The EDA4G1500P140E28 from ECHO Microwave is a Band Pass Filter with Frequency 1.43 to 1.57 GHz, Insertion Loss 2.5 dB, Rejection 28 dB @ 1620MHz, Return Loss 15 dB. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for EDA4G1500P140E28 can be seen below.