The CL12D24-300-CD-SFF from Quantic PMI (Planar Monolithics) is a Band Pass Filter with Frequency 12.09 to 12.39 GHz, Bandwidth 300 MHz, Center Frequency 12240 MHz, Insertion Loss 4 dB, Rejection 40dB @ DC to 11.94GHz and 40dB @ 12.54 to 36.72GHz. Tags: Module with Connectors, Combline Filter. More details for CL12D24-300-CD-SFF can be seen below.