Oscilloquartz, a subsidiary of Adtran since 2021, is a manufacturer of precision timekeeping electronics. They specialize in atomic clocks, including optical cesium atomic clocks, and Precision Time Protocol (PTP) hardware and GNSS clocks. Their products are designed for critical applications requiring high accuracy and stability, such as in defense, aerospace, metrology, and telecommunications, with support from organizations like the European Space Agency (ESA). Key products include grandmaster clocks and enhanced primary reference time clocks (ePRTCs).
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Adtran’s Oscilloquartz division provides compact devices that receive Iridium STL signals as part of the solution for L3Harris.
The Adtran Oscilloquartz OSA 5405-S PTP grandmaster clock can receive STL signals alongside GNSS-based timing.