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China tested in orbit something that Starlink does not have: a laser capable of transmitting at 1 Gbps from double the distance, with only 2 W of power.

Written by Noel Budeguer
Published on 25/03/2026 at 13:34
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China achieves 1 Gbps in GEO orbit with low-power laser, uses optical correction to overcome the atmosphere and opens a less congested route for the new race of space connectivity

China has placed GEO orbit at the center of the satellite internet dispute by demonstrating a 1 Gbps connection using laser and very low power. The achievement draws attention because it occurred about 36,000 km from Earth, a much farther orbital range than that used today by the most popular constellations.

In practice, this disrupts the current logic of the sector. The race has been almost entirely focused on LEO orbit, which operates closer to the planet and already includes large-scale projects. With the new test, GEO returns to the radar as a real alternative to increase capacity and reduce pressure on the more congested space.

GEO returns to the game with 36,000 km

GEO orbit has been used for decades in communication satellites, but it has always carried significant limitations for internet. Among them are higher latency, lower bandwidth, and greater difficulty in maintaining signal quality when crossing the atmosphere.

These obstacles have helped transform LEO orbit into the favorite for fast connections. Nevertheless, the Chinese demonstration shows that GEO can gain a new role, especially if optical correction techniques can maintain stability and speed over much greater distances.

Types of satellite orbits around Earth: the image compares three main orbital regions. LEO (Low Earth Orbit) is between 500 and 2,000 km, ideal for Earth observation and applications requiring low latency. MEO (Medium Earth Orbit) ranges from 8,000 to 20,000 km, commonly used in navigation and telecommunications systems. GEO (Geostationary Orbit) is at 35,786 km, where satellites remain seemingly fixed over the same point on the planet, essential for communications and weather monitoring.

Test achieves 1 Gbps with only 2 W

The most striking data is the power used in the transmission beam. It was only 2 W, a very low level for an experiment of this scale, suggesting a more efficient path for high-speed communication between satellite and ground.

This result does not mean that the entire system consumes only this, but indicates that the laser link can operate quite economically. For a sector that relies on scale, energy, and coverage, this combination has strategic weight.

Optical correction changes the reading of the experiment

The advancement depended on compensating for the distortions caused by the atmosphere. This effect usually deflects the signal and reduces performance, especially over long distances. Correction with ground optics and algorithm adjustments appears as a central piece to maintain stable communication.

According to SCMP, a Hong Kong newspaper with international technology coverage, Chinese researchers used studies on atmospheric distortion and refraction to adjust the beam and sustain the 1 Gbps rate under conditions that previously seemed unviable for this type of connection.

LEO orbit saturation pressures the sector

The race for satellite internet continues to accelerate in LEO orbit. Projects like Starlink, Amazon Kuiper, and IRIS² reinforce the race for space, coverage, and customers, while new operators also seek presence in the lower bands of Earth orbit.

This movement increases the risk of saturation. The more satellites in operation, the greater the pressure on orbital management, coordination, and system sustainability. Therefore, any viable solution outside of LEO gains immediate value within the global strategy of the sector.

GEO can become a complementary route for large networks

The Chinese demonstration does not eliminate the importance of LEO, but suggests a complementary model. Instead of relying solely on thousands of satellites in lower orbits, the market may begin to consider architectures with functions distributed across different altitudes.

If the technology scales, GEO orbit can offer wide coverage with less saturation and open a new front for space infrastructure. This repositions the competition for global connectivity and changes the strategic reading.

The Chinese experience reinforces that the future of satellite internet does not depend only on launching more units into space. The efficiency of transmission, signal correction, and intelligent use of orbits become as significant as the size of the constellation.

With 1 Gbps, 2 W, and operation at 36,000 km, China places a concrete alternative on the table. If this path advances to commercial scale, the space race enters a new phase and pressures the region.

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Noel Budeguer

Sou jornalista argentino baseado no Rio de Janeiro, com foco em energia e geopolítica, além de tecnologia e assuntos militares. Produzo análises e reportagens com linguagem acessível, dados, contexto e visão estratégica sobre os movimentos que impactam o Brasil e o mundo. 📩 Contato: noelbudeguer@gmail.com

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