The EDA4E1575P20L65 from ECHO Microwave is a Band Pass Filter with Frequency 1.57 to 1.59 GHz, Insertion Loss 5.84 dB, Rejection 65 dB @ 1505MHz, Return Loss 12 dB. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for EDA4E1575P20L65 can be seen below.