The WRCGV12-2037.5-2052.5-2067.5-2082.5-80-2 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 2.0525 to 2.0675 GHz, Bandwidth 15 MHz, Insertion Loss 1 to 2 dB, Rejection 80 dB, VSWR 1.50:1. Tags: Module with Connectors, Cavity Filter. More details for WRCGV12-2037.5-2052.5-2067.5-2082.5-80-2 can be seen below.