... Industry-specific, antistatic, anti-jamming, 600 W lightning protection . USB TO three wire RS485 converterIndustry-specific, antistatic, anti-jamming, 600 ... field anti-jamming performance;2, the election of CH341T CUP chip, communication rate can to 2 M;3, RS485 output ... medium: twisted pair or shielding wire;11), Transmission distance: USB to turn 485 transmission distance: 1.2 km above;12 ...