HD372 is a HDMI extender while using CAT-5E/6 cable as transmission media. Normal HDMI Cable could transmit 10 to 15 meters without loss,so when you want to play your HDTV further away from your HDMI source,you need to use this HDMI over CAT5e/CAT6 extender. By using HD372,the transmission distance can up to 60 meters 1080p.
http://www.hdgenius.net/HD372-HDMI-Network-Extender-By-Cat-5e-6-Cable--up-to-195ft-60m--1080P_p181.html
