The EDA6D1575P20E45 from ECHO Microwave is a Band Pass Filter with Frequency 1.57 to 1.59 GHz, Insertion Loss 2.5 dB, Rejection 30 to 45 dB, Return Loss 15 dB. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for EDA6D1575P20E45 can be seen below.