The WRCGV10-1900-1920-1980-2000-50-1 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 1.92 to 1.98 GHz, Bandwidth 60 MHz, Insertion Loss 0.75 to 1.75 dB, Rejection 50 dB, VSWR 1.50:1. Tags: Module with Connectors, Cavity Filter. More details for WRCGV10-1900-1920-1980-2000-50-1 can be seen below.