USB TO RS485 converter Industry-specific, antistatic, anti-jamming, 600 W lightning protection . USB TO three wire RS485 converterIndustry-specific, antistatic, anti-jamming, ... twisted pair or shielding wire;11), Transmission distance: USB to turn 485 transmission distance: 1.2 km above;12 ... 9), highway toll;ATM machine; and so on USB TO RS485 converter (industry-specific, 600 W lightning protection)