The 15DY-20D70 from Clear Microwave, Inc is a Power Divider with Frequency 20.2 to 21.2 GHz, Insertion Loss 2.3 to 2.7 dB, Isolation 16 to 18 dB, Input Power 8 W, Amplitude Balance 0.35 dB. Tags: Module with Connectors, Through Hole. More details for 15DY-20D70 can be seen below.