The D57001 from Clear Microwave, Inc is a Power Divider with Frequency 698 MHz to 1 GHz, Insertion Loss 0.4 to 0.6 dB, Isolation 20 to 22 dB, Input Power 50 W, Amplitude Balance 0.1 dB. Tags: Module with Connectors, Through Hole. More details for D57001 can be seen below.