The DEA211898BT-9033B1 is a signal conditioning low-temperature co-fired ceramic (LTCC) band pass filter manufactured by TDK. It operates within the 869-960MHz frequency range and features a center frequency of 920MHz. It is designed to filter out-of-band signals, isolate strong signals from weaker ones, and reduce the power of interfering signals. The filter enables increased gain and improved signal integrity. It is suitable for a range of applications including wireless base station communication systems, automotive or industrial systems, and biomedical systems.