The ECA452C460G8E60A from ECHO Microwave is a Band Pass Filter with Frequency 452 to 463 MHz, Insertion Loss 1.5 dB, Rejection 60 dB @ 457.1 to 457.3MHz, Ripple 1 dB, Return Loss 20 dB. Tags: Cavity Filter. More details for ECA452C460G8E60A can be seen below.