AT&T, America’s second largest telecom operator, has signed a new agreement with mobile tower company Crown Castle.

The wireless operator did not reveal the financial details of the telecom infrastructure deal that will focus on the future roll out of 5G network across the nation.

AT&T said the new agreement will be simplifying and expanding its long-term leasing deal with Crown Castle for wireless network infrastructure in the U.S.

The new telecom tower deal will enable AT&T to deploy new technologies and increase network capacity. These changes will enable AT&T to speed up the deployment of 5G technologies and the execution of our FirstNet build.

“It establishes a market-based framework and simplifies the lease management and administration process. This will allow us to streamline network projects to better serve our wireless customers,” Susan Johnson, executive vice president – Global Connections and Supply Chain, AT&T, said.

In addition to macro sites, the new telecom tower agreement covers deployment of small cells that are necessary to improve wireless networks, keep up with increasing mobile data usage and lay the foundation for 5G, Mike Kavanagh, chief commercial officer, Crown Castle, said.

Crown Castle owns, operates and leases more than 40,000 cell towers and approximately 60,000 route miles of fiber supporting small cells and fiber solutions across every major U.S. market.