The WVR-896B-0.2M01 from Wevercomm is a Band Stop Filter with Stopband Frequency 896.2 to 896.6 MHz, Bandwidth 0.4 MHz, Insertion Loss 1 dB, Rejection 50 dB Min @896MHz, Power 10 W. Tags: Module with Connectors, Cavity Filter, Notch Filter. More details for WVR-896B-0.2M01 can be seen below.