The WRCGV5-1870-1945-1965-2040-70-2 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 1.945 to 1.965 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 WRCGV5-1870-1945-1965-2040-70-2 can be seen below.