The AE1980WN2282 from Anatech Electronics is a Band Stop Filter with Stopband Frequency 1.97 to 1.99 GHz, Insertion Loss 2 dB, Rejection 40 dB, Power 20 W, VSWR 1.50:1. Tags: Module with Connectors, Notch Filter. More details for AE1980WN2282 can be seen below.