The WRCGV5-2122.5-2147.5-2162.5-2187.5-20-3 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 2.1475 to 2.1625 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 WRCGV5-2122.5-2147.5-2162.5-2187.5-20-3 can be seen below.