What’s actually slowing this PC down?
Pick the symptom - the matching free tool is one click away.
Test mesh Wi-Fi in two layers: check each satellite’s connection to the main router, then measure the Wi-Fi experience where you actually use it. A mesh app’s test evaluates links between mesh points; it does not certify coverage in every room. For a useful comparison, keep the device, test locations and conditions consistent, and repeat the checks after each placement change.
How to test mesh Wi-Fi coverage
- Choose repeatable locations. Include the main router, each satellite, rooms where service matters, and known weak spots. Use the same phone or laptop in the same position for each round.
- Check satellite links in the mesh app. Look for each wireless node’s connection to its upstream node. In Google Home, go to Home → Wi-Fi → Points → Test mesh; Google says this test measures the connection between the primary point and additional points, and requires multiple mesh points. Menu names and available metrics vary by system and app version. Google’s mesh test guide explains the test. Linksys also documents a node screen that displays a wireless child node’s signal strength. Linksys RSSI guidance.
- Measure performance at client locations. At each point, record RSSI if available, download and upload speeds, latency, and whether ordinary use—such as loading pages or maintaining a call—is stable. A speed test is a snapshot, not a coverage map. Linksys describes its speed test as measuring download, upload and ping/latency. Linksys speed test guidance.
- Separate Wi-Fi problems from internet problems. If possible, compare Wi-Fi results with a wired test at the router. Pause large downloads and backups, and repeat tests under similar conditions. Linksys recommends a wired comparison to help identify whether the internet connection or Wi-Fi is the limiting factor. Linksys speed test guidance.
- Check whether the problem follows the device. Test a second client in the same location. If only one device performs poorly, investigate its Wi-Fi capability or roaming behavior before relocating every node. Linksys recommends trying another device when troubleshooting. Linksys RSSI guidance.
- Change one node position, then repeat. Move a weakly connected satellite somewhat closer to its upstream node, keep it in an open position, and run the mesh test and client checks again. Changing one position at a time makes it easier to tell what helped.
How to interpret signal strength
RSSI, or received signal strength indicator, is commonly shown in dBm. The values are negative; a value closer to zero generally indicates a stronger signal. Linksys labels 0 to -50 dBm excellent and -70 dBm or below poor in its mesh guidance. These are Linksys-specific guideposts, not universal thresholds for every router, client, band or measurement app. Linksys RSSI guidance.
As an Amazon Associate I earn from qualifying purchases.
Google describes a Nest/Google alert when a point’s average signal has been below -77 dBm over the last 24 hours. That is the condition for the manufacturer’s alert, not a general pass/fail rule for all mesh systems. Google placement guidance.
Quick wins for a faster PC:
Fix the driver behind crashes, sound loss and screen glitchesFind Drivers →Clear out junk files and repair common Windows errorsFree Scan →Scan for outdated or missing drivers - takes under a minuteDriver Scan →App labels can fluctuate near a category boundary. Google notes that a point may alternate between “weak connection” and “good connection” when speed-test results are close to the boundary; if results remain inconsistent, its guidance is to move the point closer. Google’s mesh test guide.
#1 Best Overall
- Wi-Fi 6 Mesh Wi-Fi - Next-gen Wi-Fi 6 AX3000 whole home mesh system to eliminate weak Wi-Fi for good(2×2/HE160 2402 Mbps plus 2×2 574 Mbps)
- Whole Home WiFi Coverage - Covers up to 6500 square feet with seamless high-performance Wi-Fi 6 and eliminate dead zones and buffering. Better than traditional WiFi booster and Range Extenders
- Connect More Devices - Deco X55(3-pack) is strong enough to connect up to 150 devices with strong and reliable Wi-Fi
- Our Cybersecurity Commitment - TP-Link is a signatory of the U.S. Cybersecurity and Infrastructure Security Agency’s (CISA) Secure-by-Design pledge. This device is designed, built, and maintained, with advanced security as a core requirement
- More Gigabit Ports - Each Deco X55 has 3 Gigabit Ethernet ports(6 in total for a 2-pack) and supports Wired Ethernet Backhaul for better speeds. Any of them can work as a Wi-Fi Router
What to compare between tests
When comparing two positions or a before-and-after change, record the same measures at the same locations:
- Mesh app’s node-to-node or backhaul quality.
- Client RSSI, if your device or app provides it.
- Download, upload and latency results.
- Connection stability, drops and how repeatable the result is.
- Whether a second device behaves differently.
There is no established universal RSSI or speed threshold that guarantees good coverage. Judge results against the uses that matter in your home and the guidance for your particular mesh system. Google mesh test guidance; Linksys RSSI and speed test guidance.
Rank #2
- A New Way to WiFi: Deco Mesh technology gives you a better WiFi experience in all directions with faster WiFi speeds and strong WiFi signal to cover your whole home.
- Better Coverage than traditional WiFi routers: Deco S4 three units work seamlessly to create a WiFi mesh network that can cover homes up to 5, 500 square feet. No dead zone anymore.
- Seamless and Stable WiFi Mesh: Rather than wifi range extender that need multiple network names and passwords, Deco S4 allows you to enjoy seamless roaming throughout the house, with a single network name and password.
- Incredibly fast 3× 3 6 Stream AC1900 speeds makes the deco capable of providing connectivity for up to 100 devices.
- With advanced Deco Mesh Technology, units work together to form a unified network with a single network name. Devices automatically switch between Decos as you move through your home for the fastest possible speeds.
Fix weak coverage or a weak satellite link
If the satellite’s backhaul is weak
A node at the edge of a dead zone may have a poor connection to the rest of the mesh and simply repeat a weak link. Move it partway toward the primary node while still aiming to serve the problem area, then rerun the mesh test. Google recommends placing a point partway toward the weak-coverage area rather than in the dead zone itself. It also recommends an open location and, where possible, no more than two rooms between points. Google point placement guidance.
If the backhaul is strong but a room still performs poorly
Test another client, check for nearby obstructions or interference, and compare with wired internet performance. A strong node link does not by itself show that every client location has a good signal or reliable performance.
Rank #3
- 𝐃𝐞𝐜𝐨 𝟕 𝐒𝐮𝐩𝐞𝐫𝐜𝐡𝐚𝐫𝐠𝐞𝐝 𝐰𝐢𝐭𝐡 𝟒-𝐒𝐭𝐫𝐞𝐚𝐦 𝐁𝐄𝟓𝟎𝟎𝟎 𝐃𝐮𝐚𝐥-𝐁𝐚𝐧𝐝 𝐖𝐢𝐅𝐢 𝟕: Delivers up to 4324 Mbps (5 GHz) and 688 Mbps (2.4 GHz) speeds for 4K/8K streaming, AR/VR gaming, and more◇. Performance varies by conditions, distance to devices, & obstacles such as walls.
- 𝐒𝐞𝐚𝐦𝐥𝐞𝐬𝐬 𝐖𝐡𝐨𝐥𝐞-𝐇𝐨𝐦𝐞 𝐂𝐨𝐯𝐞𝐫𝐚𝐠𝐞: Covers up to 6,600 sq. ft. for over 150 devices with the option to expand anytime by adding another Deco router. All Deco routers work together.
- 𝐒𝐢𝐦𝐮𝐥𝐭𝐚𝐧𝐞𝐨𝐮𝐬 𝐖𝐢𝐫𝐞𝐝 & 𝐖𝐢𝐫𝐞𝐥𝐞𝐬𝐬 𝐁𝐚𝐜𝐤𝐡𝐚𝐮𝐥: Wi-Fi 7 and 2.5G Ethernet work together to balance traffic between Deco units for faster, more stable whole-home coverage. Backhaul requires at least two Deco units.§
- 𝐄𝐚𝐬𝐲 𝐒𝐞𝐭𝐮𝐩 & 𝐌𝐚𝐧𝐚𝐠𝐞𝐦𝐞𝐧𝐭: Set up and control your network in minutes with the Deco App. Keep your WiFi performing at its best by keeping the firmware updated through the App. All Wi-Fi routers require a separate modem. ⌂
- 𝐎𝐮𝐫 𝐂𝐲𝐛𝐞𝐫𝐬𝐞𝐜𝐮𝐫𝐢𝐭𝐲 𝐂𝐨𝐦𝐦𝐢𝐭𝐦𝐞𝐧𝐭 - TP-Link is a signatory of the U.S. Cybersecurity and Infrastructure Security Agency’s (CISA) Secure-by-Design pledge. This device is designed, built, and maintained, with advanced security as a core requirement.
Try a different location or backhaul method
Keep mesh devices in open positions and away from dense walls, metal and appliances. TP-Link’s Deco guidance recommends experimenting with unit locations and checking inter-unit signal in the app. It describes wired Ethernet backhaul as more stable and faster than wireless backhaul for its products; Ethernet is an option, not a prerequisite for testing. TP-Link Deco placement guidance.
If careful placement does not resolve the problem, a compatible additional point may be an option. Check compatibility with your mesh model before buying; a new system is not needed just to follow the tests above.
Quick Recap
Best Value
- OUR MOST AFFORDABLE WI-FI 7 ROUTER - eero 7 helps you future-proof your network and make the most of Wi-Fi 7 performance starting today.
- SAY GOODBYE TO DEAD SPOTS - eero 7 minimizes network disruptions to help ensure you have fast, reliable wifi in every room of your home.
- FULL SPEED AHEAD - Support for internet plans up to 2.5 Gbps with two auto-sensing 2.5 GbE ports and wireless speeds up to 1.8 Gbps.
- HIGHLY CONNECTED - Three eero 7s support 120+ devices and 6,000 sq. ft. of coverage, so there’s plenty of reliable Wi-Fi 7 performance to go around.
- BACKWARD COMPATIBLE - eero 7 is backward compatible with all previous generations of eero and compatible with eero Built-in on select Amazon Echo devices.
Rank #4
- A New Way to WiFi: Deco Mesh technology gives you a better WiFi experience in all directions with faster WiFi speeds and strong WiFi signal to cover your whole home.
- Better Coverage than traditional WiFi routers: Deco S4 2 units work seamlessly to create a WiFi mesh network that can cover homes up to 3,800 sq. ft. No Dead Zone anymore.
- Seamless and Stable WiFi Mesh: Rather than wifi range extender that need multiple network names and passwords, Deco S4 allows you to enjoy seamless roaming throughout the house, with a single network name and password.
- Incredibly fast 3× 3 6Stream AC1900 speeds makes the deco capable of providing connectivity for up to 75 devices.
- With advanced Deco Mesh Technology, units work together to form a unified network with a single network name. Devices automatically switch between Decos as you move through your home for the fastest possible speeds
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.
Free tools Windows power users keep installed
One-click scans. No signup required.
