The DF2RB959L-1M from Innertron is a Band Pass Filter with Frequency 959 to 960 MHz, Bandwidth 1 MHz, Center Frequency 959.5 MHz, Insertion Loss 3.5 dB, Rejection 40 dB @ 959.5 MHz. Tags: Surface Mount. More details for DF2RB959L-1M can be seen below.