The SiMF9R5/1-5D2 from Sainty-Tech Communications Limited is a Band Pass Filter with Frequency 9 to 10 GHz, Center Frequency 9.5 GHz, Insertion Loss 2 dB, Rejection 30 dB @7.9GHz&10.9GHz, 40 dB @7.4GHz&11.2GHz, 60 dB @DC~12GHz, 60 dB @12~14GHz, Upper Rejection 30 to 60 dB. Tags: Surface Mount, Cavity Filter. More details for SiMF9R5/1-5D2 can be seen below.