The WRCGV8-1839.9-1854.9-1869.9-1884.9-40 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 1.8549 to 1.8699 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 WRCGV8-1839.9-1854.9-1869.9-1884.9-40 can be seen below.