The WRCGV12-1794.9-1804.9-1824.9-1834.9-75 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 1.8049 to 1.8249 GHz, Bandwidth 20 MHz, Insertion Loss 1 to 2.5 dB, Rejection 75 dB, VSWR 1.50:1. Tags: Module with Connectors, Cavity Filter. More details for WRCGV12-1794.9-1804.9-1824.9-1834.9-75 can be seen below.