The SiMS35R2/2-7W3 from Sainty-Tech Communications Limited is a Band Pass Filter with Frequency 34.2 to 36.2 GHz, Center Frequency 35.2 GHz, Insertion Loss 2 dB, Rejection 30 dB @33.2GHz&37.4GHz, 60 dB @DC~10GHz, Upper Rejection 30 dB. Tags: Surface Mount, Cavity Filter. More details for SiMS35R2/2-7W3 can be seen below.