The PL4-40/BF from MCLI is a Power Divider with Frequency 40 to 1450 MHz, Insertion Loss 2.5 dB, Isolation 20 dB, Input Power 1 W, Amplitude Balance 0.6 dB. Tags: Module with Connectors, Lumped Element Power Divider. More details for PL4-40/BF can be seen below.