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RS232 DB9 Female to USB 2.0 A Female Serial Cable Adapter Converter 8" Inch 25cm
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  • $20.49 
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CABLEDECONN USB to RS232 Adapter with Prolific PL2303 Chipset USB2.0 Male to RS232 Female DB9 Serial Cable 2m 6ft for Windows XP,Windows Vista,7,8,10,Mac OS 10.6 Above Linux
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  • $36.89 
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BUCIER RS232 COM Female to RJ45 Female Connector Convertor DB9 Serial Port to LAN CAT5 CAT6 RJ45 Network Ethernet Cable Adapter
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  • $38.45 
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DTECH Port Powered RS232 to RS232 Serial Port Isolator Optic Electric Adapter to Protect You PC and RS-232 Device
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DTECH 6 ft RS232 Serial Cable Female to Female 9 Pin Straight Through (Black, 2 Meters)
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  • $17.99 
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UTEK UT-202D Passive RS232 to RS422 Converter RS422 to 9Pin Serial Port Two-way Communication Distance 1.2KM No Need Power
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Direct from YEPLOOK Direct from YEPLOOK
  • $11.77 - $14.77
DTech DB9 Breakout Connector, Male RS232 Serial Adapter, Solderless Module Board with Screw Terminals, Case, Long Bolts, Tail Pipes
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  • $16.99 
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DTech 5 Feet RS232 Serial Cable Female to Female 9 Pin Straight Through (Black, 1.5 Meter)
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  • $18.88 
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USB to RS232 DB9 Serial Cable Converter Adapter with CH340 Chipset for Windows 10 with metal shell
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Direct from YEPLOOK Direct from YEPLOOK
  • $11.41 - $14.41
Gearmo Mini USB to RS485 / RS422 Converter FTDI CHIP with Screw Terminals and Windows 11 Support
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Gearmo Mini USB to RS485 / RS422 Converter FTDI CHIP with Screw Terminals and Windows 11 Support
  • Type: Adapter
  • Color: Black
  • Connector Detail: USB to DB9 (RS-232)
  • Model #: GM-482422
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  • $37.32 
  • $3.99 Shipping
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DTech 15ft COM Port Serial Cable Male to Female RS232 Extension 9 Pin Straight Through Cord
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  • $23.00 
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DTech 1.5ft COM Port Serial Cable Male to Female RS232 Extension 9 Pin Straight Through Cord (0.5 Meter, Black)
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  • $16.66 
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DTech 5ft RS232 Serial Cable Extension Male to Female 9 Pin Straight Through
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  • $16.66 
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DTECH 10ft COM Port Serial Cable Male to Female RS232 Extension 9 Pin Straight Through Cord (3 Meter, Black)
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  • $18.88 
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BUCIER USB Type C to RS232 DB9 Serial Adapter Cable Male to Male Converter Cord PL2303 Chipset with DB9 Female to Female Coupler Connector for Win11/10/8/8.1/7/XP/Vista/Mac OS -1.5M/4.9FT
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  • $26.99 
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UTEK UT-203A RS232 to RS485/422 DB9 Connector Passive Converter Switch with 6Pin Terminal Block Transmission Distance 1.2K
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Direct from YEPLOOK Direct from YEPLOOK
  • $13.33 - $16.33
UTEK UT-201B RS232 to RS485 Converter COM DB9 Industrial-grade Two-way Transmission 1.2KM Communication Protocol No Need Power
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Direct from YEPLOOK Direct from YEPLOOK
  • $8.77 - $11.77
Coolgear USB RS232 Serial Adapter DB9 Male for Windows 7 (32/64 bit) Adapter Only
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  • $23.29 
  • $3.99 Shipping
Direct from CoolGear Direct from CoolGear
Coolgear 72in. USB to RS-232 Serial DB9 Adapter w/ Prolific Chip (Pl-2303HX)
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Coolgear 72in. USB to RS-232 Serial DB9 Adapter w/ Prolific Chip (Pl-2303HX)
  • Color: Black
  • Connector Number: 1
  • Specifications: Serial Modes: RS232
  • Model #: USBG-RS232-P72
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  • $6.27 
  • $3.99 Shipping
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Gearmo 16in. USB 2.0 to RS-232 Serial Converter w/ LED Indicators & FTDI
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Gearmo 16in. USB 2.0 to RS-232 Serial Converter w/ LED Indicators & FTDI
  • Color: Blue
  • Connector Number: 1
  • Specifications: Serial Modes: RS232
  • Model #: GM-FTDI-LED16
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  • $27.77 
  • $3.99 Shipping
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Coolgear USB to RS-422/485 Converter w/ DB9 Male Surge Protection
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Coolgear USB to RS-422/485 Converter w/ DB9 Male Surge Protection
  • Color: Blue
  • Connector Number: 1
  • Specifications: Serial Modes: RS422, RS485
  • Model #: USB-COMi-SI
  •  
  • $79.29 
  • $3.99 Shipping
Direct from CoolGear Direct from CoolGear
MOXA UPort 1130-1 Port USB-to-Serial RS-422/485 Converter
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Belkin Model F2N209-10-T 10 ft. Serial Extension Cable
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Belkin Model F2N209-10-T 10 ft. Serial Extension Cable
  • Type: Serial (COM)
  • Type: Serial
  • Color: Gray
  • Connector Number: 2
  • Model #: F2N209-10-T
  •  
  • $15.99 
SERIAL PORT HEADER  LP BRACKET
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SERIAL PORT HEADER LP BRACKET
  • Type: PCI to Serial Port Card
  • Type: PCI to Serial Port Card
  • Color: Gray
  • Connector Number: 1
  • Model #: PLATE9M16LP
DTech DB9 RS232 Serial Cable Female to Female Null Modem Cord Cross TX RX line for Data Communication (10 Feet, Black)
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  • $19.99 
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DTech DB9 RS232 Serial Cable Female to Female Null Modem Cord Full Handshaking 7 Wire Crossover for Data Communication (1.5 Feet, Black)
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  • $16.88 
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DTech DB9 RS232 Serial Cable Female to Female Null Modem Cord Full Handshaking 7 Wire Crossover for Data Communication (10 Feet, Black)
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  • $18.88 
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DTech DB9 RS232 Serial Cable Male to Female Null Modem Cord Full Handshaking 7 Wire Crossover for Data Communication (10 Feet, Black)
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  • $19.99 
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