The EPDH4000S8000P1AA from ECHO Microwave is a Power Divider with Frequency 4000 to 8000 MHz, Insertion Loss 11 dB, Isolation 20 dB, Input Power 1 W, Return Loss 18 dB. Tags: Module with Connectors, Wilkinson Power Divider. More details for EPDH4000S8000P1AA can be seen below.