The PS4-27/NF from MCLI is a Power Divider with Frequency 11700 to 12750 MHz, Insertion Loss 2.1 dB, Isolation 14 dB, Input Power 30 W, Amplitude Balance 0.7 dB. Tags: Module with Connectors, Stripline Power Divider. More details for PS4-27/NF can be seen below.