The WRCT40-2049-2050-2070-2071-50-2 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 2.05 to 2.07 GHz, Bandwidth 20 MHz, Insertion Loss 3.5 to 6.5 dB, Rejection 50 dB, VSWR 1.50:1. Tags: Module with Connectors, Cavity Filter. More details for WRCT40-2049-2050-2070-2071-50-2 can be seen below.