The EDA4B302P5E30 from ECHO Microwave is a Band Pass Filter with Frequency 300 to 305 MHz, Insertion Loss 2.5 dB, Rejection 30 dB @ Fc ± 40MHz, Return Loss 15 dB. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for EDA4B302P5E30 can be seen below.