How do I set up eero Signal?

eero Signal provides cellular backup for your eero network. Setup takes just a few minutes with the help of the eero App.

Available in 4G LTE and 5G RedCap options, it connects to the eero PoE Gateway or any USB-C-powered eero that supports Wi-Fi 6 or later. It can be placed wherever there is a compatible eero, giving you the flexibility to choose the location with the best cell service.

How do I set up eero Signal on my existing network?

Open the eero App, and tap (blue plus icon)
Tap eero Signal and follow the on-screen instructions
- Identify the eero in the location with the best cellular signal
- Connect the Y-splitter's junction to the AC adapter. If your Signal includes an AC adapter, use it for power. Otherwise, use your eero's original AC adapter. Plug the short cable from the Y-splitter to your eero
  - Note: For installation with eero PoE Gateway, see the “How do I connect eero Signal with eero PoE Gateway?” section below.
When Signal is ready, it will display a white LED. Later, while on backup, both Signal and all eeros will display an aqua LED

How do I connect eero Signal with an eero PoE Gateway?

Plug eero Signal into the front USB-C port without plugging anything into the Y-cable
Plug the included 140 W adapter into the back USB-C port
Do not use the adapter that came with eero Signal as it can disrupt the 140 W operation and reduce available power for connected PoE devices

Note: With eero Signal connected, eero PoE Gateway allocates 9.3 W from its available power budget.

What do the LED colors mean?

LED Behavior	State
No Light	No power or LED disabled
Solid White	Backup is ready and cellular connection registered
Flashing White	Powered on and waiting to be connected to an eero
Solid Blue	Plugged in and waiting for eero
Flashing Blue	Being configured or updating firmware
Solid Aqua	Using cellular backup
Flashing Yellow/Orange	eero Signal or host eero lack sufficient power
Solid Yellow/Orange	eero Signal does not have an associated data plan or has consumed all available data for the period
Solid Red	No cellular connectivity
Flashing Red	Not plugged into an eero

Note: The meaning of the colors used by the LED of other eero models differ from the table above. See What do the colors of the LED light on my eero mean? for more information.

Frequently Asked Questions

The eero Signal is in the process of being configured by an eligible eero device. This status includes setting up the eero Signal, as well as updating to the most recent firmware version. Updating firmware can take up to ten minutes, please wait for the device to finish configuring. If it’s been longer than ten minutes, power cycle both the eero Signal and the host eero. Minimum required eeroOS is 7.12.0.
The eero Signal is currently not allowed to provide backup internet. eero Signal requires the use of eero Plus or an equivalent from your Internet Service Provider (ISP) to function. If you have an active eero Plus subscription, but your eero Signal has a Solid Orange LED, you may have exhausted your data for the allotted period. See the different subscription options we offer to find the plan that works best for your needs.
A Flashing Orange LED usually means there eero isn’t enough power. To correct this:
Verify you're using the correct power adapter for eero Signal. If you have two power adapters, use the 45 W
Check if your eero powers on without eero Signal connected
Verify the outlet is working and isn't controlled by a wall switch
Try connecting eero Signal to another eero on your network
If your eero Signal isn't powering on or showing an LED light, this can indicate the LED has been disabled in the app or isn’t getting enough power. To correct this:
Check the LED status on both your eero and eero Signal
Verify you're using the correct power adapter for eero Signal. If you have two power adapters, use the 45 W
Check if your eero powers on without eero Signal connected
Verify the outlet is working and isn't controlled by a wall switch
Try connecting eero Signal to another eero on your network