When looking for a 120m HDMI extender, you typically have a couple of options based on the technology used for extending the HDMI signal over that distance. Here are the common types:
1. **HDMI over CAT5e/6 Extenders**: These devices use Ethernet cables (CAT5e or CAT6) to transmit HDMI signals over longer distances. They can typically extend up to 120 meters (393 feet) or more, depending on the specific model. Ensure that both the transmitter and receiver are designed for the maximum distance you need.