The 151-135-004 from Broadwave Technologies is a Power Divider with Frequency 5.4 to 5.9 GHz, Insertion Loss 1.5 dB, Isolation 20 to 25 dB, Input Power 1 W, Amplitude Balance ±0.4 dB. Tags: Module with Connectors, Reactive Power Divider. More details for 151-135-004 can be seen below.