The WRCGV5-1835-1910-1930-2005-70-4 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 1.91 to 1.93 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 WRCGV5-1835-1910-1930-2005-70-4 can be seen below.