The WRCJV12-1912.5-1922.5-1942.5-1952.5-80-1 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 1.9225 to 1.9425 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 WRCJV12-1912.5-1922.5-1942.5-1952.5-80-1 can be seen below.