4O3A USB to RS-485 Adapters

4O3A USB to RS-485 Adapters are a compact, level converter designed to convert USB serial data into a bipolar RS-485 signal, enabling long-distance communication thanks to its symmetrical signal levels. Commonly used to connect the Rotator Genius magnetic compass to a PC for calibration or sensor data retrieval, this adapter is powered directly via USB and requires no external power supply.

Key Features:

- Symmetrical bipolar signal conversion for enhanced transmission robustness and extended range.

- Plug-and-play USB 2.0 interface with no external power required.

- Wide OS support including Windows XP–11, Linux, macOS, and WinCE.

Additional Features and Specifications:

• Interface: USB 2.0 (compatible with USB 1.1)

• Baud Rate: 75 bps to 115200bps (up to 6Mbps)

• Communication Distance: Up to 3,900 ft.(1,200 meters) max

• Dimensions: 2.40 x 0.63 x 0.51 in. (6.1 × 1.6 × 1.3cm)

• Weight: 0.07 lbs. (30g)

• Operating Systems: Windows XP–11, Linux, macOS, WinCE 5.0/6.0

Download Windows driver HERE.