The SiMF7R1/1R9-9D2 from Sainty-Tech Communications Limited is a Band Pass Filter with Frequency 6.1 to 8 GHz, Center Frequency 7.05 GHz, Insertion Loss 1.6 dB, Rejection 30 dB @5.5GHz&8.8GHz, 40 dB @5.3GHz&9GHz, 60 dB @DC~5GHz, 55 dB @9.2~16GHz, Upper Rejection 30 to 55 dB. Tags: Surface Mount, Cavity Filter. More details for SiMF7R1/1R9-9D2 can be seen below.