The PD4-0.5-18-10 from Analog Microwave Design is a Power Divider with Frequency 500 MHz to 18 GHz, Insertion Loss 3.5 to 6.5 dB, Isolation 18 dB, Input Power 10 W, Amplitude Balance ± 1.4 dB. Tags: Module with Connectors. More details for PD4-0.5-18-10 can be seen below.