The EHMA8C10550P30F30B from ECHO Microwave is a Band Pass Filter with Frequency 10.535 to 10.565 GHz, Insertion Loss 3 dB, Rejection 30 @ 10400MHz, 30 @ 10700MHz, Power 20 W, Return Loss 15 dB. Tags: Module with Connectors, Surface Mount, Ceramic Filter. More details for EHMA8C10550P30F30B can be seen below.