WiFi Hotspot
The WiFi Hotspot feature allows wireless connection of mobile devices and computers to the OpenHD ground station.
Overview
WiFi Hotspot provides:
- Wireless Video Access: Stream video to mobile devices
- Telemetry Sharing: Access flight data wirelessly
- Multiple Device Support: Connect several devices simultaneously
- Ground Control Access: Wireless connection for GCS software
Default Configuration
Network Settings
- SSID:
Open.HD - Password:
wifiopenhd - IP Range: 192.168.1.x
- Gateway: 192.168.1.1
- Channel: Auto-selected
Security
- WPA2-PSK: Standard WiFi security
- Custom Password: Can be changed in settings
Setup and Configuration
Enable WiFi Hotspot
- Access QOpen.HD settings
- Navigate to Network settings
- Enable "WiFi Hotspot"
- Configure SSID and password
- Save and restart system
Advanced Settings
- Channel Selection: Manual channel selection
- Bandwidth: 20MHz or 40MHz channel width
- Power Level: Adjust transmission power
- Client Limit: Maximum connected devices
Device Connection
Mobile Devices
- Search for
Open.HDWiFi network - Connect using password
wifiopenhd - Launch QOpen.HD app
- Video should stream automatically
Computers
- Connect to
Open.HDWiFi network - Configure IP address (automatic or manual)
- Launch ground control software
- Connect to ground station IP (192.168.1.1)
Performance Considerations
Range Limitations
- Indoor Range: 10-30 meters typical
- Outdoor Range: 50-100 meters depending on obstacles
- Interference: 2.4GHz band subject to WiFi interference
Bandwidth Sharing
- Video Quality: May be reduced with multiple clients
- Latency: Additional latency introduced for wireless clients
- Connection Stability: Depends on WiFi signal strength
Troubleshooting
Connection Issues
- Wrong Password: Verify password matches configuration
- IP Conflicts: Check for IP address conflicts
- Range Issues: Move closer to ground station
- Interference: Try different WiFi channels
Performance Issues
- Slow Video: Reduce connected device count
- High Latency: Check WiFi signal strength
- Dropouts: Minimize interference sources
Security Considerations
Password Security
- Change Default Password: Use strong, unique password
- Regular Updates: Update password periodically
- Access Control: Monitor connected devices
Network Isolation
- Isolated Network: Hotspot creates separate network
- No Internet Access: Hotspot does not provide internet
- Local Communication: Only for OpenHD communication
:::warning Interference WiFi Hotspot operates on 2.4GHz band and may interfere with OpenHD transmission if using the same frequency. Consider using 5.8GHz for OpenHD when using WiFi hotspot. :::
:::info Battery Impact WiFi Hotspot increases power consumption. Monitor battery levels during extended use. :::