The WRCGV8-1719.5-1737.5-1757.5-1775.5-60-4 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 1.5 dB, Rejection 60 dB, VSWR 1.50:1. Tags: Module with Connectors, Cavity Filter. More details for WRCGV8-1719.5-1737.5-1757.5-1775.5-60-4 can be seen below.