The WRCGV8-1937.5-1952.5-1967.5-1982.5-60-3 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 1.9525 to 1.9675 GHz, Bandwidth 15 MHz, Insertion Loss 0.75 to 1.25 dB, Rejection 60 dB, VSWR 1.50:1. Tags: Module with Connectors, Cavity Filter. More details for WRCGV8-1937.5-1952.5-1967.5-1982.5-60-3 can be seen below.