Innovative serial charge pump drive technology eliminates the need for an external power supply, ensuring hassle-free operation.True three-wire communication (TXD, RXD, GND) simplifies the connection process and enhances compatibility with RS485 or RS422 devices.No serial port initialization required, providing a seamless and efficient solution for serial data communication.Professional grade RS232 to RS485/RS422 converter ensures reliable and high-quality performance for various applications.Supports baud rates up to 115.2 Kbps and a maximum connection distance of 4000 feet (1200 meters), offering flexibility and versatility in usage. Introducing our professional grade RS232 to RS485/RS422 converter, the perfect solution for seamless serial data communication between your serial port and RS485 or RS422 devices. With unique serial charge pump drive technology, this converter requires no external power supply, making it incredibly convenient to use. It features true three-wire communication (TXD, RXD, GND) and does not require serial port initialization, simplifying the setup process. Supporting baud rates up to 115.2 Kbps and automatically sensing serial signal rate, this adapter is designed for high-speed and reliable data transmission. With a maximum connection distance of 4000 feet (1200 meters), it offers exceptional versatility for various applications. Upgrade your communication capabilities with our RS232 to RS485/RS422 converter today Item Name: Converter Material: ABS, Metal Features: Passive Bidirectional, No External Power Required, No-latency Size Details: Size: 6.4cm x 3.3cm x 1.7cm/2.52" x 1.3" x 0.67" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Converter