The D58001 from Clear Microwave, Inc is a Power Divider with Frequency 1.2 to 1.6 GHz, Insertion Loss 0.4 to 0.6 dB, Isolation 22 to 24 dB, Input Power 50 W, Amplitude Balance 0.1 dB. Tags: Module with Connectors, Through Hole. More details for D58001 can be seen below.