PDR Resistive Dividers Dielectric Laboratories / Knowles PDR Resistive Dividers are ideal for applications where small size and broadband performance are crucial for success. The splitters provide low excessive losses from DC to 40GHz or DC to 20GHz (PDR06390) with a 20dB return loss on all ports. Flip-chip solder surface mount and epoxy mount options are available. These components can be utilized in optical and test/measurement markets.