The WRCJV12-1910-1920-1980-1990-35-5 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 1.92 to 1.98 GHz, Bandwidth 60 MHz, Insertion Loss 1 to 2.5 dB, Rejection 35 dB, VSWR 1.50:1. Tags: Module with Connectors, Cavity Filter. More details for WRCJV12-1910-1920-1980-1990-35-5 can be seen below.