Discontinued Products Support
Free Lifetime Technical Support
We support our products for as long as you own them with FREE technical support by phone or email and free software upgrades as they become available. No maintenance contract required.
| Model Name | Last-Time-Buy Date | Support Information |
| FDC3300 Frequency Distribution Chassis Replacement is FDC3300e | December 2019 | FDC3300 Datasheet User Manual No software upgrades available. No product bulletins available. |
| FDC3302 Frequency Distribution Chassis Replacement is FDC3302e | December 2019 | FDC3302 Datasheet User Manual No software upgrades available. No product bulletins available. |
| Meridian CDMA Frequency Reference | March 2016 | Meridian Datasheet Options Datasheet User Manual Upgrade Software Product Bulletins |
| Meridian Precision GPS TimeBase | June 2015 | Meridian Datasheet Options Datasheet User Manual Upgrade Software Product Bulletins |
| PDC3301 Pulse Distribution Chassis Replacement is PDC3301e | December 2019 | PDC3301 Datasheet User Manual No software upgrades available. No product bulletins available. |
| Praecis Ce Time & Frequency Engine | October 2010 | User Manual Upgrade Software Product Bulletins |
| Praecis Cf Time & Frequency Reference | October 2010 | User Manual Upgrade Software Product Bulletins |
| Praecis Cfr Time & Frequency Reference (CDMA-Synchronized) | October 2003 | User Manual Upgrade Software Product Bulletins |
| Praecis Cfr II Time & Frequency Reference | June 2010 | User Manual |
| Praecis Ct Computer Time Source | August 2010 | User Manual Upgrade Software Product Bulletins |
| Praecis Gfr Time & Frequency Reference (GPS-Synchronized) | August 2003 | User Manual Upgrade Software Product Bulletins |
| Praecis Cntp Network Time Server (CDMA-Synchronized) | February 2005 | User Manual Upgrade Software Product Bulletins |
| Praecis Gntp Network Time Server (GPS-Synchronized) | February 2005 | User Manual Upgrade Software Product Bulletins |
| Praecis II Timing Module | April 2020 | |
| RTM3204 GPS Timing Module | February 2015 | Datasheet User Manual Product Bulletins |
| Sonoma CDMA-Synchronized NTP Time Server | December 1, 2025 | Datasheet D12 User Manual N12 User Manual Product Bulletins |
| Sonoma D12 and N12 GPS Network Time Server Replacement is Sonoma D22 and N22 | December 1, 2025 | Datasheet D12 User Manual N12 User Manual Product Bulletins |
| TDC3303 Time Code Distribution Chassis Replacement is TDC3303e | December 2019 | TDC3303 Datasheet User Manual No software upgrades available. No product bulletins available. |
| Tempus Cntp Network Time Server (CDMA-Synchronized) | August 2005 | User Manual Upgrade Software Product Bulletins |
| Tempus Gntp Network Time Server GPS-Synchronized) | November 2004 | User Manual Upgrade Software Product Bulletins |
| Tempus LX Network Time Server (CDMA-Synchronized) | June 2013 | Datasheet User Manual Paper: Precision Time Protocol (PTPv1) Upgrade Software Product Bulletins |
Tempus LX Network Time Server (GPS-Synchronized) | June 2013 | Datasheet User Manual Paper: Precision Time Protocol (PTPv1) Upgrade Software Product Bulletins |
| Tycho CDMA Frequency Reference | March 2016 | Tycho Datasheet Options Datasheet User Manual Upgrade Software Product Bulletins |
| Tycho GPS Frequency Reference | April 2015 | Tycho Datasheet Options Datasheet User Manual Upgrade Software Product Bulletins |
| Unison Network Time Server (CDMA-Synchronized) | December 2013 | Datasheet User Manual Upgrade Software Product Bulletins |
| Unison Network Time Server (GPS-Synchronized) | December 2013 | Datasheet User Manual Upgrade Software Product Bulletins |
