Indonesian telco invests in Stratospheric Platforms’ 5G-in-the-sky

High-altitude 4G-5G basestation company Stratospheric Platforms (SPL) has received investment from the largest telecommunication infrastructure company in Indonesia, PT Profesional Telekomunikasi Indonesia (Protelindo).

Its value is not being disclosed.

SPL’s aim is to create hydrogen-powered aircraft which carry multi-beam 5G basestations that can each cover thousands of square km. Indonesia is spread over 17,000 islands and 1.9million square km.


“This strategic partnership and investment will enable SPL to explore with Protelindo development of a high-altitude platform to address Indonesia’s challenging topography,” according to SPL.


The aim is for the aircraft to cover 15,000km2 with links at up to 200Mbit/s.

Last month, Cambridge (UK) based SPL, announced a deal with BT to ground-test prototype phased-array antennas.

SPL’s website can be found here.

Steve Bush

Steve Bush is the long-standing technology editor for Electronics Weekly, covering electronics developments for more than 25 years. He has a particular interest in the Power and Embedded areas of the industry. He also writes for the Engineer In Wonderland blog, covering 3D printing, CNC machines and miscellaneous other engineering matters.

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