The CB1917.5/95SK-B4 from G-WAY Microwave is a Band Pass Filter with Frequency 1870 to 1965 MHz, Bandwidth 95 MHz, Center Frequency 1917.5 MHz, Insertion Loss 0.4 to 4 dB, Rejection 10 to 50 dB. Tags: Module with Connectors, Cavity Filter. More details for CB1917.5/95SK-B4 can be seen below.