Master clock
![](https://westerstrand.se/uploads/wdp-y2-ENG-300x251.jpg)
Master clock Q
Central control of clocks in small to medium-sized installations.
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![](https://westerstrand.se/uploads/2018/10/wdp-q_s-nov-2007-011-e1560419975191.jpg)
Master clock ETH
Central control of clocks. With built-in RJ45 connector for network connectivity.
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![](https://westerstrand.se/uploads/2019/06/wdp-q-knx-300x250.jpg)
Master clock KNX
Central control of clocks in a KNX network.
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![](https://westerstrand.se/uploads/2018/12/wdp-wl-1-300x300.jpg)
Master clock WL
Central control of clocks in wireless installations.
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