The DEA162450BT-1260B2 from TDK is a Band Pass Filter with Frequency 2.4 to 2.5 GHz, Bandwidth 100 MHz, Center Frequency 2.45 GHz, Insertion Loss 1.7 to 2.2 dB, Rejection 15 to 41 dB. Tags: Surface Mount. More details for DEA162450BT-1260B2 can be seen below.