The DEA252400BT-2030A1 from TDK is a Band Pass Filter with Frequency 2.3 to 2.5 GHz, Bandwidth 200 MHz, Center Frequency 2.4 GHz, Insertion Loss 1.06 to 1.7 dB, Rejection 30 to 47 dB. Tags: Surface Mount. More details for DEA252400BT-2030A1 can be seen below.