The WRCGV12-2040-2050-2070-2080-75-1 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 2.05 to 2.07 GHz, Bandwidth 20 MHz, Insertion Loss 1 to 2.5 dB, Rejection 75 dB, VSWR 1.50:1. Tags: Module with Connectors, Cavity Filter. More details for WRCGV12-2040-2050-2070-2080-75-1 can be seen below.