Extend a vga signal with audio over cat 5 or better cabling with rgb skew calibration for near perfect picture qualityr r control wheel on receiver offers advanced fine tuning options such as display signal toggle onoff audio volume rgb skew calibration eq and gainr high resolution and long range extender for vga and audio cat5 extender supporting 1920x1080 at 300m 950ftr r the st122utpal vga and audio over cat5 video extender long range lets you extend a vga video signal as well as th