The SiMF6R85/2R8-8D2 from Sainty-Tech Communications Limited is a Band Pass Filter with Frequency 5.4 to 8.3 GHz, Center Frequency 6.85 GHz, Insertion Loss 1.7 dB, Rejection 30 dB @4.6GHz&9.1GHz, 40 dB @4.3GHz&9.2GHz, 60 dB @DC~3.5GHz, 55 dB @9.5~18GHz, Upper Rejection 30 to 55 dB. Tags: Surface Mount, Cavity Filter. More details for SiMF6R85/2R8-8D2 can be seen below.