The WRCD10-1763.135-1764.385-1765.615-1766.865-40 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 1.764385 to 1.765615 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 WRCD10-1763.135-1764.385-1765.615-1766.865-40 can be seen below.