The PLH4-27 from MCLI is a Power Divider with Frequency 1.5 to 30 MHz, Insertion Loss 0.25 dB, Isolation 25 dB, Input Power 4000 W, Amplitude Balance 0.1 dB. Tags: Module with Connectors, Lumped Element Power Divider. More details for PLH4-27 can be seen below.