The WRCGV8-1947.5-1957.5-1962.5-1972.5-80-4 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 1.9575 to 1.9625 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 WRCGV8-1947.5-1957.5-1962.5-1972.5-80-4 can be seen below.