The PL4-19/NF from MCLI is a Power Divider with Frequency 1 to 250 MHz, Insertion Loss 1.2 dB, Isolation 20 dB, Amplitude Balance 0.3 dB, Phase Balance 4 deg. Tags: Module with Connectors, Lumped Element Power Divider. More details for PL4-19/NF can be seen below.