The AE1492WN2254 from Anatech Electronics is a Band Stop Filter with Stopband Frequency 1.475 to 1.51 GHz, Insertion Loss 2 dB, Rejection 40 dB, Power 10 W, VSWR 1.50:1. Tags: Module with Connectors, Notch Filter. More details for AE1492WN2254 can be seen below.