The SiMF34R6/1R6-7W2 from Sainty-Tech Communications Limited is a Band Pass Filter with Frequency 33.8 to 35.4 GHz, Center Frequency 34.6 GHz, Insertion Loss 2 dB, Rejection 30 dB @32.6GHz&36.3GHz, 40 dB @32GHz&36.8GHz, 50 dB @DC~30GHz, Upper Rejection 30 to 40 dB. Tags: Surface Mount, Cavity Filter. More details for SiMF34R6/1R6-7W2 can be seen below.