Wi-Fi Analyzer Online
Analyze Wi-Fi signal strength in dBm, evaluate 2.4 GHz vs 5 GHz vs 6 GHz frequency bands, visualize channel interference, and troubleshoot wireless coverage dead zones.
Signal Diagnostics & Channel Assessment
Enter your observed signal strength in dBm (from your phone settings or router admin panel) to inspect signal quality, bandwidth capability, and channel interference.
Fast, dependable connection. Excellent for 4K video streaming, high-resolution video conferencing, and low-latency cloud gaming.
2.4 GHz vs 5 GHz Channel Spectrum Overlap
Active Channel: CH 36On 2.4 GHz, channels are 20 MHz wide with only 5 MHz spacing. Only channels 1, 6, and 11 do not overlap. On 5 GHz, channels operate with wider 40/80/160 MHz clean separation.
Practical Optimization Recommendations
- Switch to 5 GHz for bandwidth-intensive tasks: Your selected 5 GHz band avoids microwave and Bluetooth interference prevalent on 2.4 GHz.
- Elevate your router: Place the Wi-Fi router on a desk or shelf 1.5 meters off the ground rather than behind a television or near metal pipes.
- Avoid non-standard 2.4 GHz channels: If using 2.4 GHz, stick strictly to channels 1, 6, or 11 to avoid adjacent channel interference from neighboring routers.
Browser Network Interface Information
Exposed via the W3C Network Information API where supported by your browser engine.
Why Can't Browsers Scan All Nearby Wi-Fi Networks?
For user security and location privacy, standard W3C browser specifications strictly prohibit web pages from querying low-level 802.11 network hardware or sniffing nearby router BSSID MAC addresses. Web applications claiming to "scan all neighborhood Wi-Fi routers" are fabricating mock data. EcrioX provides genuine browser telemetry alongside our verified manual RF diagnostic engine above.
Wi-Fi Signal Strength (dBm) Classification Guide
In radio frequency physics, signal is expressed as decibels relative to one milliwatt (dBm). Because numbers are negative, values closer to zero indicate stronger signal power.
| Signal (dBm) | Classification | Real-World Performance | Recommended Use Cases |
|---|---|---|---|
| -30 to -50 dBm | Excellent | Maximum theoretical link speed, zero packet loss | 4K/8K video streaming, high-speed file transfers, competitive gaming |
| -51 to -60 dBm | Very Good | Strong, stable connection with high throughput | HD video conferencing, simultaneous multi-device streaming |
| -61 to -67 dBm | Good | Minimum recommended standard for reliable VoIP & Zoom | Web browsing, video calls, music streaming, office work |
| -68 to -75 dBm | Fair | Marginal signal; throughput drops, occasional buffering | Email, basic web reading, smart home sensor connectivity |
| Below -75 dBm | Weak | Unstable, frequent packet drops and Wi-Fi disconnects | Connection drops likely; consider moving closer or adding a mesh node |
Multi-Band RF Modeling
Compares range, attenuation, and channel capacities across 2.4 GHz, 5 GHz, and 6 GHz spectrums.
Channel Overlap Diagrams
Interactive bell curves illustrate adjacent and co-channel interference across congested wireless bands.
Troubleshooting Playbook
Actionable steps to eliminate Wi-Fi dead spots, resolve co-channel congestion, and choose mesh nodes.
100% Privacy Respecting
Zero Wi-Fi names or router identifiers are collected or stored on external servers.
Understanding Wi-Fi Signals & Frequency Bands
Wireless networks transmit data using high-frequency electromagnetic radio waves. Understanding frequency bands and channel management is essential for optimizing wireless performance:
- 2.4 GHz Band: Longer wavelengths penetrate through solid brick walls and floors efficiently. However, the spectrum only accommodates three non-overlapping 20 MHz channels (Channels 1, 6, and 11) and suffers heavy interference from baby monitors, Bluetooth, and microwaves.
- 5 GHz Band: Provides significantly wider channels (40 MHz, 80 MHz, and 160 MHz) and much higher throughput with lower latency. However, 5 GHz signals attenuate rapidly through solid concrete and drywall.
- 6 GHz Band (Wi-Fi 6E & Wi-Fi 7): Opens up to 1,200 MHz of pristine spectrum with up to seven ultra-wide 160 MHz channels or three 320 MHz channels. Operates with zero legacy Wi-Fi 4/5 interference, ideal for VR and multi-gigabit connections.
Frequently Asked Questions (FAQs)
netsh wlan show interfaces.