The DEA162450BT-1262B1 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 1.53 to 2.4 dB, Rejection 8.5 to 30.4 dB. Tags: Surface Mount. More details for DEA162450BT-1262B1 can be seen below.