The WRCT10-2011.5-2015-2020-2023.5-50-2 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 2.015 to 2.02 GHz, Bandwidth 5 MHz, Insertion Loss 1.25 to 2 dB, Rejection 50 dB, VSWR 1.50:1. Tags: Module with Connectors, Cavity Filter. More details for WRCT10-2011.5-2015-2020-2023.5-50-2 can be seen below.