O2 (UK) first commercial General Packet Radio Service. BT Cellnet, together with BT Group's mobile telecommunications businesses in Germany, Ireland and the Netherlands, was part of the BT Wireless division. This was spun off from the BT Group in 2002 to form a new holding company, mmO2 plc, which introduced the new "O2" brand for the businesses. In 2005, mmO2 plc was renamed O2 plc. O2 plc was purchased by the Spanish telecommunications company Telefónica in 2006 for £18 billion. Under the terms of the acquisition, Telefónica agreed to retain the "O2" brand and the company's UK headquarters. O2 plc became Telefónica
SBA Communications 20,079 towers. The company also managed or leased approximately 4,800 actual or potential towers. In addition, it provides various site development services comprising network pre-design; site audits; identification of potential locations for towers and antennas; support in buying or leasing of the location; assistance in obtaining zoning approvals and permits; tower structure construction; antenna installation; and radio equipment installation, commissioning, and maintenance. SBA Communications Corporation was founded in 1989 and is headquartered in Boca Raton, Florida. The current CEO is Jeffrey A. Stoops. SBA Communications SBA Communications Corporation owns and operates wireless infrastructure, including small cells, indoor/outdoor distributed antenna systems,