Products listed below can be configured as a IEEE-1588/PTP Grandmaster Clock. Here are the timestamp resolution and accuracy specifications:
| Model | Timestamp Resolution | Timestamp Accuracy to UTC (RMS) |
| Sonoma (GPS) Network Time Server |
8 nanoseconds | 30 nanoseconds |
| Sonoma (CDMA) Network Time Server |
8 nanoseconds | 10 microseconds (typical) |
| Meridian II Precision TimeBase |
8 nanoseconds | 10 nanoseconds |
| Tycho II Precision TimeBase |
8 nanoseconds | 25 nanoseconds |