The SiMF13/10-10D2 from Sainty-Tech Communications Limited is a Band Pass Filter with Frequency 7.7 to 17.7 GHz, Center Frequency 13 GHz, Insertion Loss 0.9 dB, Rejection 40 dB @DC~4.1GHz, 25 dB @21~25GHz, Upper Rejection 25 to 40 dB. Tags: Surface Mount, Cavity Filter. More details for SiMF13/10-10D2 can be seen below.