A wireless communication apparatus comprising: an antenna configured to operate as an antenna and as an electrode ; a reference part configured to provide a reference potential ; and a sensor module connected to the electrode and to the reference potential , the sensor module being configured to measure a change in the potential between the electrode and the reference potential; characterized in that the apparatus further comprises: a memory configured to store a plurality of potential ranges and corresponding states relating to the wireless communication apparatus relating to the ranges; and a processor configured to determine a state relating to wireless communication apparatus based on the measured change in the potential between the electrode and the reference potential and the information stored in the memory , wherein state refers to at least one of: a situation where an external protecting cover is or is not applied on a display of the wireless communication apparatus, or a situation for determining whether a user is touching or gripping the wireless communication apparatus, or a situation for detecting on object or user close to the wireless communication apparatus, or wherein state refers to or indicates a certain gripping state when a user is holding the wireless communication apparatus in his/her hand. an antenna configured to operate as an antenna and as an electrode ; a reference part configured to provide a reference potential ; and a sensor module connected to the electrode and to the reference potential , the sensor module being configured to measure a change in the potential between the electrode and the reference potential; characterized in that the apparatus further comprises: a memory configured to store a plurality of potential ranges and corresponding states relating to the wireless communication apparatus relating to the ranges; and a processor configured to determine a state relating to wireless communication apparatus based on the measured change in the potential between the electrode and the reference potential and the information stored in the memory , wherein state refers to at least one of: a situation where an external protecting cover is or is not applied on a display of the wireless communication apparatus, or a situation for determining whether a user is touching or gripping the wireless communication apparatus, or a situation for detecting on object or user close to the wireless communication apparatus, or wherein state refers to or indicates a certain gripping state when a user is holding the wireless communication apparatus in his/her hand. a memory configured to store a plurality of potential ranges and corresponding states relating to the wireless communication apparatus relating to the ranges; and a processor configured to determine a state relating to wireless communication apparatus based on the measured change in the potential between the electrode and the reference potential and the information stored in the memory , wherein state refers to at least one of: a situation where an external protecting cover is or is not applied on a display of the wireless communication apparatus, or a situation for determining whether a user is touching or gripping the wireless communication apparatus, or a situation for detecting on object or user close to the wireless communication apparatus, or wherein state refers to or indicates a certain gripping state when a user is holding the wireless communication apparatus in his/her hand. <EOS>