It makes good sense for telecommunication companies to place as many antennas as possible on existing towers, where it is technically and economically feasible. This reduces the need to build new towers. It helps the tower owners to maximize their assets by adding as many tenants as possible. This process, called collocation, is encouraged by the FCC.
With this in mind, two recent enactments, one state and one federal, regarding the collocation of wireless communications equipment on existing structures and modifications to existing towers warrant attention by municipal zoning and construction officials and land use boards.
For the full article click here: New Jersey Municipalities magazine March 2013