The PDM-241-3.8G SQ from Crane Aerospace & Electronics is a Power Divider with Frequency 3.4 to 4.2 GHz, Insertion Loss 0.6 dB, Isolation 20 dB, Input Power 1 W, Amplitude Balance ±0.3 dB. Tags: Module with Connectors. More details for PDM-241-3.8G SQ can be seen below.