The ZB4CS-440-12W from Mini Circuits is a Power Divider with Frequency 100 to 440 MHz, Insertion Loss 0.6 to 1.2 dB, Isolation 17 to 27 dB, Input Power 10 W, Amplitude Balance 0.15 dB. Tags: Module with Connectors. More details for ZB4CS-440-12W can be seen below.