The WRCTG12+8-2100-2110-2155-2165-80-3 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 2.11 to 2.155 GHz, Bandwidth 45 MHz, Insertion Loss 2 to 3 dB, Rejection 80 dB, VSWR 1.50:1. Tags: Module with Connectors, Cavity Filter. More details for WRCTG12+8-2100-2110-2155-2165-80-3 can be seen below.