Patent 7277739 was granted and assigned to Inventec Appliances on October, 2007 by the United States Patent and Trademark Office.
A communication device. The communication device comprises a body, a circuit board, an antenna unit and a cap. The body is host receiving the circuit board therein, and the antenna unit electronically connected to the circuit board is located at one side of the body for receiving and transmitting signals. The cap is a replaceable element externally mounted on the antenna unit.