The SiMF5R6/R6-7D2 from Sainty-Tech Communications Limited is a Band Pass Filter with Frequency 5.3 to 5.9 GHz, Center Frequency 5.6 GHz, Insertion Loss 2.3 dB, Rejection 30 dB @4.85GHz&6.3GHz, 40 dB @4.7GHz &6.35GHz, 60 dB @DC~4.4GHz, 60 dB @7~10GHz, Upper Rejection 30 to 60 dB. Tags: Surface Mount, Cavity Filter. More details for SiMF5R6/R6-7D2 can be seen below.