The WRCJV8-2170-2180-2200-2210-40 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 2.18 to 2.2 GHz, Bandwidth 20 MHz, Insertion Loss 0.75 dB, Rejection 40 dB, Return Loss 14 dB. Tags: Module with Connectors, Cavity Filter, Notch Filter. More details for WRCJV8-2170-2180-2200-2210-40 can be seen below.