The WRCGV5-1917.5-1942.5-1957.5-1982.5-20-1 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 1.9425 to 1.9575 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 WRCGV5-1917.5-1942.5-1957.5-1982.5-20-1 can be seen below.