The D440 from Clear Microwave, Inc is a Power Divider with Frequency DC to 40 GHz, Insertion Loss 3.7 to 4.2 dB, Input Power 2 W, Amplitude Balance 0.4 to 0.6 dB, Phase Balance 6 to 9 Degree. Tags: Through Hole, Resistive Power Divider. More details for D440 can be seen below.