The WRCT20-2047.5-2052.5-2067.5-2072.5-80-1 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 2.0525 to 2.0675 GHz, Bandwidth 15 MHz, Insertion Loss 2.25 to 3.5 dB, Rejection 80 dB, VSWR 1.50:1. Tags: Module with Connectors, Cavity Filter. More details for WRCT20-2047.5-2052.5-2067.5-2072.5-80-1 can be seen below.