The EPDB400S800P1AA from ECHO Microwave is a Power Divider with Frequency 400 to 800 MHz, Insertion Loss 3.5 dB, Isolation 20 dB, Input Power 1 W, Amplitude Balance 0.2 dB. Tags: Module with Connectors, Wilkinson Power Divider. More details for EPDB400S800P1AA can be seen below.