The WRCGV5-1887.5-1912.5-1927.5-1952.5-20-3 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 1.9125 to 1.9275 GHz, Bandwidth 15 MHz, Insertion Loss 0.4 to 0.5 dB, Rejection 20 dB, VSWR 1.50:1. Tags: Module with Connectors, Cavity Filter. More details for WRCGV5-1887.5-1912.5-1927.5-1952.5-20-3 can be seen below.