The PL2-19-S/BF from MCLI is a Power Divider with Frequency 500 to 1000 MHz, Insertion Loss 0.8 dB, Isolation 15 dB, Amplitude Balance 0.3 dB, Phase Balance 3 deg. Tags: Module with Connectors, Lumped Element Power Divider. More details for PL2-19-S/BF can be seen below.