The CB2585/198SK-B5 from G-WAY Microwave is a Band Pass Filter with Frequency 2496 to 2694 MHz, Bandwidth 198 MHz, Center Frequency 2595 MHz, Insertion Loss 0.4 to 1.5 dB, Rejection 30 to 38 dB. Tags: Module with Connectors, Cavity Filter. More details for CB2585/198SK-B5 can be seen below.