The EDEA4F1650P50J40A from ECHO Microwave is a Band Pass Filter with Frequency 1.63 to 1.68 GHz, Insertion Loss 5 dB, Rejection 40 dB @ 1518 to 1559MHz, Return Loss 15 dB. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for EDEA4F1650P50J40A can be seen below.