The RS4W0306-S from Talent Microwave Inc is a Power Divider with Frequency 0.3 to 0.6 GHz, Insertion Loss 0.7 dB, Isolation 22 dB, Input Power 30 W, Amplitude Balance ±0.3 dB. Tags: Module with Connectors. More details for RS4W0306-S can be seen below.