- 6-Digit NTP Synchronized Network Clock with IEEE 802.3af PoE - LED digital wall clocks that synchronize over an Ethernet network to an accurate time reference. [with a starting point of A Guide To GPS NTP Servers For Network Time Synchronization]
- GPS NTP Network Time Server (TM1000A) - The TimeMachines GPS NTP Network Time Server is a simple to use GPS based time server that supplies accurate time for all computers and time keeping devices on the network.
- Nothing to see, but something to read: Network Synchronization: Public NTP Servers vs. GPS NTP Servers
Or not see:
- LeoNTP Network Master Clock / Time Server is a Stratum 1 Master Clock / Time server with GPS synchronised clock source designed from the ground up with the sole purpose of providing a cost effective but highly accurate and extremely high performing networked time server.