Features: This integrated PN532 module is a powerful reader, which supports a variety of protocols. Suitable for various application scenario, including access control system, payment terminals and Internet of Things devices. This module can not only be used as card reader, but also realize the functions of card writing, simulation and point-to-point transmission. At the same time, its data transmission rate can reach up to 424kbps, which greatly improves the data processing efficiency. The module adopts package design, which is convenient to be embedded in various projects. Equipped with standard interfaces (I2C, SPI, UART), it make the connection with the development board easy and reduces the development difficulty. This PN532 module is highly integrated, which reduces the need for external circuits. Compared with other traditional module, it have faster response time and lower power consumption, and is especially suitable for battery-powered mobile devices or intelligent home products. This suite is very suitable for developing applications, intelligent card systems, access control, wireless payment, etc. Whether it is commercial product development, this integrated PN532 module will provide you with a stable and reliable solution to help realize innovative intelligent applications. Specifications: Component:Plastic Size:Approx.6.5x5cm//2.55x1.96inch Color:Black Package Includes: 1 Set PN532 Module Kit note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind befores you order. 2.Due to the differences between different monitors, the picture may not reflect the actual color. Thanks for your understandings.