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USB T-T-L RS485 Serial Adapter CH340 Chip Interface Converter with Button Switches U-A-R-T
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  • $99.99 
  • Free Shipping
1 Pair UOTEK Industrial 5 Ports RS232 Extender Adapter Asynchronous Protocol Long Distance Serial Extension Driver Connector UT-3212
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  • $82.28 
  • $17.50 Shipping
Direct from UOTEK Direct from UOTEK
UOTEK Industrial RS232 5 Bits Isolated Converter Serial Adapter Optical Isolator ±3KV ESD Protection UT-215
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  • $14.29 
  • $8.04 Shipping
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DSD TECH SH-U11G Isolated USB to RS485 Adatper Built-in FTDI chip
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  • $44.99 
  • $5.99 Shipping