The Secure µPNT STL‑1000 is an ultra‑compact, resilient PNT module in an M.2 B‑Key form factor designed for applications requiring secure, precise timing and positioning. It features a MEMS TCXO with 10 ppb stability, a secure STL receiver, and provides 1 PPS accuracy of under 65 ns rms to UTC. The module supports 3.3 V CMOS 10 MHz and 1 PPS outputs, external 1 PPS disciplining, and SCPI or NMEA interfaces. With low power consumption of about 1 W, field‑upgradeable firmware, and compatibility with GPSCon and JLTerm, it is suitable for defense, communications, transportation, data centers, energy, financial systems, and critical infrastructure.

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