FRITZ!Box 6850 LTE
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FRITZ!Box 6850 LTE
The FRITZ!Box 6850 LTE ensures fast downloads with LTE (4G) while you enjoy full FRITZ!Box convenience: The integrated DECT base station makes phone calls fun, with up to six cordless phones. Reliable Wi-Fi connects your home network devices with speedy mobile Internet.
Share files and enjoy phone calls
FRITZ!Box 6850 LTE offers all FRITZ!Box advantages and the familiar FRITZ!Box convenience. Connect a printer to your home network thanks to the USB port. You can also use a USB stick for FRITZ!NAS, the practical network storage, to share your documents and pictures with friends or family – whenever and wherever you want.
The FRITZ!Box 6850 LTE's integrated phone system with a DECT base station supports up to six cordless phones and one analogue phone. Convenience features such as HD telephony for crystal-clear voice transmission and up to five integrated answering machines ensure telephony fun.
FRITZ!Box for safety's sake
You're always on the safe side with FRITZ!Box! The comprehensive security concept protects your communications. We are continuously testing and developing it. Thanks to the free updates, you can always rest assured.

- Mobile internet via LTE (4G) and UMTS/HSPA+ (3G)

- Phone system (IP-based), cordless telephony, smart home

- Wi-Fi up to 866 + 400 Mbit/s

- Easy to use and smart apps

- Network with 4 x gigabit LAN, 1 x USB 3.0

- Media server, NAS, MyFRITZ!, auto updates
Technical specifications
Interfaces
- Integrated 4G mobile phone modem (mini-SIM)
- IP-based telephony
- 4 x gigabit LAN
- Wi-Fi 5 and Wi-Fi 4
- 1 x USB 3.0 port for storage media and printers
- DECT base station for cordless phones and smart home
- 1 x connection (TAE/RJ11) for analogue phone, answering machine or fax
Mobile network / internet
- Wireless router with integrated LTE (4G) category 4 modem for FDD band 1 (2.1 GHz), band 3 (1.8 GHz), band 5 (850 MHz), band 7 (2.6 GHz), band 8 (900 MHz), band 20 (800 MHz) and band 28 (700 MHz)
- Also for TDD band 38 (2.6 GHz), band 40 (2.3 GHz) and band 41 (2.5 GHz)
- Internet connection also via 3G (UMTS/HSPA+) with up to 42 Mbit/s
- Option for connecting outdoor antennas
- MyFRITZ! – secure access to your own FRITZ!Box from anywhere
- VPN (WireGuard / IPSec)
- Firewall / NAT with port sharing
- Wake on LAN
- Parental controls (time budget, youth protection filter, device block)
Wi-Fi
- up to 1266 Mbit/s via Wi-Fi 5
- 5 GHz: up to 866 Mbit/s (Wi-Fi 5); 2.4 GHz: up to 400 Mbit/s (Wi-Fi 4)
- Mesh Wi-Fi
- Compatible with the IEEE 802.11a/g/n/ac Wi-Fi standards
- Wi-Fi encryption with WPA3/WPA2
- Turn Wi-Fi on and off using button, FRITZ!Fon, FRITZ!App, or by schedule
- Easy connection at the touch of a button (WPS)
- Wi-Fi guest access / hotspot with captive portal
- Wi-Fi eco mode for optimal performance at minimum energy consumption
Smart home / media
- Smart home features for energy and heating
- Supports smart home devices in accordance with the DECT ULE standard
- Automation in the smart home with schedules, scenes, and routines with if-then combinations
- Operation of your FRITZ! Smart Home via the FRITZ!Box user interface, FRITZ!Fon, FRITZ!DECT smart switch or FRITZ!App Smart Home
- FRITZ!NAS: Central storage for all data in the home network
- Media server for music, photos, and videos in the home network (DLNA/UPnP AV)
- Ideal for IPTV and streaming music and videos
Telephony
- Phone system for IP and mobile networks (VoLTE)
- Phone system with DECT base station for up to six cordless phones
- Voice transmission encrypted upon delivery
- With FRITZ!Fon additional functions (e.g. calendar or weather forecast)
- Connection for an analogue phone, answering machine, or fax
- Supports HD telephony for natural sound
- DECT Eco: Wi-Fi network switches off when DECT phones on standby
- 5 integrated answering machines with option for emailing voice messages
- Fax function with option for emailing fax message
- Local and online phone books (Google, Apple, CardDAV and more)
- Call lists, call blocking, quick-dial numbers, extensions
- Dialling rules for individualized use of phone numbers
- Call diversion, internal calls (intercom), three-way conferencing, call transfer, phone number blocks and Do Not Disturb
- Alarm, baby monitor, VIP calls, and Do not Disturb
- Support for door intercom systems
- Registration of IP phones (LAN/Wi-Fi) SIP-compliant
FRITZ!OS
- Intuitive browser- and app-based user interface
- Free FRITZ!Apps for smartphone: MyFRITZ!App, FRITZ!App Smart Home, FRITZ!App Fon, FRITZ!App Wi-Fi, FRITZ!App TV
- Context-sensitive Online Help
- Push service mails for events in the home network
- Security functions with diagnostic tool, Automatic Update, firewall, and filter functions
- Free updates with new functions and optimizations
Package Contents
- FRITZ!Box 6850 LTE
- Power adapter
- External LTE antennas
- 1.5-metre LAN cable
- Quick guide
Device properties
- Article number: 20002926 (retail version)
- Dimensions (W x D x H): 208 x 150 x 37 mm
- Mount on wall or place on any surface, e.g. a table or shelf
- Average energy consumption: 6 W
Have any questions?
We're happy to answer them for you! You can find out how to get in touch with your contact person under Contact.