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USB to 16 TTL serial port module 1.8V2.5V3.3V5V multi-channel USB to UART CH348Q chip
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  • $83.99 
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IO CREST 8 Port RS-232 DB9 Serial M.2 B+M Key Controller Card SI-ADA15071
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  • $101.99 
  • $5.99 Shipping
IO CREST 2 Port RS-232 DB9 Serial M.2 B+M Key Controller Card SI-ADA15070
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  • $47.99 
  • $5.99 Shipping
Moxa Americas,Inc. - MGATE MB3170-1 Port Modbus TCP to Serial Communication Gateway
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  • $389.99 
  • $5.00 Shipping
Moxa Americas,Inc. - MGATE MB3170-1 Port Modbus TCP to Serial Communication Gateway
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  • $389.99 
  • $5.00 Shipping
MOXA NPort 5150-1 Port RS-232/422/485 Serial Device Server
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  • $186.99 
  • $5.00 Shipping
Tripp Lite Keyspan High-Speed 4-Port RS232 Serial DB9 to USB Adapter Hub(USA-49WG)
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  • $148.99 
  • $5.99 Shipping