The PD4-0140 from Marki Microwave is a Power Divider with Frequency 1 to 40 GHz, Insertion Loss 2.5 dB, Isolation 10 to 20 dB, Input Power 1 to 10 W, Amplitude Balance ±0.4 to ±1.2 dB. Tags: Module with Connectors, Wilkinson Power Divider. More details for PD4-0140 can be seen below.