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FTDI Type C RS232 Serial Adapter Converter Plug Board With TXD, RXD, CTS,RTS, DCD, DSR, DTR, RI, GND, VCC
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  • $13.98 - $15.98
New RS232 Converter Cable USB to RS-232 Commercial Grade Interface Adaptor USB-A Male DB9 Female Connector USB Cable UT-8823F
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  • $32.69 
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  • $30.69 - $32.69
DSD TECH SH-B23A Bluetooth 2.0 to RS232 Serial Adapter with DB9 Converter
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  • $47.99 
  • $5.99 Shipping
IO CREST RS-232 + RS-422/485 DB9 Serial M.2 B+M Key Controller Card
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  • $33.16 
  • Free Shipping
UTEK RS-232 to RS-485 RS-422 Adapter Industrial DB9 RS232 to RS485 Converter RS422 Connector Isolation ESD Anti-Surge UT-208
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  • $68.99 
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  • $66.99 - $68.99
JAENFONG 2 Port RS-232 DB9 Serial M.2 B+M Key Controller Card SI-ADA15070
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  • $47.79 
  • Free Shipping
JAENFONG 2 Port RS-232 DB9 Serial M.2 B+M Key Controller Card SI-ADA15069
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  • $46.79 
  • Free Shipping
IO CREST 2 Port RS-232 DB9 Serial M.2 B+M Key Controller Card
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  • $33.99 
  • Free Shipping
16 Port Rack Mountable RS-232 USB-to-Serial Adapter with Built in Power Supply
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  • $737.99 
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Coolgear Professional Quad Port USB to Serial DB-9 RS-232 Adapter
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  • $209.99 
  • Free Shipping
DeLOCK PCI Express Card to 1 x Serial RS-232
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  • $103.99 
  • Free Shipping
CH340 USB to 4Pin Du-pont RS485 Serial Adapter Converter Terminal Block
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  • $90.99 
  • Free Shipping
CH340B USB to RS485 RS422 Serial Communication Module Converter Adapter Cable
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  • $113.99 
  • Free Shipping
USB to Dual Serial RS-422/RS-485 Port Mountable Converter
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  • $149.99 
  • Free Shipping
SerialGear® USB to 8 Rs232 Ports Adapter
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  • $347.99 
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USB 2.0 to 4 Ports RS232 Adapter Convertor DB9 COM RS-232 Serial Port Multiplier
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  • $105.62 - $107.62