The ECA1425P280B70A from ECHO Microwave is a Band Pass Filter with Frequency 1.29 to 1.57 GHz, Insertion Loss 0.7 dB, Rejection 70 dB @ DC to 1100MHz, Ripple 0.2 dB, Return Loss 15 dB. Tags: Cavity Filter. More details for ECA1425P280B70A can be seen below.