The WRCGV12-1795-1805-1880-1890-40-4 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 1.805 to 1.88 GHz, Bandwidth 75 MHz, Insertion Loss 1 to 3 dB, Rejection 40 dB, VSWR 1.50:1. Tags: Module with Connectors, Cavity Filter. More details for WRCGV12-1795-1805-1880-1890-40-4 can be seen below.