The WRCGV12-2100-2110-2155-2165-50-3 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 2.11 to 2.155 GHz, Bandwidth 45 MHz, Insertion Loss 1 to 2 dB, Rejection 50 dB, VSWR 1.50:1. Tags: Module with Connectors, Cavity Filter. More details for WRCGV12-2100-2110-2155-2165-50-3 can be seen below.