Black Box KVM-Extender DisplayPort, UHD 4K, Audio, USB 2.0, RS232 - Transmitter and receiver - KVM / audio / serial / USB extender - CATx - USB - up to 328 ft - Walmart.com
CATX-USB - Adder CATx VGA, USB Computer Access Module
KVM Choice, UK:CATX-USB Adder CAT X USB Computer Access Module (CAM) CIM Standard. Special Offerproduct details
Black Box KVM DVI-D & USB 2.0 over CATx Single-Access
Black Box ACU4222A Servswitch Catx Usb Micro Extender | eBay
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ADDER CATX-USBA-DA CATx USB Dual Computer Access Module (CAM) with Audio