The DF3R3-746M72 from Innertron is a Band Pass Filter with Frequency 710 to 782 MHz, Bandwidth 72 MHz, Center Frequency 746 MHz, Insertion Loss 2.5 dB, Rejection 20 to 30 dB@ 596 to 896 MHz. Tags: Surface Mount. More details for DF3R3-746M72 can be seen below.