The DF2RF2450L-100M from Innertron is a Band Pass Filter with Frequency 2.4 to 2.5 GHz, Bandwidth 100 MHz, Center Frequency 2450 MHz, Insertion Loss 1.2 dB, Rejection 25 dB@ 2100 MHz. Tags: Surface Mount. More details for DF2RF2450L-100M can be seen below.