The ZPD4S-005265A from ZTS Technologies is a Power Divider with Frequency 500 MHz to 26.5 GHz, Insertion Loss 5.2 dB, Isolation 16 dB, Input Power 30 W, Amplitude Balance ±0.4 dB. Tags: Module with Connectors, Divider/Combiner. More details for ZPD4S-005265A can be seen below.