The SiMF7R7/1R6-9D2 from Sainty-Tech Communications Limited is a Band Pass Filter with Frequency 6.8 to 8.4 GHz, Center Frequency 7.6 GHz, Insertion Loss 2.5 dB, Rejection 30 dB @6.2GHz&9.1GHz, 40 dB @5.7GHz&9.4GHz, 60 dB @DC~5.5GHz, 55 dB @10~18GHz, Upper Rejection 30 to 55 dB. Tags: Surface Mount, Cavity Filter. More details for SiMF7R7/1R6-9D2 can be seen below.