The PD4-0R526 from Marki Microwave is a Power Divider with Frequency 500 MHz to 26.5 GHz, Insertion Loss 2.5 dB, Isolation 9 to 22 dB, Input Power 1 to 10 W, Amplitude Balance ±0.25 to ±0.75 dB. Tags: Module with Connectors, Wilkinson Power Divider. More details for PD4-0R526 can be seen below.