The SiMF8R88/2R24-9D2 from Sainty-Tech Communications Limited is a Band Pass Filter with Frequency 7.75 to 10 GHz, Center Frequency 8.88 GHz, Insertion Loss 1.5 dB, Rejection 30 dB @7.15GHz&10.9GHz, 40 dB @6.95GHz&11.15GHz, 60 dB @DC~6.3GHz, 60 dB @15~20GHz, Upper Rejection 30 to 60 dB. Tags: Surface Mount, Cavity Filter. More details for SiMF8R88/2R24-9D2 can be seen below.