The PDML-20-81 SQ from Crane Aerospace & Electronics is a Power Divider with Frequency 21.25 to 141.25 MHz, Insertion Loss 0.5 dB, Isolation 30 dB, Input Power 1 W, Amplitude Balance ±0.2 dB. Tags: Module with Connectors. More details for PDML-20-81 SQ can be seen below.