The 2089-6403-00 from MACOM is a Power Divider with Frequency 4 to 8 GHz, Insertion Loss 0.5 dB, Isolation 20 dB, Input Power 4 W, Amplitude Balance 0.4 dB. Tags: Module with Connectors, Wilkinson Power Divider. More details for 2089-6403-00 can be seen below.