The WRCJV12-1945-1955-1975-1985-80-2 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 1.955 to 1.975 GHz, Bandwidth 20 MHz, Insertion Loss 1 to 3 dB, Rejection 80 dB, VSWR 1.50:1. Tags: Module with Connectors, Cavity Filter. More details for WRCJV12-1945-1955-1975-1985-80-2 can be seen below.