The WRCGV16-1830-1850-1910-1930-90-6 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 1.85 to 1.91 GHz, Bandwidth 60 MHz, Insertion Loss 1.25 to 2.75 dB, Rejection 90 dB, VSWR 1.50:1. Tags: Module with Connectors, Cavity Filter. More details for WRCGV16-1830-1850-1910-1930-90-6 can be seen below.