The WRCGV8-2130-2145-2165-2180-40-3 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 2.145 to 2.165 GHz, Bandwidth 20 MHz, Insertion Loss 0.75 to 1 dB, Rejection 40 dB, VSWR 1.50:1. Tags: Module with Connectors, Cavity Filter. More details for WRCGV8-2130-2145-2165-2180-40-3 can be seen below.