The WRCGV8-1830-1840-1845-1855-80-2 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 1.84 to 1.845 GHz, Bandwidth 5 MHz, Insertion Loss 0.75 to 2 dB, Rejection 80 dB, VSWR 1.50:1. Tags: Module with Connectors, Cavity Filter. More details for WRCGV8-1830-1840-1845-1855-80-2 can be seen below.