Antennae

The utility model relates to an antenna which can be assembled on a fixed post of a mobile phone, and comprises a body part, wherein a circular high frequency radiation part is extended out from the middle of the body part and is provided with a first extension part, a second extension part and a third extension part; a feed-in part is extended out from one end of the body part, a low frequency radiation part is extended out from the other end of the body part and is provided with a first radiation part, the circling direction of the first radiation part is identical with that of the high frequency radiation part, a folded second radiation part is extended out from the tail end of the first radiation part, a third radiation part is extended out from the tail end of the second radiation part, and a fourth radiation part is extended out from the tail end of the third radiation part; and the high frequency radiation part and the low frequency radiation part circulate and cover the fixed post of the mobile phone.