The WRCJV12-1842.5-1852.5-1872.5-1882.5-80 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 1.8525 to 1.8725 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 WRCJV12-1842.5-1852.5-1872.5-1882.5-80 can be seen below.