The DF2Ri2642L-27M from Innertron is a Band Pass Filter with Frequency 2.63 to 2.66 GHz, Bandwidth 27 MHz, Center Frequency 2642.5 MHz, Insertion Loss 2.5 dB, Rejection 18 to 35 dB@ 2500 to 2785 MHz. Tags: Surface Mount. More details for DF2Ri2642L-27M can be seen below.