Article Summary:
Nest Protect’s Wireless Interconnect feature allows all Nest Protects to talk to one another, letting you know what’s happening in other parts of the house during an alert or emergency alarm.

Wireless Interconnect is a feature that allows multiple Nest Protects to talk to each other during an alert or emergency alarm. If a smoke or carbon monoxide (CO) event is detected at one Nest Protect, all Nest Protects will sound an alert.

For example, if there’s an emergency in the bedroom, all the Nest Protects in your home will tell you that there’s smoke or carbon monoxide in the bedroom. You will now be alerted to an alarm in your kids’ room upstairs even if you’re in the kitchen downstairs.

Learn more about the benefits of interconnected smoke and carbon monoxide alarms

How do all my Nest Protect interconnect to each other?

Traditionally interconnected smoke alarms needed to be hardwired and were expensive to install as a retrofit. To make it easier, all Nest Protects are interconnected wirelessly, whether you have Nest Protects (Wired 120V or 230V) or Nest Protects (Battery).

Learn more about how Nest Protect’s wireless networks operate

When does Wireless Interconnect work?

• You must set up each Nest Protect to interconnect them. This requires Wi-Fi, a supported smartphone or tablet, and a Nest account.
• Once it is set up, Wireless Interconnect will work even without Wi-Fi in your home, since it operates on a different wireless protocol to connect all of your Nest Protects.
  Learn more about how Nest Protect connects wirelessly.
• Nest Protect Wired (120V or 230V) and Nest Protect (Battery) are compatible and can interconnect with each other.
• All your Nest Protects can communicate if they’re within 15m (50 ft) of each other inside a home. If range is an issue, add more Nest Protects.

When does Wireless Interconnect not work?

• Nest Protect can’t communicate or interconnect with smoke or carbon monoxide alarms from other manufacturers.
• Nest Protect is not to be used outdoors and can’t transmit between buildings, since it can’t communicate properly in those conditions. If you have a guest house, you will need to install a Nest Protect there and it may not interconnect with the Nest Protects in your main home.

How do I know that Wireless Interconnect is working?

After you connect your Nest Protect to Wi-Fi and with your Nest Account, it will automatically interconnect with any new Nest Protects you associate with your Nest Account.

Check that all Nest Protects communicate together by running a manual test. Press the Nest button twice on one of your Nest Protects. Walk around and listen to each Nest Protect to make sure they’re all speaking.

How and when should I test my Nest Protect?

You can also check the Nest app or on the Web to make sure all of your Nest Protects show up. If one of them says “OFFLINE” then it’s no longer connected.

Warnings

• Keep in mind that metal doors can interfere with wireless signals. So make sure you test your Nest Protects with metal doors opened and closed to determine if there’s any interference. This kind of interference can be fixed by adding more Nest Protects that can route wireless signals around obstructions.
• Nest Protects can typically communicate with each other if they’re 50ft (15m) apart inside a home. Some features of a home may reduce their range, including the number of floors, number/size of rooms, furniture, type of building material, suspended ceilings, ductwork, large metallic appliances and metal studs. This kind of interference can be overcome by adding more Nest Protects that can route wireless signals around obstructions.