USB to RS485 Interface Adapter - 2 Wire - CH340 USB to RS485 interface adapter based on the CH340G chipset, designed for converting USB signals to RS485 differential signals and enabling reliable long-distance communication over a twisted-pair cable.

• Chipset: CH340G
• Interface: USB to RS485 (2-wire, half-duplex)
• Communication distance: up to 1200 m (4000 ft)
• Data rate: up to 100 kbps over maximum distance
• Connector: USB Type-A (host) to RS485 terminal block
• Drivers: available for Windows, macOS, and Linux

Appears as a standard COM port for easy integration with software applications This adapter allows a computer or USB-enabled device to communicate with RS485 networks used in industrial automation, building control, and embedded systems. It supports point-to-point and multipoint configurations on a single twisted pair and provides stable operation with minimal signal degradation over long distances. We recommend downloading the required USB driver for your operating system from WCH official website. We recommend our 4-wire RS485 USB interface for symmetric bus connections.