The WRCJV10-1947.5-1957.5-1972.5-1982.5-60-1 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 1.9575 to 1.9725 GHz, Bandwidth 15 MHz, Insertion Loss 1 to 2.25 dB, Rejection 60 dB, VSWR 1.50:1. Tags: Module with Connectors, Cavity Filter. More details for WRCJV10-1947.5-1957.5-1972.5-1982.5-60-1 can be seen below.