The SiMF9R5/3-8D2 from Sainty-Tech Communications Limited is a Band Pass Filter with Frequency 8 to 11 GHz, Center Frequency 9.5 GHz, Insertion Loss 3.3 dB, Rejection 30 dB @7.4GHz&11.8GHz, 40 dB @6.9GHz&12.3GHz, 60 dB @DC~6.55GHz, 60 dB @12.7~18GHz, Upper Rejection 30 to 60 dB. Tags: Surface Mount, Cavity Filter. More details for SiMF9R5/3-8D2 can be seen below.