The WRCJV8-1775-1785-1805-1815-40-1 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 1.785 to 1.805 GHz, Insertion Loss 0.75 to 1.75 dB, Rejection 40 dB, VSWR 1.50:1, Center Frequency 1.795 GHz. Tags: Module with Connectors, Cavity Filter. More details for WRCJV8-1775-1785-1805-1815-40-1 can be seen below.