The BlueWalker 3 low Earth orbit satellite, in test transmissions, communicated with everyday smartphones reaching initial download speeds above 10 Mbps during Hawaii testing.

AST SpaceMobile, the company building the first and only space-based cellular broadband network accessible directly by standard mobile phones, announced it has achieved repeated successful download speeds above 10 Mbps during testing of BlueWalker 3. Space-based cellular communications at 4G speeds using unmodified smartphones.

This is claimed as a “world first” in telecommunications from space. Senior staff from Nokia, AT&T and Vodafone congratulated AST.

Engineers conducted download speed tests in Hawaii during June using multiple everyday, off-the-shelf smartphones. The 4G LTE download speed testing, which used AT&T spectrum and Nokia RAN technology, reached initial speeds up to 10.3 Mbps, with further testing of voice calls to AT&T employees. Evaluation of BlueWalker 3’s capabilities continues, with enablement of 5G cellular broadband as the next major test activity.

“This is an important milestone that will see real mobile broadband connectivity delivered directly to smartphones from space via AST SpaceMobile’s platform. As the RAN provider, we are proud to play a role in this important initiative that will provide crucial connectivity around the world,” stated AST.

“AST SpaceMobile’s space-based cellular capabilities are designed to be a critical extension for cellular communications. In addition to supporting basic voice and text that we expect from phones, it would also enable users to browse the internet, download files, use messaging apps or stream video,” said Abel Avellan, Chairman/CEO of AST SpaceMobile. “Achieving this milestone from an unmodified, standard cell phone on the ground connecting through our low Earth orbit satellite is another ground-breaking moment in telecommunications history and an important step toward AST SpaceMobile’s goal of bringing broadband services to parts of the world where cellular coverage is either unreliable or simply does not exist today.”

Chris Sambar, Head of AT&T Network, said: “Successfully reaching double-digit download speeds during satellite-to-smartphone testing takes us one step closer to ensuring people across the United States will be able to stay connected no matter their location. This milestone wouldn’t be possible without the overall focus and determination of the teams working daily to achieve our shared space-based vision of connectivity.”

Alberto Ripepi, Chief Network Officer at Vodafone, said: “Each mobile milestone in Vodafone’s history has moved us closer to connectivity for all. Achieving these mobile speeds, via satellite direct to standard 4G smartphones, shrinks the digital divide even further. Together with Vodacom and AST SpaceMobile, we look forward to bringing this capability to our customers in the hardest to reach areas of Africa and Europe.”

Tommi Uitto, President of Mobile Networks at Nokia, said: “This is an important milestone that will see real mobile broadband connectivity delivered directly to smartphones from space via AST SpaceMobile’s platform. As the RAN provider, we are proud to play a role in this important initiative that will provide crucial connectivity around the world.”

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Categories: Articles, Satellite

Tags: AST SpaceMobile, BlueWalker 3