CenterClick NTP200 Series GPS Based NTP Server Appliances

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NTP2xx Docs
o Features
o Hardware 200/250
o Hardware 220/270
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 Antennas
o Troubleshooting
o Graphs
o PPS Output
o Reimage 200/250
o Reimage 220/270

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Meet your new Time Server

The NTP220/270 Series NTP Appliances use multiple GPS/GNSS satellite systems to generate a local Stratum 1 NTP Time source for your equipment.

No stupid app, no online accounts, no subscription service, and no Internet needed. Manage and Monitor using CLI, SSH, and a local web browser.

Our NTP Appliances bring time synchronization to your isolated, disconnected, and air-gapped internal networks, No Internet needed.

Have Internet access, but want a local NTP source? The NTP220/270 can also provide Stratum 1 NTP to your local data center, enterprise, or ISP.

Our products are trusted by ISPs, schools, TV and radio, utilities, governments, enterprises, hobbyists, and others in over 30 countries.

You can also Download our NTP220/270 Product Brief

Features

Feature	NTP220	NTP270
NTP Stratum	GNSS - Stratum 1 PPS-IN - Stratum 2 Network Backup - Stratum 2+
CPU	Multi-core ARM CPU at 1.2Ghz
RAM	128MB RAM
Boot Storage	512MB SLC NAND Flash
User Storage	MicroSD slot
Wired Ethernet	10/100mbps
IPv4	Static or DHCP or Off
IPv6	Static or SLAAC EUI-64, SLAAC Token, and/or DHCPv6 or Off
Embedded Webserver	HTTP & HTTPS - View Only
HTTPS Certificate Management	Let's Encrypt or other ACME servers, HTTP and DNS types
Admin Console / CLI	USB or SSH
Max NTP Clients	Tracked: 100,000 unique IPs with JSON & CSV Export Untracked: 1,000,000 unique IPs Packet Rate: 10,000 packets/second
Network ACLs	Seperate ACLs for NTP, SSH, HTTP/S, SNMP
Cloud-Free Technology	No stupid App, No online accounts, No subscription service, No Internet needed
GNSS Constellations	GPS, GLONASS, Galileo, and/or BeiDou (Not all combinations supported)
Internal Power Backup	Supercapacitor for 3+ Hours for GPS and RTC
Data Export	JSON System & Client data Prometheus-compatible Metrics Endpoint
Protocol Support	NTPv4, SNTP, SSH, HTTP, HTTPS, SNMPv2, LLDP
PPS Input/Output	5V Output Rising Edge; Wide-voltage-range Input Rising Edge
Power	1W Typical, 5W Max 9-24V DC Barrel Input	1W Typical, 5W Max 9-24V DC Barrel Input and/or 802.3af/at PoE Input
Dual Redundant Power Inputs	No	Yes (DC + PoE)

Buy Direct and Save

All of our products are available for direct purchase. Our most popular products are also available through Amazon and Ebay.

We use Paypal checkout and direct purchases include free shipping within the USA. Most international destinations are $14 and can be ordered with this form as well. See shipping policies for details. For express shipping please contact us.

We offer quantity discounts for orders greater than $1000, preconfiguration services, and custom modifications are also possible. Please contact us to discuss your needs.

NTP Appliances

Step 1: Pick your Appliance

NTP220 (No PoE)	-- LOW STOCK -- ~~$199~~ - ON SALE: $194
NTP270 (With PoE)	~~$249~~ - ON SALE: $239

We are running low on NTP220 but more are expected by Mid-April. If you need more than 1 please contact us first.

Not sure which one? See the feature comparison.

Step 2: Pick your Antenna

Indoor	3 Meter Cable	Magnetic Base	No Charge
Outdoor	5 Meter Cable	Fixed Base	+$41
Outdoor	5 Meter Cable	Multi-Axis Base	+$64
Outdoor	10 Meter Cable	Fixed Base	+$56
Outdoor	10 Meter Cable	Multi-Axis Base	+$79

Not sure which one? See our antenna descriptions.

Step 3: Pick your Power Supply

USA 'Type A' (non-polarized NEMA 1-15)	No Charge
Europe 'Type C' (CEE 7/16 Alternative II "Europlug")	No Charge
UK 'Type G'	No Charge
Australia 'Type I' (non-grounded)	No Charge
No Power Supply	-$7

All power supplies are 100-240VAC 50/60Hz capable.

Step 4: Add to Cart

Quantity

Buy on Amazon or Ebay

Buying from a Corporate Account or just prefer the policies on Amazon or Ebay?

A selection of pre-configured options are availble on these marketplaces, but we do not offer all of the possible combinations above.

NTP220 ON AMAZON

NTP270 ON AMAZON

Accessories

Antennas

Need just an antenna? Our bundled antennas are available seperately as well.

Not sure which one? See our antenna descriptions.

Splitters and Cables

Have multiple devices but a signle outdoor antenna drop? We have developed GNSS compatible antenna splitters with flexible powering options with or without amplification.

See our GPS140/GPS144 descriptions for more information.

As each situation is unique, downstream cables are not included with the above GPS14x splitters. We have 4 lengths available from 1ft to 6ft or you can supply your own.

Power Supplies

Need a replacement power supply for a NTP2xx? We've got those too.

Need Help, Got Questions?

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