The WRCGV10-1937.5-1947.5-1962.5-1972.5-60-1 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 1.9475 to 1.9625 GHz, Bandwidth 15 MHz, Insertion Loss 0.75 to 2 dB, Rejection 60 dB, VSWR 1.50:1. Tags: Module with Connectors, Cavity Filter. More details for WRCGV10-1937.5-1947.5-1962.5-1972.5-60-1 can be seen below.