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USB TO Serial port Multi-function converter Module RS232 TTL CH340 SP232 IC WIN10 for Pro mini STM32 AVR PLC PTZ Modubs
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Startech .com 3ft (1m) USB to Serial Cable, DB9 Male RS232 to USB Converter, USB to Serial Adapter, COM Port Adapter with Prolific IC -... 1P3FP-USB-SERIAL - Corporate Armor
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Amazon.com: StarTech.com 3ft (1m) USB to Serial Cable, DB9 Male RS232 to USB Converter, Prolific IC, USB to Serial Adapter for PLC/Printer/Scanner/Switch, USB to COM Port Adapter, Windows/Mac (1P3FP-USB-SERIAL) : Electronics
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