Keyless actuating and/or locking device, particularly for vehicles

摘要

The device has a transmit/receive unit (20) for the operator, e.g. a transponder, a transmit/receive unit (10-12,16,17), e.g. a control unit, on the vehicle and at least one transmitter/receiver device (10-12) associated with the transmit/receive unit, whereby data are exchanged between the operator and vehicle transmit/receive units. The transmitter/receiver device(s) has three or more spatially separate individual antennas (10-12).