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Network Card for GPS

The Masterclock PCIe-GPS card receives reference time from atomic clocks orbiting in GPS (Global Positioning System) satellites to provide the most accurate time and date information. When locked to GPS (and the PCIe), your PC accuracy is ±2 milliseconds with reference to the source.  High-stability oscillator options increase holdover accuracy to up to ±250ms/year.

  • Provides legally traceable time to UTC
  • Synchronizes PC to ± 2 milliseconds of GPS reference
  • Provides millisecond accuracy to Windows and Linux applications
  • Microsecond accuracy achievable through API development
  • Fully configurable time zone and daylight saving time offsets
  • PCIe revision 2.0 – slot compatible X1 through X16
  • LED status indicator


Holdover Accuracy

  • With loss of power or time reference syncronization, device reverts to an internal battery-backed real-time clock chip with accuracy of ±1min/year

High-stability Oscillator Options

  •  HSO-1 with TCXO provides accuracy of ± 3 seconds/year
  • HSO-2 with OXCO provides typical stability of ± 250ms/year after 30 days of aging


  • API software development kit and documentation is provided for designers

System Requirements

  • Supported Drivers:
    • Windows XP (32bit) /7/8/10 (32 & 64 bit)
    • Windows Server 2003 R2/2008 R2/2010/2012/2016
    • Linux
  • Windows OS requires Net Framework 4.0 and a Windows Visual Studios C++ to be installed

Antenna Options

  • Basic antenna package includes magnetic GPS antenna and 15 ft (5 m) of cable
  • Standard antenna package includes outdoor GPS antenna, mounting kit, and 50 ft (15 m) of cable


  • Length: 6.6 in (167.6 mm)
  • Height: 2.712 in (68.8 mm)
  • Low profile card and bracket standard
  • Full height bracket included

Operating Parameters

  • Temperature: 0 to 60 °C


  • FCC, CE Marked, ROHS, ANSI

» PCIe-GPS Data Sheet
» PCIe-GPS User Manual