The WRCGV10-1785-1805-1880-1900-50-4 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 1.805 to 1.88 GHz, Bandwidth 75 MHz, Insertion Loss 0.75 to 1.5 dB, Rejection 50 dB, VSWR 1.50:1. Tags: Module with Connectors, Cavity Filter. More details for WRCGV10-1785-1805-1880-1900-50-4 can be seen below.