![H3Grob high-altitude G520](/sites/default/files/styles/crop_freeform/public/2020-10/techweek44_1_deutche-telekom-promo.jpg?itok=sHUs876g)
Credit: Deutsche Telekom
Fuel Cells Take 5G to the Stratosphere A UK startup is developing a hydrogen-fuel-cell-powered, high-altitude, long-endurance unmanned aircraft that will provide broadband connectivity to remote areas. Stratospheric Platforms (SPL) is working with Northrop Grumman’s Scaled Composites on the twin...
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