bout this item This HDMI extender has many features that enable to perform in a superior manner, Among those features you will find: 1. One pair as full functional module, no need of setting. 2. CAT-5e/6 cable can substitute HDMI cable to achieve long distance transmission. 3. Follow the standard of IEEE-568B. 4. Transmission distance can be up to 30 Meters for 1080p using CAT-6 cable.