The PS4-03-452/4S from Pulsar Microwave is a Power Divider with Frequency 1000 to 2000 MHz, Insertion Loss 0.8 dB, Isolation 20 dB, Input Power 30 W, Amplitude Balance 0.4 dB. Tags: Module with Connectors. More details for PS4-03-452/4S can be seen below.