The ECA2316C2348P3F25BW-DR from ECHO Microwave is a Band Pass Filter with Frequency 2.32 to 2.35 GHz, Insertion Loss 2.7 dB, Rejection 20 to 25 dB, Ripple 1 dB, Return Loss 18 dB. Tags: Cavity Filter. More details for ECA2316C2348P3F25BW-DR can be seen below.