The CB2225/20SK-B5 from G-WAY Microwave is a Band Pass Filter with Frequency 2215 to 2235 MHz, Bandwidth 20 MHz, Center Frequency 2225 MHz, Insertion Loss 1 dB, Rejection 75 to 80 dB. Tags: Module with Connectors, Cavity Filter. More details for CB2225/20SK-B5 can be seen below.