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TimeTools T550 GPS/GLONASS/BeiDou/Galileo Dual-LAN NTP Server with TCXO

T550 GPS/GLONASS/BeiDou/Galileo Dual-LAN NTP Server Appliance with TCXO

Unit Price (Ex-Works): GBP 1540.00 \ EUR 1867.00 \ USD 2055.00

Availability: In-Stock

Price Includes: T550 Multi-GNSS NTP Server Appliance, Multi-GNSS Timing Antenna, Antenna Mount, 30m Cable, 3-Year Warranty.

Made in UK.

TimeTools T550 time server is a very accurate, Stratum-1 Multi-GNSS referenced Network Time Protocol Server in a 1U rack-mountable enclosure. The built-in 32 channel timing receiver provides concurrent multi-constellation reception of GPS and either GLONASS, BeiDou or Galileo for improved reliability and redundancy.

The T550 also features Dual Ethernet ports and a high-stability TCXO oscillator, which provides extended Stratum1 holdover during loss of GNSS signal lock.

The T550 provides an accurate time reference to computer networks of any size and can accurately synchronize any NTP or SNTP compatible system.


  • NTPv4 Stratum-1 GPS\Multi-GNSS Network Time Server.
  • Multi-GNSS concurrent reception of GPS and either GLONASS, BeiDou or Galileo for improved reliability and redundancy.
  • High-stability TCXO oscillator provides extended Stratum-1 holdover during loss of GNSS signal lock.
  • GNSS accurate to 15 nanoseconds (GPS Locked).
  • NTP accurate to 3 microseconds (GPS Locked).
  • Synchronize in excess of 2 million clients at default NTP polling frequency.
  • Dual 10/100 Mbit auto-sensing, auto-MDIX Ethernet ports.
  • IPv4 and IPv6 Internet Protocols.
  • Simple Network Management Protocol Monitoring (SNMP v3).
  • Integrated universal AC mains input PSU.
  • Made in UK, with 3-year warranty and free lifetime support.


Network timing, measurement and synchronization.
Synchronize Microsoft Windows, Linux, servers, workstations and network infrastructure.
Automation Systems, SCADA, Network Monitoring and Control Systems.
CCTV, DVR and Video Management Systems (VMS).
Access Control Systems (ACS).
Master clock for NTP synchronized clock systems.
Accurately synchronize time critical processes to a traceable source of time inside your firewall.

Customer References and Testimonials

A large number of prestigious organisations from around the world trust TimeTools for their synchronization requirements. Here is a small selection:

TimeTools Customer List

See more customer references.

“Not only has the TimeTools product performed as advertised but it is also cost-effective. Outstanding customer support. What more could anyone want?”
Carollo Systems, USA

TimeTools T550 GNSS NTP Server Warranty Terms & Conditions

TimeTools Limited warrants the T550 Multi-GNSS NTP Server appliance to be free from defects in material and workmanship during a three-year period.

TimeTools Limited warrants GPS/GNSS Antennas, GPS Amplifiers, Cables and any integral batteries to be free from defects in material and workmanship during a twelve-month period.

The Warranty begins on the date the unit is shipped from TimeTools Limited.

Please see T300/T550 Hardware Guide for full warranty terms and conditions.

Help & Support

TimeTools Limited provides free email and telephone support for the lifetime of the T300 product.

For help and support, please email

Product Codes

T550-00     Multi-GNSS Dual-LAN TCXO NTP Server Appliance.

Scope of Supply – What is Included

T550            Multi-GNSS Dual-LAN TCXO NTP Server Appliance.

T-3740        Pole Mounting Multi-GNSS Antenna .
MT4-GPS   Antenna Mount.
TCX-030    30m (100 ft) LMR195 Equivalent Cable.

IEC Power Lead.
RS232 Serial Console Cable.
Quick Start Guide.
CD containing user-guide, installation guide and white-papers.

Optional Accessories

TCX-010       10m LMR195 Equivalent Cable.
TCX-050       50m LMR195 Equivalent Cable.
TCX-100       100m LMR400 Equivalent Cable.

Custom cable lengths available on request.

SPP-GPS      Multi-strike maintenance-free surge suppressor
T-AD200-8  GPS Amplifier – 20db


PDF Download  T550 Datasheet
PDF Download  Quick Start
PDF Download  T1201 T300 T550 Hardware Guide
PDF Download  T1202 Antenna Installation Guide
PDF Download  T1300 T-Series User Guide