The PD4-1-4-30 from Analog Microwave Design is a Power Divider with Frequency 1 to 4 GHz, Insertion Loss 0.4 to 0.8 dB, Isolation 16 to 22 dB, Input Power 30 W, Amplitude Balance ± 0.4 dB. Tags: Module with Connectors. More details for PD4-1-4-30 can be seen below.