Why did Vodafone expand first in the United States through the acquisition of 45 percent of AirTouchs

Question:

Why did Vodafone expand first in the United States through the acquisition of 45 percent of AirTouch’s share, although there was no technology compatibility between North America and Europe, making roaming and other synergies between the UK and U.S. networks impossible? What competences did the company have that it could use in this venture? L01

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