The PD4-12-18-30 from Analog Microwave Design is a Power Divider with Frequency 12 to 18 GHz, Insertion Loss 0.6 to 1 dB, Isolation 16 to 18 dB, Input Power 30 W, Amplitude Balance ± 0.5 dB. Tags: Module with Connectors. More details for PD4-12-18-30 can be seen below.