Welcome to our shop! Here we have a great product for you - the Good Converter. It enables bidirectional conversion between TTL and RS422 level signals, making it very convenient and practical. With over voltage and over current protection, this 5V chip ensures secure working and proper functioning. We have used SMD components for better transmission and to improve the system's reliability in various environments. The full duplex 422 to single chip microcomputer UART serial port conversion offers higher efficiency. Not only that, this level converter module is easy to install with its lightweight and compact size. You can quickly finish the installation hassle-free. Material: PCB Working Voltage: 5V Quantity: 1 100% Satisfaction: Our customers are our top priority. If you find any product problems after receiving the goods, such as damage and incorrect quantity of goods, please contact the seller immediately. We try our best to provide you with satisfactory after-sales service. Thank you for choosing our product!