Beamforming training refers to the exhaustive scan over which the transmitter and receiver jointly steer their beams along a predefined set of double-directional angles to determine the beam pairs that coincide with the dominant propagation paths of the channel. for spatial multiplexing at millimeter-wave. When mobile. training necessitates a high refresh rate to maintain connectivity... https://www.itsmajorlook.com/super-save-OffWorld-Percussion-Outlander-Practice-Pad-limited-super/