The WRCGV5-1795-1870-1890-1965-70-4 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 1.87 to 1.89 GHz, Bandwidth 20 MHz, Insertion Loss 0.4 to 0.5 dB, Rejection 70 dB, VSWR 1.50:1. Tags: Module with Connectors, Cavity Filter. More details for WRCGV5-1795-1870-1890-1965-70-4 can be seen below.