The PDM-21-2.25G SQ from Crane Aerospace & Electronics is a Power Divider with Frequency 1500 to 3000 MHz, Insertion Loss 0.3 dB, Isolation 22 dB, Input Power 2 W, Amplitude Balance ±0.2 dB. Tags: Module with Connectors, Wilkinson Power Divider. More details for PDM-21-2.25G SQ can be seen below.