The WRCD10-1745.635-1746.885-1748.115-1749.365-40 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 1.746885 to 1.748115 GHz, Bandwidth 1.23 MHz, Insertion Loss 1.25 to 3 dB, Rejection 40 dB, VSWR 1.50:1. Tags: Module with Connectors, Cavity Filter. More details for WRCD10-1745.635-1746.885-1748.115-1749.365-40 can be seen below.