The WRCGV12-1902.5-1912.5-1932.5-1942.5-75-3 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 1.9125 to 1.9325 GHz, Bandwidth 20 MHz, Insertion Loss 1 to 2.5 dB, Rejection 75 dB, VSWR 1.50:1. Tags: Module with Connectors, Cavity Filter. More details for WRCGV12-1902.5-1912.5-1932.5-1942.5-75-3 can be seen below.