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Insignia™ 1.3' USB-to-RS-232 (DB9) PDA/Serial Adapter Cable Black NS-PU99501 - Best Buy
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HP USB to Serial Port Adapter J7B60AA B&H Photo Video
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12in. USB 2.0 RS-232 Serial Adapter FTDI Chip 920K with Tx/Rx LED
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FTDI USB-to-Single Port Serial Adapter (USB1PFTDI) - Astro-Physics
Sabrent USB 2.0 to Serial (9-Pin) DB-9 RS-232 Converter Cable, 6-Feet (CB-9P6F) | CB-9P6F
USB to RS-232 DB9 1-Port Serial Interface Adapter - Sealevel
Mini USB 2.0 to RS-232 DB-9 Serial Adapter w/ 10kV Surge Protection & 3ft. USB Extension Cable
