The WRCD20-1910.5-1912.5-1932.5-1934.5-40-3 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 1.9125 to 1.9325 GHz, Bandwidth 20 MHz, Insertion Loss 2 to 3.5 dB, Rejection 40 dB, VSWR 1.50:1. Tags: Module with Connectors, Cavity Filter. More details for WRCD20-1910.5-1912.5-1932.5-1934.5-40-3 can be seen below.