These towers tend to be the most expensive to build. Delta tower used for television, microwave and power transmission, self-supported towers can have either three or four legs. Built on the ground or on buildings, these towers generally feature a lattice frame design. Self-supporting towers are the strongest and have the greatest resistance to wind loads of any of the three communication tower designs. These towers can range from 30 to 490 feet high. We supply 30Mt to 60Mtr height Delta self-supporting Tower to our Customers in India.