The RSM3485PCHT is a RS485 Bus Module ROHS manufactured by VISOM with a speed of 115.2Kbps, 64 33mA, Yes 2500V, 3.15V~3.45V and NO DIP. This module is used in the serial communication of industrial control systems, industrial automation systems, boats and yachts, energy systems, as well as power plants. It is suitable for communication between microprocessors, controllers and other devices. Its features include over-temperature protection, full driver-receiver circuit, low power consumption, wide operating temperature range, high speed, and high reliability. This module is compliant with the RoHS directive and supports long-distance communication.