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USB to RS232 Adapter with FTDI Chipset, USB to RS232 Male DB9 Serial Converter for Cashier Register, Modem, Scanner, Industrial Machinery, CNC, Black
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  • $30.98 - $32.18
PCI-E 4 Serial port card pcie to COM9 pin RS232 Industrial control serial port expansion card AX99100 chip
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  • $43.57 - $44.77
PCI-E 1 Serial port card pcie to COM9 pin RS232 Industrial control serial port expansion card AX99100 chip
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  • $32.49 - $33.69
MAX3232 RS232 to TTL Serial Port Converter Module DB9 Connector MAX232
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  • $13.97 
  • $5.00 Shipping
PCI-E 1 Parallel port 1 Serial card pcie to COM9 pin RS232 industrial control serial port expansion card AX99100 chip
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  • $35.53 - $36.73
PCI-E 1 Parallel port 2 Serial card pcie to COM9 pin RS232 industrial control serial port expansion card AX99100 chip
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  • $38.63 - $39.83
3.3V 5V TTL Turn To RS485 Module Serial UART Level Mutual Conversion Power Supply Module
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ESP8266 Wireless Module 0.96 Inch OLED Display ESP8266 Serial Port WiFi Module Micro USB CH340G
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BX-5U2 USB and serial dual ports onbon led scrolling sign controller BX led card
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  • $112.32 
  • Free Shipping
PCI-E 1 and the pcie to COM9 pin RS232 industrial serial port expansion card AX99100 chip
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  • $32.53 - $33.73
for H81 Main Board H81M-D R2.0 H81M-E 1150 Interface COM Serial Port Parallel Port
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  • $148.10 
  • Free Shipping
3.3V 5V TTL Turn To RS485 Module Serial UART Level Mutual Conversion Power Supply Module
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