The WRCTG12+16-2107.5-2112.5-2152.5-2157.5-80 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 2.1125 to 2.1525 GHz, Bandwidth 40 MHz, Insertion Loss 2 to 4 dB, Rejection 80 dB, VSWR 1.50:1. Tags: Module with Connectors, Cavity Filter. More details for WRCTG12+16-2107.5-2112.5-2152.5-2157.5-80 can be seen below.