The WRCD15-1945.5-1947.5-1952.5-1954.5-45-2 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 1.9475 to 1.9525 GHz, Bandwidth 5 MHz, Insertion Loss 1.75 to 3 dB, Rejection 45 dB, VSWR 1.50:1. Tags: Module with Connectors, Cavity Filter. More details for WRCD15-1945.5-1947.5-1952.5-1954.5-45-2 can be seen below.