The D8-42FN from Microlab is a Power Divider with Frequency 1.1 to 1.65 GHz, Insertion Loss 1.6 dB, Isolation 22 dB, Input Power 0.25W, Amplitude Balance 0.5 dB. Tags: Module with Connectors, Wilkinson Power Divider. More details for D8-42FN can be seen below.