The WRCGV12-1824.9-1844.9-1879.9-1899.9-75 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 1.8449 to 1.8799 GHz, Bandwidth 35 MHz, Insertion Loss 1 to 2.5 dB, Rejection 75 dB, VSWR 1.50:1. Tags: Module with Connectors, Cavity Filter. More details for WRCGV12-1824.9-1844.9-1879.9-1899.9-75 can be seen below.