A receiving apparatus includes: a plurality of receiving antennas capable of receiving transmission data which is wirelessly transmitted frame by frame and includes a preamble at a head； a switching unit that selectively switches a connection to any one of the plurality of receiving antennas； a preamble detector that detects the preamble of the transmission data output via the receiving antenna which is connected by the switching unit； and a control unit that controls whether or not to cause the preamble detector to be in a sleep condition based on a detection result by the preamble detector.
