The EDA4D2002P105C28 from ECHO Microwave is a Band Pass Filter with Frequency 1.95 to 2.06 GHz, Insertion Loss 1.2 dB, Rejection 28 to 50 dB, Return Loss 15 dB. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for EDA4D2002P105C28 can be seen below.