The DF3RC997L-25M from Innertron is a Band Pass Filter with Frequency 985.3 MHz to 1.01 GHz, Bandwidth 25 MHz, Center Frequency 997.8 MHz, Insertion Loss 3 dB, Rejection 25 to 30 dB@ 947.8 to 1047.8 MHz. Tags: Surface Mount. More details for DF3RC997L-25M can be seen below.