The SiMF9R35/R4-6E3 from Sainty-Tech Communications Limited is a Band Pass Filter with Frequency 9.15 to 9.55 GHz, Center Frequency 9.35 GHz, Insertion Loss 3.5 dB, Rejection 30 dB @8.75GHz&10.05GHz, 40 dB @8.65GHz &10.1GHz, 60 dB @DC~8GHz, 50 dB @10.2~13GHz, Upper Rejection 30 to 50 dB. Tags: Surface Mount, Cavity Filter. More details for SiMF9R35/R4-6E3 can be seen below.