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StarTech.com USB to Serial Adapter - Detachable 6 ft USB A-B Cable - Prolific PL-2303 - USB to RS232 Adapter Cable - Add an RS232 serial port to your laptop or desktop
Keyspan RS232 to USB-A Adapter, DB9, 3-ft Cable | Eaton
FTDI TTL-232RG-VSW5V USB to TC2030-NL Test Cable | Tag-Connect
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Insignia™ 1.3' USB-to-RS-232 (DB9) PDA/Serial Adapter Cable, with Prolific Chipset Black NS-PU99501 - Best Buy
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TTL-232R-3V3 - Ftdi - Cable, USB to TTL Level, Serial Converter
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USB to RS232 Converter - 6ft - CAB-11304 - SparkFun Electronics
USB to RS232 Converter Cable 1.0 meter - UMC-201
USB to Serial adapter for the FLEX-6000 series – FlexRadio
Mini USB 2.0 to RS-232 DB-9 Serial Adapter w/ 15kV ESD Protection & 3ft. USB Extension Cable
USB to Dual Serial RS-232 Converter USB to Serial Adapter Cable
