The CB4495/190SK-B1 from G-WAY Microwave is a Band Pass Filter with Frequency 4400 to 4590 MHz, Bandwidth 190 MHz, Center Frequency 4495 MHz, Insertion Loss 0.8 dB, Rejection 25 dB. Tags: Module with Connectors, Cavity Filter. More details for CB4495/190SK-B1 can be seen below.