The WRCGV12-2145-2152.5-2157.5-2165-80-2 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 2.1525 to 2.1575 GHz, Insertion Loss 1 to 2.5 dB, Rejection 80 dB, VSWR 1.50:1, Center Frequency 2.155 GHz. Tags: Module with Connectors, Cavity Filter. More details for WRCGV12-2145-2152.5-2157.5-2165-80-2 can be seen below.