The WRCGV6-2130.5-2137.5-2142.5-2149.5-40-4 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 2.1375 to 2.1425 GHz, Bandwidth 5 MHz, Insertion Loss 0.65 to 1.5 dB, Rejection 40 dB, VSWR 1.50:1. Tags: Module with Connectors, Cavity Filter. More details for WRCGV6-2130.5-2137.5-2142.5-2149.5-40-4 can be seen below.