The CB3456/8SK-D from G-WAY Microwave is a Band Pass Filter with Frequency 3452 to 3460 MHz, Bandwidth 8 MHz, Center Frequency 3456 MHz, Insertion Loss 2.3 to 2.5 dB, Rejection 25 to 70 dB. Tags: Module with Connectors, Cavity Filter. More details for CB3456/8SK-D can be seen below.