Event

Zephyr conducts stratospheric 4G connectivity test in Kenya

Mar 3, 2025 · Capability · AALTO · Aerial

  • AALTO completed connectivity testing in Kenya on behalf of Space Compass and partner NTT DOCOMO.
  • Zephyr connected a 4G mobile device on the ground through a connectivity payload while flying above 60,000 feet.
  • AALTO described the test as the first wireless connection achieved by a fixed-wing HAPS flying continuously above 60,000 feet.

AALTO is an Airbus subsidiary commercialising Zephyr, a solar-powered High Altitude Platform Station operating in the stratosphere above conventional air traffic. The company designs, manufactures, and operates Zephyr to provide persistent connectivity, Earth observation, and government C4ISR services from long-endurance fixed-wing stratospheric aircraft.

Company
AALTO
Segment
Aerial
Event type
Capability
Geography
Farnborough · United Kingdom