The WM4PD-4-18-S from Werbel Microwave is a Power Divider with Frequency 4 to 18 GHz, Insertion Loss 0.7 to 1 dB, Isolation 18 to 21 dB, Input Power 30 W, Amplitude Balance 0.4 to 0.6 dB. Tags: Module with Connectors. More details for WM4PD-4-18-S can be seen below.