The WRCT10-2041.995-2044.375-2045.625-2048.005-50 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 2.044375 to 2.045625 GHz, Bandwidth 1.25 MHz, Insertion Loss 1.25 to 1.5 dB, Rejection 50 dB, VSWR 1.50:1. Tags: Module with Connectors, Cavity Filter. More details for WRCT10-2041.995-2044.375-2045.625-2048.005-50 can be seen below.