The WRCGV5-1897.5-1907.5-1912.5-1922.5-40 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 1.9075 to 1.9125 GHz, Bandwidth 5 MHz, Insertion Loss 0.5 to 1.25 dB, Rejection 40 dB, VSWR 1.50:1. Tags: Module with Connectors, Cavity Filter. More details for WRCGV5-1897.5-1907.5-1912.5-1922.5-40 can be seen below.