Types of communication structures Steel and concrete towers are classified according to the materials used.

According to the location of the division, there are tower and the roof tower.

According to the form of steel structure, there are space truss tower and single tube tower. Wherein the space truss column is divided into angle steel towers and steel pipe towers according to the main force components of the steel trusses; the single tube tower has a circular cross-section single-tube tower and a sleeve-type variants ( 8-16 square) single tube tower and so on.

According to the form of force, there are cantilever bending structure of the space truss tower and single tube tower, with a rope to support the tower to form a flexible bearing continuous beam of the cable tower.