A multiband antenna includes a feeding end, a ground end, and a main body. The main body includes a first radiating path, a second radiating path, a main radiating portion and a transmitting portion. The main radiating portion connected to the feeding end by the first and second radiating paths. The transmitting portion is connected to the main radiating portion and the ground end. The first and second radiating paths, the main radiating portion and the transmitting portion are coplanar.