The WRCGV12-1700-1710-1785-1795-40-2 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 1.71 to 1.785 GHz, Bandwidth 75 MHz, Insertion Loss 1 to 3 dB, Rejection 40 dB, VSWR 1.50:1. Tags: Module with Connectors, Cavity Filter. More details for WRCGV12-1700-1710-1785-1795-40-2 can be seen below.