The st12mhdlanrx hdmireg over ip receiver works with the st12mhdlan hdmi over ip extender kit to extend the hdmi audiovideo signal to an additional display or projector through a gigabit lan network for a point to multi point installation up to 100 additional receivers can be added to a single network allowing for a highly scalable installation in a point to multipoint configuration the st12mhdlan and st12mhdlanrx sold separately can be connected through an unmanaged or managed gigabit