The DEA105425BT-1293A1 from TDK is a Band Pass Filter with Frequency 4.9 to 5.95 GHz, Bandwidth 1050 MHz, Center Frequency 5.425 GHz, Insertion Loss 0.73 to 1.2 dB, Rejection 12 to 29 dB. Tags: Surface Mount. More details for DEA105425BT-1293A1 can be seen below.