The WRCD5-1746.3-1747.3-1747.7-1748.7-40 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 1.7473 to 1.7477 GHz, Bandwidth 0.4 MHz, Insertion Loss 0.75 to 3 dB, Rejection 40 dB, VSWR 1.50:1. Tags: Module with Connectors, Cavity Filter. More details for WRCD5-1746.3-1747.3-1747.7-1748.7-40 can be seen below.