The PD0001-S2 from Inmet by Spectrum Control is a Power Divider with Frequency 500 to 1000 MHz, Insertion Loss 0.25 dB, Isolation 22 dB, Input Power 10 W, Phase Balance 2 Degrees. Tags: Module with Connectors, Wilkinson Power Divider. More details for PD0001-S2 can be seen below.