The WRCGV10-1865-1875-1890-1900-40-1 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 1.875 to 1.89 GHz, Bandwidth 15 MHz, Insertion Loss 0.75 to 1.5 dB, Rejection 40 dB, VSWR 1.50:1. Tags: Module with Connectors, Cavity Filter. More details for WRCGV10-1865-1875-1890-1900-40-1 can be seen below.