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UTEK UT-209 RS485/422 repeater industrial grade photoelectric isolation signal amplifier converter
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DTECH RS232 to RS485 Converter Serial Adapter with 4 Position Terminal Block for Long Haul Data Communication Supports 600W Anti-Surge
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  • $13.65 
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  • $12.45 - $13.65
DTECH Industrial Grade RS232 to RS485 Converter Adapter Optical Isolation Protector with TX RX LED Lights for Long Haul Serial Communication
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  • $26.88 
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  • $25.68 - $26.88
RS485 Surge Protector Thunder Lightning Arrester Protection Device Protection Device, ,
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  • $17.12 
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USR-232-610-V2 Free Ship Serial Server RS232 RS485 to 802.11 b/g/n Converter
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  • $98.80 
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Industrial Modbus 2Ports Serial Server RS232/RS485/RS422 to WiFi Ethernet Device Converter Connector Unit
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  • $63.70 
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  • $61.70 - $63.70
RS232 To RS485 Data Communication Adapter for PTZ CCTV
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  • $18.20 
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RS-232 RS232 serial to RS485/RS422 485/422 Converter
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  • $16.17 
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DTECH TB-1061 USB to RS485 Adapter Cable - 1.8M Serial Communication 6-Core Converter with Terminal Connection
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  • $47.59 
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  • $46.39 - $47.59
DTECH DT-5019C USB to Multi-Protocol Serial Converter Cable -  All-in-One RS232/RS422/RS485 Adapter with LED Indicators
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  • $44.52 
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  • $43.32 - $44.52
FTDI USB-RS485-WE USB to RS485 Serial Converter Cable with TX/RX LEDs, Wire End,1.8m
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  • $36.49 
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