The WRCGV5-1680-1710-1770-1800-20-2 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 1.71 to 1.77 GHz, Bandwidth 60 MHz, Insertion Loss 0.5 to 0.75 dB, Rejection 20 dB, VSWR 1.50:1. Tags: Module with Connectors, Cavity Filter. More details for WRCGV5-1680-1710-1770-1800-20-2 can be seen below.