The AE3400WN2272 from Anatech Electronics is a Band Stop Filter with Stopband Frequency 3.3 to 3.5 GHz, Insertion Loss 2 dB, Rejection 40 dB, Power 20 W, VSWR 1.70:1. Tags: Module with Connectors, Notch Filter. More details for AE3400WN2272 can be seen below.