The SiMS10/3-9D2 from Sainty-Tech Communications Limited is a Band Pass Filter with Frequency 8.5 to 11.5 GHz, Center Frequency 10 GHz, Insertion Loss 1.5 dB, Rejection 30 dB @6.8GHz&13GHz, 40 dB @5.8GHz&13.3GHz, 60 dB @DC~3GHz, 45 dB @14~25GHz, Upper Rejection 30 to 45 dB. Tags: Surface Mount, Cavity Filter. More details for SiMS10/3-9D2 can be seen below.