The WRCGV8-1857.5-1872.5-1887.5-1902.5-40-3 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 1.8725 to 1.8875 GHz, Bandwidth 15 MHz, Insertion Loss 0.65 to 0.75 dB, Rejection 40 dB, VSWR 1.50:1. Tags: Module with Connectors, Cavity Filter. More details for WRCGV8-1857.5-1872.5-1887.5-1902.5-40-3 can be seen below.