The PL12-3/NF from MCLI is a Power Divider with Frequency 100 to 1000 MHz, Insertion Loss 2.4 dB, Isolation 25 dB, Amplitude Balance 0.4 dB, Phase Balance 8 deg. Tags: Module with Connectors, Lumped Element Power Divider. More details for PL12-3/NF can be seen below.