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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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uni® USB C Hub w/ USB C, Multi-port USB Adapter | 1G Ethernet | 100W PD | 4K HDMI
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USB to RS232 DB9/DB25 Serial Adapter - Serial Cards & Adapters | StarTech. com
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HP USB to Serial Port Adapter J7B60AA B&H Photo Video
USB to 4-Port RS-232 DB9 Serial Interface Adapter - Sealevel
