The WRCGV8-1735-1750-1785-1800-40 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 1.75 to 1.785 GHz, Bandwidth 35 MHz, Insertion Loss 0.75 to 1.5 dB, Rejection 40 dB, VSWR 1.50:1. Tags: Module with Connectors, Cavity Filter. More details for WRCGV8-1735-1750-1785-1800-40 can be seen below.