The D28042 from Clear Microwave, Inc is a Power Divider with Frequency 800 MHz to 4.2 GHz, Insertion Loss 0.3 to 0.45 dB, Isolation 20 to 22 dB, Input Power 30 W, Amplitude Balance 0.05 dB. Tags: Module with Connectors, Through Hole, Multi-Octave Power Divider. More details for D28042 can be seen below.