectional data rates up to 424kbit/s. 5、As a new member of the 13.56MHz high‑integration read‑write card family, the MF has many similarities with the MF RC500 and MF RC530, as well as many features and differences. It communicates with the host with less serial communication. Features: MF is a member of the high-integration read-write card series used in 13.56MHz contactless communication. It is a low-voltage, low-cost, small-sized contactless card reader chip developed by for NXP for the for "three-table" application. It is a good choice for the development of smart meters and portable handheld devices. The MF utilizes advanced modulation and demodulation concepts to fully integrate all types of passive contactless communication methods and protocols at 13.56 MHz. Support for multi-tier applications of for ISO14443A. Its internal transmitter section drives the reader antenna to communicate with the for ISO 14443A/for card and transponder, eliminating the need for additional circuitry. The receiver section provides a robust and efficient demodulation and decoding circuit for handling for ISO14443A compatible transponder signals. Digital part processing for ISO14443A frame and error detection (parity & CRC). In addition, it supports the fast CRYPTO1 encryption algorithm for validating the for family of products. The MFRC522 supports for higher speed contactless communication with bidirectional data rates up to 424kbit/s. As a new member of the 13.56MHz high-integration read-write card family, the MF has many similarities with the MF RC500 and MF RC530, as well as many features and differences. It communicates with the host with less serial communication, and can choose one of for SPI / I2C or serial UART (similar to RS232) mode according to different user requirements, which is beneficial to reduce wiring and reduce PCB board volume, cut costs. Scope of application: MF is suitable for a variety of applications based on for ISO/IEC 14443A standard and requires low-cost, small size, high performance and single-supply contactless communication. For Three-table; on-board units; public transportation terminals; portable handheld devices; contactless public telephones. Specification: Serial power supply voltage (VCC): 5V RX serial port reception TX serial port transmission GND power ground Sleep current: <80uA Peak current: <30mA Working frequency: 13.56MHz Card reading distance: 0~45mm Interface: UART TTL Baud rate: 115200 Data transmission rate: up to 10Mbit/s Size: approx. 5 * 5 * 0.5cm / 1.97 * 1.97 * 0.2inch Ambient operating temperature: -20~80°C Storage temperature: -40~85°C Humidity: Relative humidity 5% - 95% Agreement: for ISO14443A compliant, for S50, S70 Package list: 1 * Module