Signal Detector

Signal Detector

Lefan Co., Ltd.
★★★★☆ 3.8 Tools v1.20.06 1,000,000+
Verified Safe & Direct
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1. Download Split APKs Installer (SAI) from Google Play Store.
2. Download the app archive (.apks) using the download sources listed above.
3. Open SAI, click "Install APKs", choose the downloaded archive, and click Install.

Related Applications

Version
1.20.06
Downloads
1,000,000+
Updated
Jun 23, 2026
Developer
Lefan Co., Ltd.
Category
Tools
Content Rating
Everyone
Package
com.lefan.signal
Platform
Android
ScreenshotScreenshotScreenshotScreenshotScreenshotScreenshot

What's New

1. Added a network detection module for comprehensive network connectivity status diagnosis;
2. Optimized Bluetooth functionality, with some devices now supporting the querying of Bluetooth device battery level, manufacturer, and other information;
3. Supports ranging and location functions for Bluetooth and Wi-Fi signal sources;
4. Route tracing and PING testing support IPv6 networks, and optimized compatibility with multilingual systems.

About this app

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!

How to Download Signal Detector APK

  1. Enter the package name com.lefan.signal on the APK Downloader homepage.
  2. Select your device architecture (ARM64 recommended for modern devices).
  3. Click Download to get the merged APK file.
  4. Transfer and install the APK on your Android device.
  5. Keep Updated: Visit APK Downloader regularly to search for and download the latest secure versions of your favorite apps.

Security & Signature Verification

This APK download is 100% safe. We verify that the cryptographic signature of the file matches the official developer credentials. No modifications or adware are injected.

Location Special Access
  • approximate location (network-based)
  • precise location (GPS and network-based)
Phone Special Access
  • read phone status and identity
Microphone Special Access
  • record audio
Wi-Fi connection information Basic Access
  • view Wi-Fi connections
Device ID & call information Special Access
  • read phone status and identity
Other Basic Access
  • view network connections
  • pair with Bluetooth devices
  • access Bluetooth settings
  • change network connectivity
  • connect and disconnect from Wi-Fi
  • full network access
  • prevent device from sleeping