The WRCGV14-1740-1750-1785-1795-75 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 1.75 to 1.785 GHz, Bandwidth 35 MHz, Insertion Loss 1 to 3 dB, Rejection 75 dB, VSWR 1.50:1. Tags: Module with Connectors, Cavity Filter. More details for WRCGV14-1740-1750-1785-1795-75 can be seen below.