The D30309 from Clear Microwave, Inc is a Power Divider with Frequency 3 to 9 GHz, Insertion Loss 0.5 to 0.7 dB, Isolation 19 to 22 dB, Input Power 50 W, Amplitude Balance 0.1 dB. Tags: Module with Connectors, Through Hole, Multi-Octave Power Divider. More details for D30309 can be seen below.