The WRCGV5-1837.5-1912.5-1932.5-2007.5-70-3 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 1.9125 to 1.9325 GHz, Bandwidth 20 MHz, Insertion Loss 0.4 to 0.5 dB, Rejection 70 dB, VSWR 1.50:1. Tags: Module with Connectors, Cavity Filter. More details for WRCGV5-1837.5-1912.5-1932.5-2007.5-70-3 can be seen below.