The WRCGV8-2127.5-2137.5-2142.5-2152.5-80-2 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 2.1375 to 2.1425 GHz, Bandwidth 5 MHz, Insertion Loss 0.75 to 2 dB, Rejection 80 dB, VSWR 1.50:1. Tags: Module with Connectors, Cavity Filter. More details for WRCGV8-2127.5-2137.5-2142.5-2152.5-80-2 can be seen below.