The SiMF7/2R2-7D2 from Sainty-Tech Communications Limited is a Band Pass Filter with Frequency 5.9 to 8.3 GHz, Center Frequency 7 GHz, Insertion Loss 1.6 dB, Rejection 30 dB @5.1GHz&9GHz, 40 dB @4.7GHz&9.2GHz, 60 dB @DC~3.8GHz, 50 dB @9.25~14GHz, Upper Rejection 30 to 50 dB. Tags: Surface Mount, Cavity Filter. More details for SiMF7/2R2-7D2 can be seen below.