The PS4-4/TF from MCLI is a Power Divider with Frequency 500 to 2500 MHz, Insertion Loss 0.7 dB, Isolation 18 dB, Input Power 30 W, Amplitude Balance 0.3 dB. Tags: Module with Connectors, Stripline Power Divider. More details for PS4-4/TF can be seen below.