The CB2184/42SK-D from G-WAY Microwave is a Band Pass Filter with Frequency 2163 to 2205 MHz, Bandwidth 42 MHz, Center Frequency 2184 MHz, Insertion Loss 0.5 to 0.6 dB, Rejection 55 dB. Tags: Module with Connectors, Cavity Filter. More details for CB2184/42SK-D can be seen below.