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 ...

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

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 ...

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 ...

HDMI 1.4 does introduce, however, one area where this will not be so: the provision for an Ethernet connection and an Audio Return Channel. In HDMI versions 1.3a and before, the HDMI cable and its ...

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.