The 8C12D6G-300-CD-SFF from Quantic PMI (Planar Monolithics) is a Band Pass Filter with Frequency 12.45 to 12.75 GHz, Bandwidth 300 MHz, Center Frequency 12600 MHz, Insertion Loss 3 dB, Rejection 80dBc @ 12.0 and 13.2GHz. Tags: Module with Connectors, Cavity Filter. More details for 8C12D6G-300-CD-SFF can be seen below.