The WRCGV8-1927.5-1937.5-1942.5-1952.5-80-1 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 1.9375 to 1.9425 GHz, Bandwidth 5 MHz, Insertion Loss 0.75 to 2 dB, Rejection 80 dB, VSWR 1.50:1. Tags: Module with Connectors, Cavity Filter. More details for WRCGV8-1927.5-1937.5-1942.5-1952.5-80-1 can be seen below.