The WRCTG12+8-2103-2110-2155-2162-50-1 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 2.11 to 2.155 GHz, Bandwidth 45 MHz, Insertion Loss 2 to 3.5 dB, Rejection 50 dB, VSWR 1.50:1. Tags: Module with Connectors, Cavity Filter. More details for WRCTG12+8-2103-2110-2155-2162-50-1 can be seen below.