The WRCD10-1745.625-1746.875-1748.125-1749.375-50 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 1.746875 to 1.748125 GHz, Bandwidth 1.25 MHz, Insertion Loss 1.25 to 3 dB, Rejection 50 dB, VSWR 1.50:1. Tags: Module with Connectors, Cavity Filter. More details for WRCD10-1745.625-1746.875-1748.125-1749.375-50 can be seen below.