The WRCGV10-2137.5-2147.5-2162.5-2172.5-40-4 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 2.1475 to 2.1625 GHz, Bandwidth 15 MHz, Insertion Loss 0.75 to 1.5 dB, Rejection 40 dB, VSWR 1.50:1. Tags: Module with Connectors, Cavity Filter. More details for WRCGV10-2137.5-2147.5-2162.5-2172.5-40-4 can be seen below.