SignalQuest

SignalQuest is a comprehensive technical tool for analyzing, measuring, and understanding mobile network coverage in France. The application is designed for telecom enthusiasts, field technicians, and anyone who wants to visualize their reception with concrete data.

📡 ANTENNA MAP AND COVERAGE (ANFR Data)

Access the database of cell towers in France using ANFR's Open Data.

• Visualization of mobile sites and infrastructure.

• Filters by technology, frequency, and operator.

• Relevant technical details on bands, altitudes, and azimuths.

🚀 SPEEDTEST AND NETWORK PERFORMANCE

Measure the actual quality of your mobile connection directly from the application.

• Ping, jitter, download and upload speeds.

• History to compare measurements over time.

• Easy sharing of results.

🚗 DRIVE TEST, COVERAGE, AND LIVE SHARE

Turn your smartphone into a true field measurement tool.

• Record radio quality while you're on the go.

• Customizable coverage mapping and cell change tracking.

• Live Share to temporarily share your location and a test session with other users.

📊 ADVANCED RADIO INFORMATION

For expert users, SignalQuest displays detailed radio information:

• RSRP, RSRQ, RSSI, SINR, Cell ID, PCI, TAC.

• Supports 5G NR, 4G LTE, 3G UMTS, and 2G GSM technologies.

• Connected cell tracking and analysis tools.

💬 COMMUNITY, CALLS, AND SCREEN SHARING

• Secure messaging between users.

• In-app audio and video calls.

• Screen sharing during a call, triggered only by the user to show a live measurement or analysis.

⌚ WEAR OS COMPANION

SignalQuest also offers an experience for Wear OS-enabled watches.

• Quickly check signal and network status from your watch.

• Start or follow a speed test from your wrist.

• Monitor Drive Test status/coverage.

• Wear OS tiles and complications to keep network information easily accessible.

The Wear OS app works as a companion to the SignalQuest mobile app and requires a paired Android phone with the app installed.

⚠️ TRANSPARENCY AND PERMISSIONS

SignalQuest explains its sensitive access requests directly in the app before use:

• LOCATION: Required for map, coverage, and radio measurements.

• BACKGROUND LOCATION: Only required if you enable Drive Test or Live Share when the app is not visible.

• FOREFRONT SERVICES: Used only when an active feature requires them and remain visible via a persistent notification.

• MICROPHONE AND CAMERA: Requested during an audio or video call.

• SCREEN SHARING: Triggered only during a call following your action, with an information screen followed by an Android confirmation, and a notification visible while active.

Location and measurement data are used for user-enabled mapping, coverage, and sharing features. They are not sold to third parties.

Note: SignalQuest uses public data from the ANFR (French National Frequency Agency). This application is a private and independent initiative. It is neither affiliated with, nor associated with, nor endorsed by the ANFR or any other public body.