Masterclock's newest master clock server, the GMR5000 can support and synchronize hundreds of thousands of NTP devices on a local area network (LAN) to act as an enterprise-wide source for traceable, accurate time and date distribution. It offers Secure-Socket-Host encryption and MD5 authentication to make communications secure. It can reference GPS, GLONASS, IRIG-B, or maintain its own time with a high-stability oscillator. The holdover stability of the standard TCXO is plus or minus three seconds per year when the timing reference is lost. This can be increased to plus or minus 250 milliseconds per year with the optional OCXO. to learn how our precise timing products can help your organization's efficiency and productivity.