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FOR Dual 2 ports Serial 9 pin DB9 RS232 Motherboard Com Ribbon Cable slot Bracket
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  • $17.50 
  • Free Shipping
3.3V UART serial to RS485 SP3485 Transceiver Converter Communication Module
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  • $18.90 
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FOR USB Serial Port CH340 CP2102 to TTL/ RS485/ RS232 Full Interoperability
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  • $24.30 
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CH343P USB to Serial/TTL UART Module 3.3V 5V Switch Instead CH340
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  • $17.90 
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FOR PCIe to 2 Ports DB9 RS232 Serial DB25 LPT Converter card AX99100 Chipset
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  • $29.70 
  • Free Shipping
1pcs/lot USB 2.0 to UART TTL 6PIN Connector Module Serial Converter CP2102
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  • $17.90 
  • Free Shipping