The AE2442WN2223 from Anatech Electronics is a Band Stop Filter with Stopband Frequency 2.4 to 2.485 GHz, Insertion Loss 1.5 dB, Rejection 50 dB, Power 50 W, Return Loss 12 to 14 dB. Tags: Module with Connectors, Notch Filter. More details for AE2442WN2223 can be seen below.