The WRCGV8-1790-1805-1880-1895-30-1 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 1.25 dB, Rejection 30 dB, VSWR 1.50:1. Tags: Module with Connectors, Cavity Filter. More details for WRCGV8-1790-1805-1880-1895-30-1 can be seen below.