The technology provides a mobile communication device having separable components, including a control module configured for only short-range wireless communication and a docking station module configured for both long-range wireless communication and short-range wireless communication. The control module includes a touch-sensitive display, a short-range wireless transceiver and a processor that electrically couples the touch-sensitive display and the short-range wireless transceiver. The docking station module includes a docking area that receives the control module, a docking short-range wireless transceiver configured to communicate with the control module, a long-range wireless transceiver that is configured to communicate with a long-range network and a docking processor that electrically couples the docking short-range wireless transceiver and the long-range wireless transceiver. The technology provides a sleek light-weight control module having full functionality of the docking station module.