The SiMF10R2/1-8D2 from Sainty-Tech Communications Limited is a Band Pass Filter with Frequency 9.7 to 10.7 GHz, Center Frequency 10.2 GHz, Insertion Loss 2.5 dB, Rejection 30 dB @9GHz&11.4GHz, 40 dB @8.8&11.5GHz, 60 dB @DC~9GHz, 50 dB @12~20GHz, Upper Rejection 30 to 50 dB. Tags: Surface Mount, Cavity Filter. More details for SiMF10R2/1-8D2 can be seen below.