The ECRA3510R3595R15J88A from ECHO Microwave is a Band Stop Filter with Stopband Frequency 3510 to 3595 MHz, Bandwidth 85 MHz, Insertion Loss 2.5 dB, Rejection 88 dB. Tags: Module with Connectors, Notch Filter, Cavity Filter. More details for ECRA3510R3595R15J88A can be seen below.