Features: Dual Input Optical Receiver ( Rf Switch) Agc Optical Modules For Both Inputs Automatic Switching Between 2 Fiber Inputs Uniterrupted Fixed Rf Output Level Predefined Auto Switch Over From Primary Input To Secondary Input To Mainatin Stable Rf Quality Digital Optical Power Display Of Primary And Secodary Fiber Inputs Separate Gain And Slope Controls For Both Fiber Inputs Optical Input (A) : +2 To-5 Dbm Optical Input (B) : +2 To -10 Dbm Switchover Level : -5 Dbm Models Available :- Rf Switch Agc/Smps Rfswitch/Agc/Transformer