The TM34F-2880-DL40M from Techniwave is a Band Pass Filter with Frequency 2859 to 2901 MHz, Bandwidth 42 MHz, Center Frequency 2880 MHz, Insertion Loss 4 dB, Upper Rejection 5 dB @ F0 ±40 MHz, 20 dB @ F0 ±80 MHz, 35 dB @ F0 +120 MHz, 40 dB @ F0 ±200 MHz. Tags: Surface Mount, Dielectric Filter. More details for TM34F-2880-DL40M can be seen below.