... RS485 converter Industry-specific, antistatic, anti-jamming, 600 W lightning protection . USB TO three wire RS485 converterIndustry-specific, antistatic, anti ... to customer's requirement to the interface, the interface of field wiring is convenient, the connection is very strong, please ... distance can reach 1.2 KM, have the industrial field anti-jamming performance;2, the election of CH341T CUP chip ...