The PD4-4-8-30 from Analog Microwave Design is a Power Divider with Frequency 4 to 8 GHz, Insertion Loss 0.4 to 0.6 dB, Isolation 18 to 20 dB, Input Power 30 W, Amplitude Balance ± 0.25 dB. Tags: Module with Connectors. More details for PD4-4-8-30 can be seen below.