13 August 2020
Xingyun-2 01 and 02, two satellites for China's space-based Internet of Things (IoT) project, have established two-way communication with complete link process and stable telemetry, achieving a breakthrough in inter-satellite laser communication for the country's space-based IoT constellation. The laser communication payload of each satellite weighs 6.5 kg and consumes 80 Watt. The satellites, developed by the Xingyun Satellite Co. under the China Space Sanjiang Group Co. Ltd, were the first satellites of China's space-based IoT project. They were launched on 12 May.
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