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SERIALGEAR USB 4-Port Serial Adapter / USB 2.0 Quad Port Serial DB-9 RS-232
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  • $116.49 
  • $5.99 Shipping
SERIALGEAR USB to serial RS422/485 single port converter DB9 male connector
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  • $54.99 
  • $3.99 Shipping
SERIALGEAR USB to Serial 4-Port DB-9 RS-232 Adapter with FTDI Chipset
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  • $109.88 
  • $5.99 Shipping
4 port Serial RS232 RS-232 COM port to PCI-e Express PCIE Adapter with Cable 9904 Chip
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  • $95.96 
  • Free Shipping
  • $94.76 - $95.96
Industrial Grade Serial Server 4 port Serial RS232/485/422 Device 10/100Mbps Full Duplex /Half Duplex dual ethernet RJ45 to com
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  • $133.97 
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FOR RS232 to RS485 serial port Data Interface Adapter Converter 1.2KM 3 Bit
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FOR RS232 to RS485 serial port Data Interface Adapter Converter 1.2KM 3 Bit

Limited time offer, ends 06/14

  • Model #: C5KU.042349
  • $14.48 - $15.88
DTECH 10 Feet USB 2.0 to RS232 DB9 Serial Port Adapter Cable with FTDI Chipset Supports Windows 11 10 8 7 and Mac Linux
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  • $25.88 
  • Free Shipping
  • $24.68 - $25.88
4-Port USB DB-9 Serial Adapter Solution for Windows Operating Systems
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  • $186.99 
  • Free Shipping
SerialGear 8-Port RS-232 USB to Serial Adapter Data Control Box
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  • $166.29 
  • $3.99 Shipping
SerialGear USB to Dual Serial RS-422/RS-485 Port Mountable Converter
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  • $76.99 
  • $3.99 Shipping
SerialGear 16 Port Rack Mountable RS-232 USB-to-Serial Adapter with Built in Power Supply
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  • $429.99 
  • $7.99 Shipping
SERIALGEAR 4-Port USB DB-9 Serial Adapter Solution for Windows Operating Systems
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  • $106.49 
  • $3.99 Shipping