Recently, Ti Group Telecommunications Service (hereinafter referred to as “TiComms”) has completed the development of Tiantong satellite testing capabilities, becoming one of the few laboratories in China offering full-range testing and certification services for Tiantong satellite terminals. TiComms will provide specialized Tiantong satellite testing and certification services to terminal manufacturers, module suppliers, and industrial clients, accelerating compliant product launches and enabling customers to secure first-mover advantages in the satellite communication market.
What is Tiantong Satellite Testing?
The Tiantong satellite service operates on China’s independently developed *Tiantong-1 Satellite Mobile Communication System*, delivering voice, SMS, and data communication. Terminal devices must undergo rigorous testing to ensure compliance with the technical specifications and network access requirements of the Tiantong satellite system.
Core Testing Categories
RF Performance Testing
Maximum transmit power
Uplink power control
Switching time template
Error Vector Magnitude (EVM)
Frequency and timing errors
Adjacent Channel Leakage Power Ratio (ACLR)
Occupied bandwidth
Reference sensitivity level
Anti-interference capability
Satellite signal handover and stability
Frequency & Timing Accuracy Testing
Occupied bandwidth validation
Protocol Conformance Testing
Signaling process verification
Core procedure testing (access, registration, handover)
Interoperability testing with Tiantong satellite networks
Functional & Performance Testing
Voice call quality
SMS transmission/reception success rate
Data transfer speed and stability
Environmental Adaptability Testing
Reliability under extreme conditions (high/low temperature, humidity, vibration)
Performance validation in specialized scenarios
Applicable Products
Tiantong satellite phones
Tiantong satellite-enabled IoT terminals
Tiantong satellite modules
Industry-specific customized terminals
Key Reference Standards
*China Telecom Mobile Terminal Requirements White Paper – Handheld Satellite Terminal Edition
*China Telecom Mobile Terminal Testing Methods – Handheld Satellite Terminal Edition
*China Telecom Mobile Terminal Requirements White Paper – Non-Handheld Satellite Terminal Edition
*China Telecom Mobile Terminal Testing Methods – Non-Handheld Satellite Terminal Edition
*Technical Requirements for Handheld Terminals of the Tiantong-1 Satellite Mobile Communication System
*General Specifications for Satellite Communication Vehicle-Mounted Terminals