An antenna assembly, comprising: a first antenna (505; 805) adapted to operate at a first frequency, the first antenna (505; 805) comprising: a resonance element (520; 820) adapted to resonate at said first frequency, the resonance element (520; 820) being electrically connected to a first feed point (525; 825) which provides a connection to a first feed transmission line (530; 830) for transmitting communication signals to/from the first antenna (505; 805); and a second antenna (510; 810) adapted to operate at a second frequency, the second antenna (510; 810) comprising: a resonance element (540; 840) adapted to resonate at said second frequency; and a capacitive coupling element (550; 850) adapted to feed an input signal received at a second feed point (555; 855) to the resonance element (540; 840) of the second antenna (510; 810) for creating a resonance at said second frequency; characterized in that the resonance element (520; 820) of the first antenna (505; 805) and the resonance element (540; 840) of the second antenna (510; 810) are arranged so as to lie on different planes substantially perpendicular to each other; and the capacitive coupling element (550; 850) is a conductor element with an inverted L-shape which has a non-planar structure with first (565; 865) and second arms (575; 875) connected to each other at substantially a right angle, wherein the first arm (565; 865) is electrically connected to the second feed point (555; 855), the second arm (575; 875) is arranged on a same plane as the resonance element (570; 870) of the second antenna (510; 810), the resonance element (570; 870) of the second antenna (510; 810) being interposed between the second arm (575; 875) of the capacitive coupling element (550; 850) and the resonance element (520; 820) of the first antenna (505; 805) with respective separation gaps, and the dimensions of the first arm (565; 860), the second arm (570; 870) and the separation gaps are selected so as to provide a desired capacitive feed of the input signal to the resonance element (540; 840) of the second antenna (510; 810) while reducing electromagnetic interference of the capacitive coupling element (550; 850) with the first antenna (505; 805). a first antenna (505; 805) adapted to operate at a first frequency, the first antenna (505; 805) comprising: a resonance element (520; 820) adapted to resonate at said first frequency, the resonance element (520; 820) being electrically connected to a first feed point (525; 825) which provides a connection to a first feed transmission line (530; 830) for transmitting communication signals to/from the first antenna (505; 805); and a resonance element (520; 820) adapted to resonate at said first frequency, the resonance element (520; 820) being electrically connected to a first feed point (525; 825) which provides a connection to a first feed transmission line (530; 830) for transmitting communication signals to/from the first antenna (505; 805); and a second antenna (510; 810) adapted to operate at a second frequency, the second antenna (510; 810) comprising: a resonance element (540; 840) adapted to resonate at said second frequency; and a capacitive coupling element (550; 850) adapted to feed an input signal received at a second feed point (555; 855) to the resonance element (540; 840) of the second antenna (510; 810) for creating a resonance at said second frequency; a resonance element (540; 840) adapted to resonate at said second frequency; and a capacitive coupling element (550; 850) adapted to feed an input signal received at a second feed point (555; 855) to the resonance element (540; 840) of the second antenna (510; 810) for creating a resonance at said second frequency; characterized in that the resonance element (520; 820) of the first antenna (505; 805) and the resonance element (540; 840) of the second antenna (510; 810) are arranged so as to lie on different planes substantially perpendicular to each other; and the capacitive coupling element (550; 850) is a conductor element with an inverted L-shape which has a non-planar structure with first (565; 865) and second arms (575; 875) connected to each other at substantially a right angle, wherein the first arm (565; 865) is electrically connected to the second feed point (555; 855), the second arm (575; 875) is arranged on a same plane as the resonance element (570; 870) of the second antenna (510; 810), the resonance element (570; 870) of the second antenna (510; 810) being interposed between the second arm (575; 875) of the capacitive coupling element (550; 850) and the resonance element (520; 820) of the first antenna (505; 805) with respective separation gaps, and the dimensions of the first arm (565; 860), the second arm (570; 870) and the separation gaps are selected so as to provide a desired capacitive feed of the input signal to the resonance element (540; 840) of the second antenna (510; 810) while reducing electromagnetic interference of the capacitive coupling element (550; 850) with the first antenna (505; 805).