extender

I already use several extenders in the auditorium I run.(Extenders being a pair of devices, one that converts a standard signal to Cat5-6 networking cable to another device that converts it back to the original standard, for instance HDMI-Cat5e-HDMI, for extending the signal over a much...

How come people here are wrongly calling "extenders", devices that allow you to extend HDMI (or other) signals from one location to another via CAT5/5e/6, etc. cable, "baluns"?For instance one post specifically calls the "Atlona AT-HD4-SI40SR" a "balun" while the manufacturer specifically...