The AE1455WN2278 from Anatech Electronics is a Band Stop Filter with Stopband Frequency 1.446 to 1.464 GHz, Insertion Loss 2 dB, Rejection 30 dB, Power 20 W, VSWR 1.50:1. Tags: Module with Connectors, Notch Filter. More details for AE1455WN2278 can be seen below.