The WRCT20-1993-1995-2020-2022-40-2 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 1.995 to 2.02 GHz, Bandwidth 25 MHz, Insertion Loss 2.25 to 4.5 dB, Rejection 40 dB, VSWR 1.50:1. Tags: Module with Connectors, Cavity Filter. More details for WRCT20-1993-1995-2020-2022-40-2 can be seen below.