The EDA6D358P30E50 from ECHO Microwave is a Band Pass Filter with Frequency 343.6 to 373.6 MHz, Insertion Loss 2.5 dB, Rejection 50 dB @ 258.6MHz, Return Loss 15 dB. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for EDA6D358P30E50 can be seen below.