1. Introduction
The FRITZ!Box 6850 5G is a versatile mobile internet router designed to provide high-speed internet access via 5G, 4G/LTE, and 3G/UMTS networks. It integrates a powerful WLAN AC+N router, a DECT base station for cordless telephony, and Gigabit LAN ports for wired connections. This manual provides essential information for the installation, configuration, and daily use of your device.
Image 1.1: Front view of the FRITZ!Box 6850 5G, showing the device with its two external antennas and LED indicators.
2. Setup
2.1 Unboxing and Package Contents
Before starting, ensure all components are present:
- FRITZ!Box 6850 5G
- 1.5 meter LAN cable
- Power supply unit
- Assembly instructions
Image 2.1: The FRITZ!Box 6850 5G in its retail packaging, illustrating the product and its key features.
2.2 Connecting the Device
- Insert SIM Card: Locate the SIM card slot on the device. Insert your Mini-SIM card into the designated slot until it clicks into place. Ensure the SIM card is correctly oriented.
- Connect Power: Connect the power supply unit to the 'Power' port on the back of the FRITZ!Box and then plug it into an electrical outlet. The 'Power/5G-LTE' LED will illuminate.
- Connect LAN Devices (Optional): Use the provided LAN cable to connect computers or other network devices to any of the four 'LAN' ports on the back of the FRITZ!Box.
- Positioning: For optimal 5G/LTE reception, place the FRITZ!Box in a location with good mobile signal strength. The device features a Smart Alignment Aid to help determine the best placement and external mobile antenna alignment.
Image 2.2: Rear view of the FRITZ!Box 6850 5G, detailing the antenna connectors, Mini-SIM slot, analog phone port, four Gigabit LAN ports, and power input.
2.3 Initial Configuration
Once powered on, access the FRITZ!Box user interface via a web browser. Open a browser and enter http://fritz.box or http://192.168.178.1. Follow the on-screen wizard to set up your internet connection, Wi-Fi, and telephony.
3. Operating
3.1 LED Indicators
The FRITZ!Box 6850 5G features several LEDs on its front panel to indicate operational status:
- Power/5G-LTE: Indicates power status and 5G/LTE mobile connection activity.
- WLAN: Indicates Wi-Fi network activity.
- Fon/DECT: Indicates DECT base station and telephone activity.
- Connect/WPS: Used for WPS (Wi-Fi Protected Setup) and connection status.
- Info: Provides general information or error messages.
Image 3.1: Front panel of the FRITZ!Box 6850 5G, showing the LED indicators for Power/5G-LTE, WLAN, Fon/DECT, Connect/WPS, and Info.
3.2 Key Features
- 5G Mobile Internet: Supports 5G standalone and non-standalone, with backward compatibility for 4G/LTE and 3G/UMTS, offering speeds up to 1.3 Gbit/s.
- WLAN AC+N: Provides fast Wi-Fi with speeds up to 866 Mbps (5 GHz) and 400 Mbps (2.4 GHz), supporting mesh Wi-Fi for a unified network.
- Gigabit LAN: Four Gigabit Ethernet ports for high-speed wired connections.
- DECT Base Station: Supports up to six cordless phones and integrated answering machines.
- USB 3.0: For connecting USB devices like printers or storage, enabling media server (NAS) functionality.
4. Maintenance
4.1 Firmware Updates
The FRITZ!Box 6850 5G supports automatic firmware updates. It is recommended to keep the firmware updated to ensure optimal performance, security, and access to new features. You can configure update settings in the FRITZ!OS interface under 'System' > 'Update'.
4.2 Cleaning and Placement
Clean the device regularly with a dry, soft cloth. Avoid using liquid cleaners. Ensure the FRITZ!Box is placed in a well-ventilated area, away from direct sunlight, heat sources, and moisture, to prevent overheating and ensure stable operation.
5. Troubleshooting
5.1 No Internet Connection
- Check SIM Card: Ensure the SIM card is correctly inserted and activated with your mobile provider.
- Check Signal Strength: Use the FRITZ!OS interface to check the 5G/LTE signal strength. Reposition the FRITZ!Box or adjust external antennas if necessary.
- Restart Device: Disconnect the power supply for 10 seconds, then reconnect it.
- Check APN Settings: Verify that the Access Point Name (APN) settings in the FRITZ!OS are correct for your mobile provider.
5.2 Wi-Fi Issues
- WLAN LED: Ensure the WLAN LED on the FRITZ!Box is illuminated. If not, press the WLAN button or enable Wi-Fi in FRITZ!OS.
- Interference: Move the FRITZ!Box away from other electronic devices that might cause interference (e.g., microwaves, cordless phones).
- Channel Selection: In FRITZ!OS, try changing the Wi-Fi channel to avoid congestion.
5.3 DECT Phone Problems
- Fon/DECT LED: Check if the Fon/DECT LED is active.
- Registration: Ensure your DECT phone is properly registered with the FRITZ!Box. Refer to your phone's manual for registration steps.
- Range: Check if the phone is within the DECT range of the FRITZ!Box.
6. Specifications
| Feature | Specification |
|---|---|
| Model Number | 20002914 |
| Mobile Internet | 5G (standalone/non-standalone), 4G/LTE Advanced Pro, 3G/UMTS |
| Max Downstream Data Rate | 1300 Mbit/s (5G) |
| Max Upstream Data Rate | 400 Mbit/s (5G) |
| WLAN Standards | Wi-Fi 5 (802.11ac) + Wi-Fi 4 (802.11n) |
| WLAN Speed (5 GHz) | Up to 866 Mbit/s |
| WLAN Speed (2.4 GHz) | Up to 400 Mbit/s |
| Ethernet Ports | 4 x Gigabit LAN |
| USB Port | 1 x USB 3.0 |
| DECT Base | Yes, for up to 6 cordless phones |
| SIM Card Type | Mini-SIM |
| Dimensions (L x W x H) | 15 x 20.8 x 3.7 cm |
| Weight | 584 g |
7. Warranty and Support
7.1 Warranty Information
Warranty terms and conditions are typically provided with your product documentation or can be found on the official FRITZ! website. Please retain your proof of purchase for warranty claims.
7.2 Technical Support
For further assistance, detailed FAQs, and software downloads, please visit the official AVM FRITZ! website. You can also find contact information for technical support there.
Official Website: https://en.avm.de/
