The CB3500/72SK-SP2 from G-WAY Microwave is a Band Pass Filter with Frequency 3457.5 to 3542.5 MHz, Bandwidth 85 MHz, Center Frequency 3500 MHz, Insertion Loss 0.9 to 1 dB, Rejection 60 to 95 dB. Tags: Module with Connectors, Cavity Filter. More details for CB3500/72SK-SP2 can be seen below.