AFAIK the ethernet connectivity that HDMI cables might provide is limited to 10 Mb of bandwidth. While you might be able to use it in such a fashion, I don't think you would want to. It's 100Mbs.

The Standard HDMI will support 1080i/60, while the High-Speed HDMI will boost that to data rates beyond 1080p, including Deep Color and all 3D formats of the new 1.4 specification.

As a Thunderbolt dock, it has three Thunderbolt 4 ports, two USB-A 3.2 ports, one USB 2.0, 2.5 Gigabit Ethernet, HDMI 2.1 ...

Octava Inc., specialists in HDMI distribution equipment, announced the release of a HDMI to Ethernet Extender. The HDMI Ethernet converter enables transmission of 1080P HD HDMI digital video and audio ...

The new HDMI 1.4 spec adds a host of new features (and, most likely, a lot of new ways to get scammed on cable purchases) but for those excitedly anticipating Audio Return Channel, HDMI Ethernet ...

Instead the Raspberry Pi CM5 has a pair of 100-pin connectors that let you drop it into a carrier board or other hardware ...

Passive HDMI over Ethernet MorsePacific Jun 15, 2021 Jump to latest Follow Reply ...

The 4×4 HDMI / Ethernet CAT5-6 Matrix Switch supports 1080P HD resolutions. HDMI is the latest standard for distributing High Definition Digital Video and Audio in high def displays for 2 reasons: 1) ...

For instance, the new HDMI Ethernet Channel (HEC) feature will allow up to 100Mbps data transfers between HDMI 1.4 compatible devices.

HDMI is a great technology, but if you have to run the cable over long distances they're not the most reliable. Ethernet cable (or, more correctly, Cat5e/Cat6 cable), on the other hand, is better ...

Mcuzone's CM5 5G Router expansion board is a carrier board for the Raspberry Pi CM5, designed to offer a complete ...

HDBaseT 1.0 has the bandwidth to support full HD 1080p video as well as stereoscopic 3D and 2Kx4K formats. It provides up to 10.2Gb/s (on par with HDMI 1.4) and can theoretically scale up to 20Gb/s.