The WRCGV5-1850-1875-1890-1915-20-2 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 1.875 to 1.89 GHz, Bandwidth 15 MHz, Insertion Loss 0.4 to 0.5 dB, Rejection 20 dB, VSWR 1.50:1. Tags: Module with Connectors, Cavity Filter. More details for WRCGV5-1850-1875-1890-1915-20-2 can be seen below.