The PLH4-11/SM from MCLI is a Power Divider with Frequency 20 to 500 MHz, Insertion Loss 0.65 dB, Isolation 20 dB, Input Power 25 W, Amplitude Balance 0.25 dB. Tags: Module with Connectors, Lumped Element Power Divider. More details for PLH4-11/SM can be seen below.