The WRCGV8-1817.5-1832.5-1852.5-1867.5-40-2 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 1.8325 to 1.8525 GHz, Bandwidth 20 MHz, Insertion Loss 0.75 to 1 dB, Rejection 40 dB, VSWR 1.50:1. Tags: Module with Connectors, Cavity Filter. More details for WRCGV8-1817.5-1832.5-1852.5-1867.5-40-2 can be seen below.