The P2-21-450/4S from Pulsar Microwave is a Power Divider with Frequency 5 MHz to 3 GHz, Insertion Loss 2.5 dB, Isolation 15 dB, Input Power 1 W, Amplitude Balance 0.5 dB. Tags: Module with Connectors. More details for P2-21-450/4S can be seen below.