The AE1000WN2276 from Anatech Electronics is a Band Stop Filter with Stopband Frequency 970 MHz to 1.03 GHz, Insertion Loss 2 dB, Rejection 50 dB, Power 10 W, VSWR 1.70:1. Tags: Module with Connectors, Notch Filter. More details for AE1000WN2276 can be seen below.