The ECA2395P20D70A from ECHO Microwave is a Band Pass Filter with Frequency 2.39 to 2.41 GHz, Insertion Loss 2 dB, Rejection 70 dB @ 2350 to 2440MHz, Ripple 0.5 dB, Return Loss 18 dB. Tags: Cavity Filter. More details for ECA2395P20D70A can be seen below.