... anti-jamming, 600 W lightning protection . USB TO three wire RS485 converterIndustry-specific, antistatic, anti-jamming, 600 W lightning ... , USB line the election of high frequency shielding pure copper wire;2, RS485 interface chip picked the MAX original industrial ... to 95%;10), Transmission medium: twisted pair or shielding wire;11), Transmission distance: USB to turn 485 transmission distance: ...