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FOR USB 2.0 to 4 Ports RS232 Adapter Convertor DB9 COM RS-232 Serial Port Multiplier
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  • $128.23 
  • Free Shipping
FOR PCI-8430/2 High-Performance 2-Port Serial RS232
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  • $234.99 
  • Free Shipping
Port module for 3070 3000 7080 7000 7010 MT Serial T5HNR KMW3T
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  • $47.48 
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FOR 2011 RJ45 interface 4 serial port card P/N: 5302635
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  • $406.11 
  • Free Shipping
800L GPRS GSM Module Micro Card BOard Quad-band TTL Serial Port 8266 32
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  • $14.99 
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Type C USB to TTL serial port ch340n module upgrade MCU download brush line
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  • $13.99 
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Smallest 800L GPRS GSM Module Micro Card BOard Quad-band TTL Serial Port
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  • $13.99 
  • Free Shipping