The 152-045-004 from Broadwave Technologies is a Power Divider with Frequency 0.5 to 4.5 GHz, Insertion Loss 1.5 to 2 dB, Isolation 15 to 20 dB, Input Power 5 W, Amplitude Balance ±0.6 dB. Tags: Module with Connectors, Reactive Power Divider. More details for 152-045-004 can be seen below.