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PCIe to 2-Port Serial Card, 9-Pin RS232 Adapter Card, Parallel & COM Port Expansion Card, WCH382L 1-Port Serial + 1-Port Parallel
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  • $18.28 
  • Free Shipping
  • $16.88 - $18.28
DTech RS-232 Cable 10ft RS232 Serial Cable Male to Male 9 Pin DB9 Cord Straight Through
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  • $18.87 
  • Free Shipping
  • $16.47 - $18.87
USB to RS232 Adapter with PL2303 Chipset USB 2.0 Male to RS232 Female DB9 Serial Converter Cable 1.5M Supports Windows 10 Mac OS
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  • $21.90 
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  • $19.50 - $21.90
MERCURY SECURITY MR52-S3 Series 3 Dual Reader Interface Module Board
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  • $801.99 
  • $5.99 Shipping
MERCURY SECURITY MR52-S3 Dual Reader Interface Module Board - Series 3
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  • $675.99 
  • $5.99 Shipping
USB to RS232 Serial Adapter 3ft. Cable
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  • $52.99 
  • $5.99 Shipping
PCI-E Serial Port Card, PCIe to COM Port RS232 Interface Adapter, Industrial Expansion Card, AX99100, New Model 1-Port Parallel LPT
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  • $18.99 
  • Free Shipping
  • $17.59 - $18.99
IO CREST 2 Port RS-232 DB9 Serial M.2 B+M Key Controller Card SI-ADA15070
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  • $51.99 
  • $5.99 Shipping
AJA KONA LHi Multi-Format Analog and Digital I/O
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  • $2,445.99 
  • $5.99 Shipping