The 4152A from Inmet by Spectrum Control is a Power Divider with Frequency 7.2 to 10.8 GHz, Insertion Loss 0.6 dB, Isolation 20 dB, Input Power 2 W, Amplitude Balance 0.4 dB. Tags: Module with Connectors, Wilkinson Power Divider. More details for 4152A can be seen below.