The ECRA2610F2690C40B from ECHO Microwave is a Band Stop Filter with Stopband Frequency 2500 to 2570 MHz, Bandwidth 70 MHz, Insertion Loss 1.5 dB, Rejection 40 dB. Tags: Module with Connectors, Notch Filter, Cavity Filter. More details for ECRA2610F2690C40B can be seen below.