For distances up to 300 feet, similarly priced adapters are available that make use of coaxial cable. One catch: HDMI over coaxial solutions usually require a minimum of two coax cables ...

Unlike optical and coaxial, there isn’t really a similar rival out there. You'll find HDMI inputs and outputs a firm fixture on the best TVs, Blu-ray players, AV receivers and, increasingly, soundbars ...

you’ll be able to ditch the USB power adapter, giving you a cleaner installation. If this sounds suspiciously like RedMere technology — which some HDMI cables use to harvest a little extra ...