The SiMF10R72/1R16-8D3 from Sainty-Tech Communications Limited is a Band Pass Filter with Frequency 10.1 to 11.5 GHz, Center Frequency 10.8 GHz, Insertion Loss 2.5 dB, Rejection 30 dB @9.5GHz&12.1GHz, 40 dB @9.3GHz&12.2GHz, 60 dB @DC~8.5GHz, 50 dB @13~24GHz, Upper Rejection 30 to 50 dB. Tags: Surface Mount, Cavity Filter. More details for SiMF10R72/1R16-8D3 can be seen below.