The DF3R3-602M72 from Innertron is a Band Pass Filter with Frequency 566 to 638 MHz, Bandwidth 72 MHz, Center Frequency 602 MHz, Insertion Loss 2.5 dB, Rejection 20 to 30 dB@ 452 to 752 MHz. Tags: Surface Mount. More details for DF3R3-602M72 can be seen below.