The WRCD10-1960.635-1961.885-1963.115-1964.365-40 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 1.961885 to 1.963115 GHz, Bandwidth 1.23 MHz, Insertion Loss 1.25 to 3 dB, Rejection 40 dB, VSWR 1.50:1. Tags: Module with Connectors, Cavity Filter. More details for WRCD10-1960.635-1961.885-1963.115-1964.365-40 can be seen below.