Amazon
Interface: RS-485 via a tool-free 3-pin block Signals: T/R+, T/R, GND Power supply from USB bus Transmission distance: up to 1.2 km (9600 bps) Chipset: FTDI
Interface: RS-485 via a tool-free 3-pin block Signals: T/R+, T/R, GND Power supply from USB bus Transmission distance: up to 1.2 km (9600 bps) Chipset: FTDI