The ECDA2655P70B25D(Dual) from ECHO Microwave is a Band Pass Filter with Frequency 2.62 to 2.69 GHz, Insertion Loss 0.6 dB, Rejection 25 to 45 dB, Ripple 0.4 dB, Return Loss 18 dB. Tags: Cavity Filter. More details for ECDA2655P70B25D(Dual) can be seen below.