The PLH2-12 from MCLI is a Power Divider with Frequency 500 to 1000 MHz, Insertion Loss 0.2 dB, Isolation 18 dB, Input Power 1000 W, Amplitude Balance 0.15 dB. Tags: Module with Connectors, Lumped Element Power Divider. More details for PLH2-12 can be seen below.
