 BT Airwave was part of the BT Wireless division which was spun off from BT Group in 2002 to ultimately become part of 
O2 and became Airwave O2 Limited, commonly known as O2 Airwave.In April 2007, Airwave was acquired by two Macquarie Group investment funds, Macquarie European Infrastructure Fund II (MEIF II) and Macquarie CPPIB Communications Pty Limited, for £1.9 billion.On 3 December 2015 the company was acquired by Motorola Solutions for £817million.