The CL10D53-300-CD-SFF from Quantic PMI (Planar Monolithics) is a Band Pass Filter with Frequency 10.38 to 10.68 GHz, Bandwidth 300 MHz, Center Frequency 10530 MHz, Insertion Loss 4 dB, Rejection 40dB @ DC to 10.23GHz and 40dB @ 10.5 to 40GHz. Tags: Module with Connectors, Combline Filter. More details for CL10D53-300-CD-SFF can be seen below.