The EDA6E1539P42G13 from ECHO Microwave is a Band Pass Filter with Frequency 1.52 to 1.56 GHz, Insertion Loss 3.3 dB, Rejection 13 to 50 dB, Return Loss 14 dB. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for EDA6E1539P42G13 can be seen below.