The ECA416P8D70B from ECHO Microwave is a Band Pass Filter with Frequency 412.46 to 420 MHz, Insertion Loss 2 dB, Rejection 70 dB @ 422 to 424.8MHz, Ripple 1.5 dB, Return Loss 20 dB. Tags: Cavity Filter. More details for ECA416P8D70B can be seen below.