The SiMF2R93/R5-6D2 from Sainty-Tech Communications Limited is a Band Pass Filter with Frequency 2.7 to 3.15 GHz, Center Frequency 2.93 GHz, Insertion Loss 3 dB, Rejection 30 dB @2.3GHz&3.55GHz, 40 dB @2.2GHz&3.6GHz, 60 dB @DC~1.8GHz, 60 dB @4~9GHz, Upper Rejection 30 to 60 dB. Tags: Surface Mount, Cavity Filter. More details for SiMF2R93/R5-6D2 can be seen below.