The WRCGV8-1920-1930-1990-2000-25-4 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 1.93 to 1.99 GHz, Bandwidth 60 MHz, Insertion Loss 0.75 to 1.5 dB, Rejection 25 dB, VSWR 1.50:1. Tags: Module with Connectors, Cavity Filter. More details for WRCGV8-1920-1930-1990-2000-25-4 can be seen below.