The WRCGV8-1897.5-1912.5-1927.5-1942.5-60-1 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 1.9125 to 1.9275 GHz, Bandwidth 15 MHz, Insertion Loss 0.75 to 1.25 dB, Rejection 60 dB, VSWR 1.50:1. Tags: Module with Connectors, Cavity Filter. More details for WRCGV8-1897.5-1912.5-1927.5-1942.5-60-1 can be seen below.