The SiMS11R65/1R7-10D2 from Sainty-Tech Communications Limited is a Band Pass Filter with Frequency 10.8 to 12.5 GHz, Center Frequency 11.65 GHz, Insertion Loss 2.3 dB, Rejection 40 dB @DC~9.9GHz, 40 dB @13.6~20GHz, Upper Rejection 40 dB. Tags: Surface Mount, Cavity Filter. More details for SiMS11R65/1R7-10D2 can be seen below.