Tag Archives: Satellite telephony

08Mar/26

Starlink Direct-to-Cell: Global Deployment and Performance Analysis

Your Smartphone’s Next Roaming Partner is 350 Miles Up: 5 Surprising Realities of Starlink’s “Cell Towers in Space”

March 8, 2026 /Mpelembe Media/ — The provided sources examine the emergence and rapid expansion of Direct-to-Cell (D2C) technology, specifically focusing on Starlink’s efforts to provide Supplemental Coverage from Space (SCS). Research highlights that these satellite-based networks allow unmodified 4G LTE smartphones to connect directly to orbiting satellites, effectively eliminating terrestrial dead zones in remote areas like national parks. While initial commercial services in the United States and New Zealand focused on text messaging and emergency alerts, the technology is evolving to support voice, high-speed data, and IoT applications. Significant milestones include Airtel Africa and MTN Zambia partnering with SpaceX to launch services across the African continent, successfully piloting the first satellite-based fintech transactions. Despite technical hurdles like lower signal power and Doppler shifts, regulatory bodies worldwide are modernizing frameworks to accommodate this hybrid orbital-terrestrial model. Ultimately, these sources position D2C as a transformative tool for global digital inclusion, promising near-universal connectivity without the need for traditional ground infrastructure.

How does Starlink’s direct-to-cell technology work with unmodified smartphones?
What are the expected data speeds for satellite-to-mobile services?
How is this technology being used for emergency response and fintech?

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31Oct/25

PntGuard: Safeguarding Maritime Navigation from GNSS Spoofing

PntGuard™ is a new maritime security solution designed to combat Global Navigation Satellite System (GNSS) spoofing and jamming at sea. Developed through a collaboration between Tschudi Shipping Company, NAL Research, and SGM Technology AS, PntGuard provides vessels with authenticated, true position data even when other bridge systems are compromised by malicious electronic warfare. The source emphasises that the increasing threat of GNSS disruption poses significant risks to maritime safety and compliance, potentially leading to collisions, sanctions violations, and insurance disputes. PntGuard leverages the Iridium® low-Earth orbit (LEO) satellite network to deliver a highly resilient signal, offering a standalone navigational aid that instantly alerts crews to position falsification and provides the vessel’s true track in real-time. Continue reading

28Oct/25

Iridium Unveils PNT ASIC for Global GPS Protection

This new chip is intended to offer comprehensive protection against the rising threat of jamming and spoofing of traditional Global Navigation Satellite Systems (GNSS), such as GPS, which has led to high-profile disruptions and significant economic risk. Measuring just 8mm by 8mm, the ASIC can integrate into a wide array of devices, receiving a secure signal from the Iridium satellite network that is 1,000 times more powerful than GPS. Iridium states that this device will democratise GNSS resilience and serve as a reliable alternative or primary source for PNT data across government, industrial, and consumer applications, with commercial availability planned for mid-2026. Continue reading