Hi @rjhapp. If your Contact Sensors have a weak signal at times it can also be due to interference. This Help Center article [here](https://support.ring.com/hc/en-us/articles/360038329471) will provide you further information on what can cause interference and steps to try to fix it. If you have tried these steps and are still having the same concern, give our support team a call at one of the numbers available [here](https://support.ring.com/hc/en-us/articles/213608406) to further investigate your concern. If you are outside of the US, please visit [here ](https://support.ring.com/hc/en-gb/articles/213608406)to see how to contact support.

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