The OPD10-1000-4-S from Beijing Ocean Microwave Corporation is a Power Divider with Frequency 10 to 100 MHz, Insertion Loss 0.5 to 2 dB, Isolation 18 to 38 dB, Input Power 10 W, Amplitude Balance 0.6 dB. Tags: Module with Connectors. More details for OPD10-1000-4-S can be seen below.