The EHMA8C10550P30F30 from ECHO Microwave is a Band Pass Filter with Frequency 10.54 to 10.57 GHz, Insertion Loss 3 dB, Rejection 30 dB @ 10400 MHz, Return Loss 15 dB. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for EHMA8C10550P30F30 can be seen below.