The WRCGV5-2100-2125-2140-2165-20 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 2.125 to 2.14 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 WRCGV5-2100-2125-2140-2165-20 can be seen below.