The WRCGV6-1910.5-1917.5-1922.5-1929.5-40-4 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 1.9175 to 1.9225 GHz, Bandwidth 5 MHz, Insertion Loss 0.65 to 1.5 dB, Rejection 40 dB, VSWR 1.50:1. Tags: Module with Connectors, Cavity Filter. More details for WRCGV6-1910.5-1917.5-1922.5-1929.5-40-4 can be seen below.