The AE26NS2130 from Anatech Electronics is a Band Stop Filter with Stopband Frequency 24.7 to 27.3 MHz, Bandwidth 2.6 MHz, Insertion Loss 1 dB, Rejection 50 dB, Return Loss 15 dB. Tags: Module with Connectors, Notch Filter. More details for AE26NS2130 can be seen below.