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USB to RS232 Converter - 6ft - CAB-11304 - SparkFun Electronics
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Serial Port USB to RS232 Converter USB To Com Adapter - Kichimall Nigeria
Pololu - Parallax USB-to-Serial (RS-232) Adapter #28030
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Tripp Lite USB to Serial Adapter Cable USB-A to DB9 RS-232 M/M 5ft 5' - U209-000-R - -
