The PDM-21-19.25G SQ from Crane Aerospace & Electronics is a Power Divider with Frequency 18.3 to 20.2 GHz, Insertion Loss 0.8 dB, Isolation 19 dB, Input Power 10 W, Amplitude Balance ±0.5 dB. Tags: Module with Connectors. More details for PDM-21-19.25G SQ can be seen below.