The WRCGV12-1890-1920-1980-2010-75-5 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 1.92 to 1.98 GHz, Bandwidth 60 MHz, Insertion Loss 1 to 1.25 dB, Rejection 75 dB, VSWR 1.50:1. Tags: Module with Connectors, Cavity Filter. More details for WRCGV12-1890-1920-1980-2010-75-5 can be seen below.