The WRCGV8-1722.5-1737.5-1757.5-1772.5-40-3 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 1.7375 to 1.7575 GHz, Bandwidth 20 MHz, Insertion Loss 0.75 to 1 dB, Rejection 40 dB, VSWR 1.50:1. Tags: Module with Connectors, Cavity Filter. More details for WRCGV8-1722.5-1737.5-1757.5-1772.5-40-3 can be seen below.