The DF3R3-801M18 from Innertron is a Band Pass Filter with Frequency 792 to 810 MHz, Bandwidth 18 MHz, Center Frequency 801 MHz, Insertion Loss 2.5 dB, Rejection 20 to 30 dB@ 751 to 851 MHz. Tags: Surface Mount. More details for DF3R3-801M18 can be seen below.