The D203 from Clear Microwave, Inc is a Power Divider with Frequency DC to 3 GHz, Insertion Loss 0.15 to 0.25 dB, Input Power 2 W, Amplitude Balance 0.04 to 0.08 dB, Phase Balance 0.2 to 0.4 Degree. Tags: Module with Connectors, Through Hole, Resistive Power Divider. More details for D203 can be seen below.