A wireless communications device comprising: an RF transceiver; a touch sensor; a plurality of antennas (300, 310) coupled to the transceiver; and processing circuitry coupled to the RF transceiver, the processing circuitry configured to: cause the RF transceiver to transmit an RF reference signal (225, 325); determine at least one characteristic of the RF reference signal reflected back from each of the plurality of antennas (300, 310, 315, 320); and control at least one function of the device, by: based on the at least one determined characteristic, characterizing at least one aspect of an environment around the device to determine that an object is approaching the device; based on determining that the object is approaching the device, activating a first feature of the device, wherein: the first feature is activated prior to the object being in contact with the device; and the first feature comprises reducing a volume of a ringing generated by the wireless communications device; and activate a second feature of the device based on a signal received from the touch sensor indicating that the object is in contact with the device, wherein the second feature comprises muting the ringing generated by the wireless communications device. an RF transceiver; a touch sensor; a plurality of antennas (300, 310) coupled to the transceiver; and processing circuitry coupled to the RF transceiver, the processing circuitry configured to: cause the RF transceiver to transmit an RF reference signal (225, 325); determine at least one characteristic of the RF reference signal reflected back from each of the plurality of antennas (300, 310, 315, 320); and control at least one function of the device, by: based on the at least one determined characteristic, characterizing at least one aspect of an environment around the device to determine that an object is approaching the device; based on determining that the object is approaching the device, activating a first feature of the device, wherein: the first feature is activated prior to the object being in contact with the device; and the first feature comprises reducing a volume of a ringing generated by the wireless communications device; and activate a second feature of the device based on a signal received from the touch sensor indicating that the object is in contact with the device, wherein the second feature comprises muting the ringing generated by the wireless communications device. cause the RF transceiver to transmit an RF reference signal (225, 325); determine at least one characteristic of the RF reference signal reflected back from each of the plurality of antennas (300, 310, 315, 320); and control at least one function of the device, by: based on the at least one determined characteristic, characterizing at least one aspect of an environment around the device to determine that an object is approaching the device; based on determining that the object is approaching the device, activating a first feature of the device, wherein: the first feature is activated prior to the object being in contact with the device; and the first feature comprises reducing a volume of a ringing based on the at least one determined characteristic, characterizing at least one aspect of an environment around the device to determine that an object is approaching the device; based on determining that the object is approaching the device, activating a first feature of the device, wherein: the first feature is activated prior to the object being in contact with the device; and the first feature comprises reducing a volume of a ringing the first feature is activated prior to the object being in contact with the device; and the first feature comprises reducing a volume of a ringing generated by the wireless communications device; and activate a second feature of the device based on a signal received from the touch sensor indicating that the object is in contact with the device, wherein the second feature comprises muting the ringing generated by the wireless communications device.