The DF2RB903H-2M from Innertron is a Band Pass Filter with Frequency 902 to 904 MHz, Bandwidth 2 MHz, Center Frequency 903 MHz, Insertion Loss 3.5 dB, Rejection 15 to 20 dB @ 879 to 927 MHz. Tags: Surface Mount. More details for DF2RB903H-2M can be seen below.