The DF3RC745L-2M from Innertron is a Band Pass Filter with Frequency 744.42 to 746.42 MHz, Bandwidth 2 MHz, Center Frequency 745.42 MHz, Insertion Loss 10 dB, Rejection 18 dB@ 739.42 to 751.42 MHz. Tags: Surface Mount. More details for DF3RC745L-2M can be seen below.