The ZB4CS-870-10W from Mini Circuits is a Power Divider with Frequency 570 to 870 MHz, Insertion Loss 0.35 to 0.8 dB, Isolation 20 to 28 dB, Input Power 20 dB, Amplitude Balance 0.1 dB. Tags: Module with Connectors. More details for ZB4CS-870-10W can be seen below.