Amazon.com: Plugable USB to Serial Adapter Compatible with Windows, Mac, Linux (RS-232 / DB9 DTE Male Connector, Prolific PL2303HX Rev. D Chipset) : Electronics
USB/Serial Converter [FT232RL] : ID 18 : $17.50 : Adafruit Industries, Unique & fun DIY electronics and kits
IOGEAR - GUC232A - USB to Serial Adapter
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USB to Serial Adapter
USB to Serial RS-232 DB9 Adapter Cable 8900110 Accessories - JULABO USA
Amazon.com: TRENDnet USB to Serial 9-Pin Converter Cable, Connect a RS-232 Serial Device to a USB 2.0 Port, Supports Windows & Mac, USB 1.1, USB 2.0, USB 3.0, 21 Inch Cable Length,
Tripp Lite Keyspan High Speed USB to Serial Adapter 3ft USB Cable TAA - USA-19HS - -
USB to Serial adapter for the FLEX-6000 series – FlexRadio
USB to RS232 Serial Converter -- DataPro
Mini USB 2.0 to RS-232 DB-9 Serial Adapter w/ 15kV ESD Protection & 3ft. USB Extension Cable
USB to Serial Adapter Cable
3' USB to RS232 DB9 Serial Adapter Cable - Serial Cards & Adapters | StarTech.com
1 Port USB 2.0 to Serial Adapter Cable - Serial Cards & Adapters | StarTech.com
Pololu USB-to-Serial Adapter
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