Compact antenna with dual tuning mechanism

An antenna, including at least one set of conductive arms radiative at a resonant frequency, the at least one set of conductive arms including a first conductive arm having a first terminus and a second conductive arm having a second terminus, the first and second termini being closely spaced so as to form a capacitive gap therebetween, the capacitive gap having a width, a feed connection located on the first conductive arm, a first electrical length being defined along the first conductive arm between the feed co-nection and the first terminus, a ground connection located on the second conductive arm, a second electrical length being defined along the second conductive arm between the ground connection and the second terminus, the resonant frequency depending at least on the width of the capacitive gap and on the first and second electrical lengths. 种天线，其包含：至少组导电臂，辐射于谐振频率；所述至少导电臂组包括具有第末端的第导电臂和具有第二末端的第二导电臂，所述第末端和所述第二末端接近地间隔开以形成电容隙于其间，所述电容隙具有宽度；馈送连接，位于所述第导电臂，第电性长度是定义于沿着所述第导电臂，在所述馈送连接与所述第末端之间；通地连接，位于所述第二导电臂，第二电