The PDM-21-15G SQ from Crane Aerospace & Electronics is a Power Divider with Frequency 12000 to 18000 MHz, Insertion Loss 0.7 dB, Isolation 19 dB, Input Power 2 W, Amplitude Balance ±0.2 dB. Tags: Module with Connectors, Wilkinson Power Divider. More details for PDM-21-15G SQ can be seen below.