AT&T and AST SpaceMobile: Engineering the Connected World, One Handoff at a Time

AST SpaceMobile and AT&T claim the industry's first successful handoff between a ground-based cellular network and a direct-to-device satellite network, achieved October 21, 2026 outside Granite Falls, Washington. The handoff was enabled by ground-based technology from Ericsson (AT&T's radio/core and network automation) and Nokia (radio access and mobility software powering AST's space-based network), reducing transition times from seconds to milliseconds.

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