MODEL 1111 WORKS WITH DBS DISHES. The GlassLink model 1111 is designed to work with all small dish satellite systems which use the 950 MHz to 1450 MHz block down frequencies. Model 1111 passes the signal from the dish, through the glass, to the receiver. It also passes the control voltages and dish power from the receiver back up to the dish. There is no loss of signal quality when using the GlassLink model 1111. The model 1111 is for single pane windows. Do not use on sliding glass doors.