The AE5250WN2255 from Anatech Electronics is a Band Stop Filter with Stopband Frequency 5.15 to 5.35 GHz, Insertion Loss 3 dB, Rejection 45 dB, Power 50 W, VSWR 1.80:1. Tags: Module with Connectors, Notch Filter. More details for AE5250WN2255 can be seen below.