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For MOXA  Isolated 4-Port RS-422/485 PCI Multi Serial Port Card CP-134U-I
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  • $168.22 
  • Free Shipping
CP-132I PCI Multi-Serial Card 2-Port RS-422/485
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  • $186.48 
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Communication card isolation protection serial port card VXC-142iAU
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  • $166.11 
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Industrial Grade PCI-E Serial Port Expansion Card UT-792I
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  • $94.29 
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SCM RDM6300 ID card reader module RFID RF module UART serial port output
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  • $14.47 
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ESP-M1 ESP8285 Modules, 10PCS, Serial Port Connectivity, Enhanced Transmission
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  • $26.89 
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RS-422/485 CI-132I CI-132IS ISA bus industrial serial port card
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  • $288.09 
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For Advantech Communication Card 2-Port RS-422/485 ISA Serial Card PCL-745 REV.B1
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  • $229.52 
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ESP32S 38pin purple expansion board for IoT development, NodeMCU-32S, Lua, serial port
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  • $13.68 
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