The WRCGV12-2080-2090-2110-2120-75 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 2.09 to 2.11 GHz, Bandwidth 20 MHz, Insertion Loss 1 to 2.5 dB, Rejection 75 dB, VSWR 1.50:1. Tags: Module with Connectors, Cavity Filter. More details for WRCGV12-2080-2090-2110-2120-75 can be seen below.