The D55001 from Clear Microwave, Inc is a Power Divider with Frequency 500 MHz to 1 GHz, Insertion Loss 0.6 to 0.8 dB, Isolation 20 to 22 dB, Input Power 50 W, Amplitude Balance 0.1 dB. Tags: Module with Connectors, Through Hole, Octave Power Divider. More details for D55001 can be seen below.