The PD4S-12400 from Taylor Microwave, Inc. is a Power Divider with Frequency 12 to 40 GHz, Insertion Loss 1 dB, Isolation 15 dB, Input Power 10 W (Up to 200 W), Amplitude Balance ±0.25 dB. Tags: Module with Connectors, Stripline Power Divider. More details for PD4S-12400 can be seen below.