my nest outdoor cam keeps going offline and coming back online every few minutes, it's driving me nuts

Diagnosis

This behavior, known as "intermittent connectivity" or "flapping," is almost always caused by a marginal signal-to-noise ratio (SNR). While your smartphone might show "full bars" at the camera's mounting location, phones only need a burst of data to load a page. The Nest Cam Outdoor Wired requires a sustained, high-bandwidth upload stream to maintain the cloud connection. When the signal dips below a specific threshold—often due to the physical barrier of an exterior wall (stucco, brick, or foil-backed insulation)—the camera loses its handshake with the router and initiates a reboot or reconnection cycle. Another common culprit is "DHCP Lease Conflict" or IP instability. If your router is assigning a dynamic IP address that expires quickly or conflicts with another device on the network, the camera will drop the connection as it attempts to renew its lease. You can confirm this by checking the Nest app; if the camera shows "Offline" but then returns with a "Connecting..." status for 30-60 seconds, it is likely a signal or IP issue rather than a hardware failure.

How to Fix It

To resolve this, you must stabilize the connection and ensure the camera has a dedicated "lane" on your network. Follow these steps precisely:

1. Perform a Physical Signal Baseline: Unplug the camera from its outdoor power source. Bring it inside and plug it into a power outlet within 5 feet of your wireless router. Monitor the feed for 30 minutes. If the dropping stops, the issue is 100% environmental interference or distance.
2. Assign a Static IP: Access your router's admin panel (usually via 192.168.1.1 or 192.168.0.1). Locate the "DHCP Reservation" or "Static IP" section. Find the Nest Cam in the device list (identified by its MAC address on the back of the unit) and assign it a permanent IP address. This prevents the "handshake" drops during lease renewals.
3. Optimize Frequency Bands: If you have a dual-band router, ensure the camera is on the 2.4GHz band rather than 5GHz. While 5GHz is faster, 2.4GHz penetrates exterior walls and siding much more effectively. If your router uses "Smart Connect" (single SSID for both bands), disable it temporarily to force the camera onto 2.4GHz.
4. Relocate the Router: Move your router closer to the exterior wall where the camera is mounted. Even moving the router 2-3 feet away from a metal cabinet or a microwave can significantly reduce EMI (Electromagnetic Interference).
5. Hard Reset: If the cycle persists, perform a factory reset. Locate the reset button on the back of the camera head. Press and hold it for 10-15 seconds until the status light pulses. Re-add the camera to the Nest app from scratch to clear any corrupted cache files.

If That Didn't Work

• Install a Dedicated Wi-Fi Extender or Mesh Node: If the camera is mounted on a far corner of the house, a standard router cannot penetrate the multiple layers of drywall and exterior cladding. Install a Google Nest Wifi point or a compatible mesh node in the room immediately adjacent to the camera's exterior wall. This reduces the distance the signal must travel through solid materials.
• Check the Power Supply Stability: Ensure you are using the original Google power adapter. If you are using a 3rd party outlet or a long extension cord, you may be experiencing "voltage sag." If the camera doesn't receive a steady 5V/2A, the Wi-Fi chip is the first component to brown out, causing the camera to reboot and appear as if it is dropping the signal.
• Inspect for Signal Blockers: Check if the camera is mounted directly against a metal soffit, aluminum siding, or near a large mirror. These materials reflect Wi-Fi signals, creating "dead zones" immediately around the device. Moving the camera just 6 inches away from a metal surface using a plastic mounting bracket can resolve the issue.
• Update Router Firmware: Log into your router settings and check for firmware updates. Older router firmware often struggles with the "keep-alive" packets sent by Nest devices, leading to the router prematurely closing the connection.

Heads Up

• Avoid "Signal Boosters": Do not use cheap "plug-in" signal boosters; these often create a second network that causes the camera to "hop" between the router and the booster, leading to the exact same offline/online cycling you are currently experiencing.
• Weather Seal the Connection: Ensure the cable connection point is tightly sealed. Moisture ingress in the power cable can cause micro-shorts that trigger a device reboot, mimicking a Wi-Fi drop.
• Monitor Upload Speeds: Ensure your internet plan provides at least 2Mbps of upload speed per camera. If you have multiple cameras and a slow upload speed, the router will kick devices offline to manage the bandwidth bottleneck.