The DEA255375BT-2076A1 from TDK is a Band Pass Filter with Frequency 4.9 to 5.85 GHz, Bandwidth 950 MHz, Center Frequency 5.375 GHz, Insertion Loss 0.7 to 1.5 dB, Rejection 15 to 50 dB. Tags: Surface Mount. More details for DEA255375BT-2076A1 can be seen below.