The DF3RC940L-22M1 from Innertron is a Band Pass Filter with Frequency 927.5 to 952.5 MHz, Bandwidth 25 MHz, Center Frequency 940 MHz, Insertion Loss 3 dB, Rejection 25 to 35 dB@ 890 to 990 MHz. Tags: Surface Mount. More details for DF3RC940L-22M1 can be seen below.