The D21840 from Clear Microwave, Inc is a Power Divider with Frequency 18 to 40 GHz, Insertion Loss 0.9 to 1.2 dB, Isolation 13 to 16 dB, Input Power 50 W, Amplitude Balance 0.1 dB. Tags: Module with Connectors, Through Hole, Multi-Octave Power Divider. More details for D21840 can be seen below.