The PD4-41800 from Taylor Microwave, Inc. is a Power Divider with Frequency 4 to 18 GHz, Insertion Loss 1.4 dB, Isolation 20 dB, Input Power 30 W (Up to 200 W), Amplitude Balance ±0.2 dB. Tags: Module with Connectors, Stripline Power Divider. More details for PD4-41800 can be seen below.