Mb-hd60i is a hdmi and ir signal extender that allows to transmit hdmi1.4a signal and bi-directional ir signal up to 197ft(60m) via one cat5e/6 cable, 480i hdmi signal up to 328ft(100m).It use advanced technology , supporting edid, cec, vesa ddc and hpd .The superior interference rejection and low emissions .Mb-hd60 allow hdmi1.4a signal to be transmitted in any harsh environment . It has built-in surge suppressor to protect hdmi equipment against damaging voltage spikes. Its crosstalk and noise immunity ensure quality hdmi signal.So it is widely used in high definition advertising system, conference system, family entertainment and.