An apparatus comprising: a passive RFID module ; characterized in that the apparatus further comprises a control module ,coupled to the passive RFID module through a wired connection, configured to receive an electrical signal from the passive RFID module through the wired connection; wherein the control module comprises a controller , a reader sensing element electrically coupled to the controller , and a touch sensing element electrically coupled to the controller , and wherein the control module is configured to determine, based on a characteristic of the electrical signal as presented to the reader sensing element or to the touch sensing element , whether the passive RFID module has been energized by an RFID reader , or, in the alternative, has exhibited a change of impedance as a result of the proximity of a human or a touch panel accessory; wherein the apparatus is configured to operate in at least two modes, including: a first mode if the control module determines that passive RFID module has been energized by an RFID reader , or, in the alternative, a second mode if the control module determines that the passive RFID module has exhibited a change of impedance as a result of the proximity of a human or a touch panel accessory; the passive RFID module is disposed proximate to a touch panel , and in response to the determined change of impedance, the control module is configured to indicate that the human or touch panel accessory has made contact with the touch panel . a passive RFID module ; characterized in that the apparatus further comprises a control module ,coupled to the passive RFID module through a wired connection, configured to receive an electrical signal from the passive RFID module through the wired connection; wherein the control module comprises a controller , a reader sensing element electrically coupled to the controller , and a touch sensing element electrically coupled to the controller , and wherein the control module is configured to determine, based on a characteristic of the electrical signal as presented to the reader sensing element or to the touch sensing element , whether the passive RFID module has been energized by an RFID reader , or, in the alternative, has exhibited a change of impedance as a result of the proximity of a human or a touch panel accessory; wherein the apparatus is configured to operate in at least two modes, including: a first mode if the control module determines that passive RFID module has been energized by an RFID reader , or, in the alternative, a second mode if the control module determines that the passive RFID module has exhibited a change of impedance as a result of the proximity of a human or a touch panel accessory; the passive RFID module is disposed proximate to a touch panel , and in response to the determined change of impedance, the control module is configured to indicate that the human or touch panel accessory has made contact with the touch panel . a first mode if the control module determines that passive RFID module has been energized by an RFID reader , or, in the alternative, a second mode if the control module determines that the passive RFID module has exhibited a change of impedance as a result of the proximity of a human or a touch panel accessory; the passive RFID module is disposed proximate to a touch panel , and in response to the determined change of impedance, the control module is configured to indicate that the human or touch panel accessory has made contact with the touch panel . <EOS>