The CB2300/240SK-A from G-WAY Microwave is a Band Pass Filter with Frequency 2180 to 2420 MHz, Bandwidth 240 MHz, Center Frequency 2300 MHz, Insertion Loss 0.35 to 0.4 dB, Rejection 60 to 65 dB. Tags: Module with Connectors, Cavity Filter. More details for CB2300/240SK-A can be seen below.