Wireless Time Distribution

The innovative radio clock system is based on a transmitter that sends the time signal (868 MHz) to the slave clocks. The end devices are equipped with a WTD movement or with a special WTD receiver module. The WTD transmitter is synchronized either by a standard master clock, by a modern NTP time server, or by a GPS or DCF 77 receiver directly.

Main function:

Distribution over large distances (up to 200 m, depending on building structure), extension by repeater possible

Power supply:

  • External DC power supply 15 – 56 V (e.g. from a MOBATIME master clock with DC output)
  • PoE (Power over Ethernet) supply over Ethernet cabling from a PoE switch

Time code inputs:

  • DCF current loop
  • GPS (DCF)
  • NTP (Multicast)


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