The PD4-8-18-30 from Analog Microwave Design is a Power Divider with Frequency 8 to 18 GHz, Insertion Loss 1 to 1.2 dB, Isolation 16 to 18 dB, Input Power 30 W, Amplitude Balance ± 0.25 dB. Tags: Module with Connectors. More details for PD4-8-18-30 can be seen below.