The WRCJV10-1835-1850-1915-1930-40-4 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 1.85 to 1.915 GHz, Bandwidth 65 MHz, Insertion Loss 1 to 2.25 dB, Rejection 40 dB, VSWR 1.50:1. Tags: Module with Connectors, Cavity Filter. More details for WRCJV10-1835-1850-1915-1930-40-4 can be seen below.