The DEA202450BT-7116E1 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 2 to 2.3 dB, Rejection 15 to 40 dB. Tags: Surface Mount. More details for DEA202450BT-7116E1 can be seen below.