An antenna assembly configured to detect proximity of a capacitive object capable of storing electrical charges and causing changes in a low frequency signal, the antenna assembly comprising: a first conductive element having a first antenna structure; a capacitive proximity sensor module electrically connected to the first conductive element, the capacitive proximity sensor module being configured to drive the first conductive element with the low frequency signal to detect proximity of the capacitive object to the first conductive element; a first radiofrequency, RF, tuning switch communicatively connected to the first conductive element and configured to selectively tune the first conductive element for communications in a first frequency band of RF signals; a RF feed antenna positioned to parasitically drive the first conductive element for communications in the first frequency band of RF signals; a second conductive element having a second antenna structure, the RF feed antenna positioned to parasitically drive the second conductive element for communications in a second frequency band of RF signals, the capacitive proximity sensor module being electrically connected to the second conductive element, and being configured to drive the second conductive element to detect proximity of the capacitive object to the second conductive element, the frequency of the low frequency signal being lower than frequencies of the first frequency band and the second frequency band of RF signals; a second RF tuning switch communicatively connected to the second conductive element and configured to selectively tune the second conductive element for communications in the second frequency band of the RF signals; and a specific absorption rate controller configured to adjust an RF transmission power output to drive the first and second conductive elements (104, 106) to comply with a specific absorption rate limit. a first conductive element having a first antenna structure; a capacitive proximity sensor module electrically connected to the first conductive element, the capacitive proximity sensor module being configured to drive the first conductive element with the low frequency signal to detect proximity of the capacitive object to the first conductive element; a first radiofrequency, RF, tuning switch communicatively connected to the first conductive element and configured to selectively tune the first conductive element for communications in a first frequency band of RF signals; a RF feed antenna positioned to parasitically drive the first conductive element for communications in the first frequency band of RF signals; a first radiofrequency, RF, tuning switch communicatively connected to the first conductive element and configured to selectively tune the first conductive element for communications in a first frequency band of RF signals; a RF feed antenna positioned to parasitically drive the first conductive element for communications in the first frequency band of RF signals; a second conductive element having a second antenna structure, the RF feed antenna positioned to parasitically drive the second conductive element for communications in a second frequency band of RF signals, the capacitive proximity sensor module being electrically connected to the second conductive element, and being configured to drive the second conductive element to detect proximity of the capacitive object to the second conductive element, the frequency of the low frequency signal being lower than frequencies of the first frequency band and the second frequency band of RF signals; a second RF tuning switch communicatively connected to the second conductive element and configured to selectively tune the second conductive element for communications in the second frequency band of the RF signals; and a specific absorption rate controller configured to adjust an RF transmission power output to drive the first and second conductive elements (104, 106) to comply with a specific absorption rate limit.