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 (106, 108, 110) 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 (106, 108, 110), 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 (106, 108, 110) 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 (106, 108, 110), 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 (106, 108, 110) 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 (106, 108, 110), 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.