The D25004 from Clear Microwave, Inc is a Power Divider with Frequency 500 MHz to 4 GHz, Insertion Loss 0.45 to 0.55 dB, Isolation 20 to 22 dB, Input Power 50 W, Amplitude Balance 0.05 dB. Tags: Module with Connectors, Through Hole, Multi-Octave Power Divider. More details for D25004 can be seen below.