The AE2145NS2200 from Anatech Electronics is a Band Stop Filter with Stopband Frequency 2.11 to 2.18 GHz, Bandwidth 70 MHz, Insertion Loss 0.6 to 1 dB, Rejection 50 dB, Power 2 W. Tags: Module with Connectors, Notch Filter. More details for AE2145NS2200 can be seen below.