The PS4-89/NF from MCLI is a Power Divider with Frequency 400 to 2700 MHz, Insertion Loss 1.3 dB, Isolation 19 dB, Input Power 20 W, Amplitude Balance 0.5 dB. Tags: Module with Connectors, Stripline Power Divider. More details for PS4-89/NF can be seen below.