Frequency References

The Pendulum GPS-12R and the top-of-line High-Stability GPS-12R/HS Portable Frequency Reference clocks are ultra-stable, low-noise, GPS-disciplined Ru Learn More

The Pendulum GPS-12R and the top-of-line High-Stability GPS-12R/HS Portable Frequency Reference clocks are ultra-stable, low-noise, GPS-disciplined Ru Learn More

Deliver precision frequency and time reference with these GPS-controlled frequency standards. Learn More