A new and distinct cultivar of Calibrachoa plant named \u2018Suncalkuki\u2019, characterized by its trailing plant habit; moderately vigorous growth habit; freely branching and flowering plant habit; long flowering period; yellow-colored flowers; and good garden performance. The adaptor includes a drive plate which mates with the hand tool, and a tool bit-engaging member attached to the drive plate and movable angularly between various positions, with a latch to keep the tool bit-engaging member in a selected position. The base includes a series of fastener-receiving apertures. If the mobile unit is a guest, communications data can be routed from the mobile unit through an RF source to a second destination location.