The PS4-40/NF from MCLI is a Power Divider with Frequency 3650 to 4250 MHz, Insertion Loss 0.6 dB, Isolation 19 dB, Input Power 30 W, Amplitude Balance 0.3 dB. Tags: Module with Connectors, Stripline Power Divider. More details for PS4-40/NF can be seen below.