LeoNTP Networked Time NTP Server

Price: 300.00GBP



LeoNTP is a Stratum 1 NTP time server with GPS synchronised reference clock source. It has been designed from the ground up with the sole purpose of providing a cost effective but highly accurate and extremely high performing networked time server.

Extremely easy to setup, powered by either USB or PoE (802.3af), it can provide accurate synchronised time for your LAN, WAN, CCTV, PLC, telephone systems or anywhere accurate standalone time is required.

We have a publicly available unit at ntp1.leontp.com currently participating in NTP pool project. Its traffic report is available [here].

LeoNTPs are in stock and ready to ship. Sales and support are provided by our partners at Uputronics. Please click the logo to visit their shop.

Uputronics logo

Sample Screen Shots

Main Time Screen
GPS Screen
System Screen
Status Screen

Real life example of 106,000 packets/sec traffic as seen by LeoNTP serving in NTP pool

LeoNTP 106,000 packets/sec traffic

Key Features

  • True Stratum 1 NTP Compatible Time Server.
  • Can serve tens of thousands of clients.
  • Very cost effective
  • Supports NTP/SNTP
  • Front OLED Display for time display and configuration

10/100Mb RJ45 Autosensing
IPv4 DHCP/Static IP


NTP V2, V3, V4, SNTP V3, V4

NTP Requests/sec

>100,000 (Wire speed)
> 1million concurrent clients typical


72 Channel
-167dBm Sensitivity
Power for active antenna supplied via bias tee.



Timing Performance

GPS Accuracy

30ns RMS, 60ns 99%
Cold Start acquisition < 30s

NTP Accuracy

< 1µS

Hold over on loss of GPS signal

Typically 2ms in 24 hours

Mechanical Dimension

80mm x 150mm x 25mm

BNC Output

PPS/1Mhz/10Mhz Accuracy 30ns RMS, 60ns 99%


1 year RTB
Lifetime Firmware updates and support.

In The Box

1 x LeoNTP Device
1 x GPS Puck Antenna with 3 meter cable
1 x USB Cable
1 x 2 meter RJ45 Patch Cable

Quick Specs Guide
Latest Firmware 1.12 for Windows
Latest Firmware 1.12 for OS X

  • Manufactured by: Leo Bodnar