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Amazon.com: Cable Matters USB C to Serial Adapter Cable (USB-C to Serial, USB C to DB9, USB C to RS232) 3 ft - Thunderbolt 4 / USB4 / Thunderbolt 3 Port Compatible
Tripp Lite USB-C to Serial Adapter (DB9) - Keyspan, High-Speed (M/M), Detachable Cable, TAA - serial adapter - USB - - USA-19HS-C - USB Adapters - CDW.com
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Amazon.com: Tripp Lite USB-C to DB9 Serial Adapter Cable, 5' USB 2.0 Type C to RS-232 (M/M), 5ft (U209-005-C) : Electronics
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3ft USB to Serial Cable/RS232 Adapter - Serial Cards & Adapters | Add-on Cards & Peripherals | StarTech.com
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