en.Wedoany.com Reported - At 15:30 Beijing Time on June 11, China successfully launched the Communication Technology Test Satellite-25 into space using a Long March-5 carrier rocket from the Wenchang Spacecraft Launch Site. The satellite entered its predetermined orbit smoothly, marking a complete success for the launch mission. This satellite is primarily used for multi-band, high-rate satellite communication technology verification.

This mission continues the technology verification pathway of China's Communication Technology Test Satellite series. Multi-band, high-rate satellite communication is a key direction for future space information networks, relating to high-throughput data transmission, integrated space-terrestrial communication, long-distance information relay, and communication link stability in complex scenarios. With the growing demand for low-orbit constellations, geosynchronous orbit communication satellites, emergency communication, maritime communication, aviation communication, and network coverage in remote areas, satellite communication systems need to complete in-orbit verification under conditions of wider bands, higher rates, and greater reliability. After entering its predetermined orbit, Communication Technology Test Satellite-25 will provide a new space test platform for relevant technical routes.

The Long March-5's involvement in this launch also reflects the launch capacity requirements of large communication test satellites. The Long March-5 is a relatively powerful rocket model in China's active Long March series, primarily designed for launching large spacecraft, high-orbit missions, and deep space exploration. For communication technology test satellites, a larger platform capacity typically means the ability to carry more complex communication payloads, stronger energy systems, and more comprehensive in-orbit verification conditions.

This mission marks the 650th flight of the Long March carrier rocket series. Since entering the high-density launch phase, the Long March series has covered mission types including crewed spaceflight, lunar and Mars exploration, cargo spacecraft, remote sensing, navigation, communication, space science, and technology tests. The 650th flight is not just an update to the launch sequence number but also reflects the continuous accumulation of China's space launch system in mission organization, model maturity, launch site support, and high-frequency execution capability. In recent years, the Wenchang Spacecraft Launch Site has undertaken multiple launch missions for new-generation carrier rockets and large spacecraft, with its low-latitude location and conditions facing the sea-based drop zone providing important support for large high-orbit missions.

For the information and communication industry, satellite communication technology verification will continue to drive upgrades in satellite-borne communication payloads, radio frequency front-ends, phased array antennas, on-board processing, laser communication, ground gateways, satellite network management, and terminal equipment. Once multi-band, high-rate capabilities are verified in orbit, they will help subsequent communication satellite systems increase capacity, improve link quality, and provide technical reserves for emergency rescue, ocean shipping, aviation internet, broadband access in remote areas, and integrated space-terrestrial network construction. Subsequent milestones focus on the progress of satellite in-orbit testing, communication payload verification results, and whether related technologies will be further introduced into subsequent satellite communication systems. If verification proceeds smoothly, Communication Technology Test Satellite-25 will provide important support for China's next phase of space communication capability construction.

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