The ECA2410P20A80A from ECHO Microwave is a Band Pass Filter with Frequency 2.4 to 2.42 GHz, Insertion Loss 0.5 dB, Rejection 80 dB @ 2500 to 2520MHz, Ripple 0.2 dB, Return Loss 15 dB. Tags: Cavity Filter. More details for ECA2410P20A80A can be seen below.