The ECRA1565F1584F30A from ECHO Microwave is a Band Stop Filter with Stopband Frequency 1565 to 1584 MHz, Bandwidth 19 MHz, Insertion Loss 2.8 dB, Rejection 30 dB. Tags: Module with Connectors, Notch Filter, Cavity Filter. More details for ECRA1565F1584F30A can be seen below.