The WRCT10-1943.5-1947.5-1952.5-1956.5-60-3 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 1.9475 to 1.9525 GHz, Bandwidth 5 MHz, Insertion Loss 1.25 to 2 dB, Rejection 60 dB, VSWR 1.50:1. Tags: Module with Connectors, Cavity Filter. More details for WRCT10-1943.5-1947.5-1952.5-1956.5-60-3 can be seen below.