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TECHTOO® 4 Port Professional FTDI CHIP USB to Serial RS232 DB9 Adapter Cable : Amazon.in: Computers & Accessories
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Amazon.com: Tripp Lite Keyspan High-Speed USB to Serial Adapter, PC & Mac, USB-A to DB9 RS232 Male, 3 Foot / 0.91 Meter Cable, 3-Year Warranty (USA-19HS) : Electronics
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