The WRCGV10-1947.5-1957.5-1972.5-1982.5-40-2 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 1.9575 to 1.9725 GHz, Bandwidth 15 MHz, Insertion Loss 0.75 to 1.5 dB, Rejection 40 dB, VSWR 1.50:1. Tags: Module with Connectors, Cavity Filter. More details for WRCGV10-1947.5-1957.5-1972.5-1982.5-40-2 can be seen below.