The WRCGV5-2012.5-2037.5-2052.5-2077.5-20 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 2.0375 to 2.0525 GHz, Bandwidth 15 MHz, Insertion Loss 0.4 to 0.5 dB, Rejection 20 dB, VSWR 1.50:1. Tags: Module with Connectors, Cavity Filter. More details for WRCGV5-2012.5-2037.5-2052.5-2077.5-20 can be seen below.