USB 2.0 Extender Over Cat5e/Cat6, 150m - USB Extenders | StarTech.com
3.5mm Stereo Audio Set TRS Extender Over Ethernet Cable (up to 250 ft.)
StarTech.com HDMI Over CAT5e / CAT6 Extender with Power Over Cable - 165 ft (50m) HDMI Video/Audio Over Dual Ethernet Cable Extender (ST121SHD50) - video/audio extender
5pcs Cat5 Rj45 Coupler Jointer Network Cable Extender Adapter Connector For Ethernet Cable Female To Female - Pc Hardware Cables & Adapters - AliExpress