The new hardware, measuring just 8 by 8 millimeters and weighing less than 0.2 grams, delivers one-way signal bursts from Iridium’s satellite network. This capability offers a vital backup for financial markets, power grids, and aviation systems that require precise synchronization. The release arrives following a surge in interference incidents, including the May 2026 jamming of U.K. Defence Secretary John Healey’s aircraft, which highlighted the vulnerability of modern navigation systems. Experts estimate that a total U.S. GPS outage would now cost the economy more than $1.3 billion daily.
Iridium Releases Compact Chip to Shield Critical Infrastructure from GPS Spoofing
With global reliance on GPS reaching a breaking point, Iridium Communications has launched its PNT ASIC, a miniature chip designed to counter the rising threat of satellite signal jamming. The technology provides cryptographically secure timing and location data, functioning even in environments where traditional GNSS signals fail or are compromised.
Since its initial announcement in late 2025, the chip has drawn interest from over 150 organizations across sectors ranging from maritime to telecommunications. Early adopters are already integrating the technology into specialized hardware. Solace Communications is incorporating the ASIC into its Vector platform to provide confidence-scored positioning, while Skyband Systems is embedding it into its M100 navigation units for commercial aviation. Dr. Michael O'Connor, Iridium’s executive vice president for PNT, noted that the commercial availability of the chip allows manufacturers to build resilient location tracking into smaller, more efficient devices than previously possible.
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