The WRCGV10-1830-1845-1880-1895-50 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 1.845 to 1.88 GHz, Bandwidth 35 MHz, Insertion Loss 0.75 to 1.25 dB, Rejection 50 dB, VSWR 1.50:1. Tags: Module with Connectors, Cavity Filter. More details for WRCGV10-1830-1845-1880-1895-50 can be seen below.