The PLH4-20 from MCLI is a Power Divider with Frequency 0.01 to 220 MHz, Insertion Loss 1.7 dB, Isolation 20 dB, Input Power 300 W, Amplitude Balance 0.75 dB. Tags: Module with Connectors, Lumped Element Power Divider. More details for PLH4-20 can be seen below.