The AE887-946NS2192 from Anatech Electronics is a Band Stop Filter with Stopband Frequency 877 to 956 MHz, Bandwidth 20 to 21 MHz, Insertion Loss 1.2 dB, Rejection 40 dB, Power 40 W. Tags: Module with Connectors, Cavity Filter, Notch Filter. More details for AE887-946NS2192 can be seen below.