The PD4-0R518 from Marki Microwave is a Power Divider with Frequency 500 MHz to 18 GHz, Insertion Loss 1.5 dB, Isolation 9 to 25 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 PD4-0R518 can be seen below.