The PDM-21M-3G from Crane Aerospace & Electronics is a Power Divider with Frequency 2000 to 4000 MHz, Insertion Loss 0.3 dB, Isolation 20 dB, Input Power 1 to 10 W, Amplitude Balance ±0.2 dB. Tags: Module with Connectors, Stripline Power Divider, Wilkinson Power Divider. More details for PDM-21M-3G can be seen below.