VIAVI Launches Compact GNSS-Disciplined Oscillator for Defense and Critical Infrastructure
Event summary
- VIAVI introduced the µPNT GDO-1000, a GNSS-disciplined oscillator measuring 22mm x 42mm and weighing under 4 grams.
- The device offers microsecond-class 24-hour holdover from a MEMS-based oscillator, addressing GNSS interference concerns.
- Designed for defense, airborne platforms, unmanned systems, data centers, and communications equipment.
- Features dual-frequency L1/L5 GNSS reception, AI/ML algorithms for environmental compensation, and M.2 B-key form factor.
- Will be showcased at the 2026 Joint Navigation Conference from June 1-4.
The big picture
VIAVI's µPNT GDO-1000 targets a growing demand for compact, low-power precision timing solutions amid increasing GNSS interference concerns. The product addresses supply constraints and cost pressures associated with chip-scale atomic clocks, positioning VIAVI as a key player in defense and critical infrastructure timing technologies. The launch aligns with broader industry trends toward resilient timing solutions in GPS/GNSS-denied environments.
What we're watching
- Market Adoption
- How quickly defense and critical infrastructure sectors will integrate the GDO-1000 into their systems.
- Competitive Response
- Whether existing providers of chip-scale atomic clocks (CSACs) will counter with more compact, cost-effective solutions.
- Technological Advancements
- The pace at which VIAVI can further miniaturize and enhance the performance of its timing solutions.
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