The PL4-145/BF from MCLI is a Power Divider with Frequency 45 to 1450 MHz, Insertion Loss 2.9 dB, Isolation 15 dB, Input Power 1 W, Amplitude Balance 1 dB. Tags: Module with Connectors, Lumped Element Power Divider. More details for PL4-145/BF can be seen below.