The WRCGV6-2145.5-2152.5-2157.5-2164.5-40-3 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 2.1525 to 2.1575 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 WRCGV6-2145.5-2152.5-2157.5-2164.5-40-3 can be seen below.