CenterClick NTP200 and NTP250 GPS Based NTP Server Appliance

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Docs
o Features
o Hardware
o Software
o Getting Started
o Release Notes
o Front Panel Button
o Front Panel LEDs
o USB Console
o Admin CLI
o Using HTTPS
o SSH Authentication
o Client List
o Antenna Issues
o Graphs
o Reimage

Live Demo

Contact Us
Feedback and Bug Reports

Privacy Policy
Shipping, Tax, and Returns

Meet your new Time Server

Included in the Box

Your NTP200 or NTP250
A DC power supply (unless you opted for no power supply)
A GPS antenna
The getting started guide

Supply Yourself

An Ethernet cable
A Micro-B USB cable (if needed)

NTP200

BUY DIRECT - $199 - ON SALE: $179

OR BUY ON AMAZON

NTP250

BUY DIRECT (with AC power supply) - $249 - ON SALE: $229

BUY DIRECT (without AC power supply) - $244 - ON SALE: $224

OR BUY ON AMAZON

Direct purchases include free shipping within the USA. For international shipping quotes please see our shipping policies.

Features

The NTP200/250 series is ideal for hobbyist, time enthusiasts, and just anyone who wants accurate clock synchronization in their home or business to either supplement or replace Internet NTP synchronization.

Feature	NTP200	NTP250
Stratum 1 NTP	Yes
CPU & RAM	Multi-core ARM CPU with 256MB RAM	Multi-core ARM CPU with 512MB RAM
Storage	8GB or 16GB MicroSD card
Wired Ethernet	10/100mbps
IPv4	Static or DHCP
IPv6	Static or Autoconf or DHCPv6
Embedded View-only Webserver	HTTP & HTTPS
Admin Console / CLI	USB or SSH
NTP Client Tracking	Up to 1 Million unique IPs, with JSON & CSV export
NTP ACLs by IP/Mask	Rate limit, Sync, Query, Block
Cloud-Free Technology (No stupid App, No online accounts, No subscription service, No Internet needed)	Yes
GPS Antenna Included	Yes, with magnetic attachment, 10ft cord, and SMA connector
GNSS Constellations	GPS, GLONASS, Galileo, SBAS, QZSS
Front Panel LEDs	Power, System Status, NTP Status and PPS
Internal Power Backup for GPS and RTC	5+ Hour
Graphs of GPS, NTP and System Status	7-day graphs
Location Privacy	Location can be hidden or shown on Web interface
JSON Encoded Raw Data for Custom Integration	Yes
LLDP	Advertisement and Neighbor display
Software Upgrade	Online & Offline
DC Power Input	8-14V (9V or 12V recommended)	Older NTP250's 8-11V (9V recommended) Newer NTP250's 8-14V (9V or 12V recommended)
802.3af PoE	No	Yes
Dual Redundant Power Inputs	No	Yes (DC + PoE)

Need Help, Got Questions?

Check out the Documentation and support is available by submitting a question.