The WRCGV5-1900-1930-1990-2020-20-3 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 1.93 to 1.99 GHz, Bandwidth 60 MHz, Insertion Loss 0.5 to 0.75 dB, Rejection 20 dB, VSWR 1.50:1. Tags: Module with Connectors, Cavity Filter. More details for WRCGV5-1900-1930-1990-2020-20-3 can be seen below.