The NTP220 and NTP270 are a new generation of hardware and are identical except for PoE support.
The older NTP200 and NTP250 and our original hardware platform.
All 4 modesl run the same software and most new features apply to all of them.
| 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) |