Signal Detector - Free Download

Monitor cellular (5G/4G), WiFi, Bluetooth, GPS, and magnetic field signals. Help locate quality signal sources and diagnose network issues.
Phone | Cell Tower | WiFi | Bluetooth | Satellite | Magnetic | Speed | Noise

【Core Features】

1. Mobile Network Monitoring
Supports GSM/CDMA/WCDMA/LTE/5G NR standards with real-time signal strength, base station info, carriers, and roaming status.
• Dynamic trend charts for signal changes
• IP, gateway, and DNS overview
• Neighboring cell distribution mapping

2. WiFi Signal Analysis
Monitor signal strength, frequency bands, and bandwidth. Display MAC, channel, and speed. Scan LAN devices and detect DNS hijacking, ARP spoofing, and SSL anomalies.
• Assisted ranging
• Webpage tampering detection
• Freeloader detection and hidden device discovery
• Visual route tracing

3. GPS Location Tracking
Supports BeiDou, GPS, GLONASS, Galileo, QZSS, and IRNSS. Display satellite count, SNR, coordinates, altitude, and speed.
• Polar coordinate visualization
• 3D confidence assessment

4. Bluetooth Device Management
Scan and classify nearby devices (headphones, wearables, car devices). Measure distance and location to help find lost devices. Supports paired list and nearby discovery.

5. Sensor Monitoring
Collect magnetic, temperature, humidity, pressure, and light data. Use as compass, thermometer, barometer, and more.
• Digital compass
• Magnetic field threshold alerts
• Multiple sensor access

6. Environmental Noise Detection
Measure decibel levels in real-time with dynamic curve recording and historical data review.

7. Network Diagnostics
IPv4/IPv6 PING tests measure latency, jitter, and packet loss.
• Success rate + latency rating
• Custom DNS and website testing
• Detailed log recording

8. Speed & Device Status
Display movement speed (km/h, mph, knots), direction, and satellite count. View CPU frequency, architecture, temperature, battery level, health, and charging status.
• Real-time speed display for navigation reference
• Battery health analysis

【Use Cases】
• Find strong signal spots and reduce dead zones
• Detect network risks and identify ARP/DNS anomalies
• Assist navigation and manage Bluetooth devices
• Locate lost Bluetooth earbuds, wearables, and nearby devices
• Monitor noise levels in living/working environments
• Troubleshoot connectivity issues quickly

Transform complex network technologies into intuitive visual information!