The SiMS10/1R6-8D2 from Sainty-Tech Communications Limited is a Band Pass Filter with Frequency 9.25 to 10.75 GHz, Center Frequency 10 GHz, Insertion Loss 2.5 dB, Rejection 30 dB @8.63GHz&11.43GHz, 60 dB @DC~6.13GHz, 40 dB @8.4GHz&11.7GHz, 60 dB @12.5~14GHz, Upper Rejection 30 to 60 dB. Tags: Surface Mount, Cavity Filter. More details for SiMS10/1R6-8D2 can be seen below.