The WRCGV12-1842.5-1852.5-1872.5-1882.5-75 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 1.8525 to 1.8725 GHz, Bandwidth 20 MHz, Insertion Loss 1 to 2.5 dB, Rejection 75 dB, VSWR 1.50:1. Tags: Module with Connectors, Cavity Filter. More details for WRCGV12-1842.5-1852.5-1872.5-1882.5-75 can be seen below.