USB TO RS485 converter Industry-specific, antistatic, anti-jamming, 600 W lightning ... , communication rate can to 2 M;3, RS485 output interface take simple isolating circuit and 600 W lightning ... 485 transmission distance: 1.2 km above;12), USB line length: 80 centimeters;13), Weight: 35 g;Application:(1 ... ;ATM machine; and so on USB TO RS485 converter (industry-specific, 600 W lightning protection)