The WRCGV12-1950-1957.5-1962.5-1970-80-2 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 1.9575 to 1.9625 GHz, Bandwidth 5 MHz, Insertion Loss 1 to 2.5 dB, Rejection 80 dB, VSWR 1.50:1. Tags: Module with Connectors, Cavity Filter. More details for WRCGV12-1950-1957.5-1962.5-1970-80-2 can be seen below.