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FRITZ!Box 6820 LTE (v3) International

FRITZ!Box 6820 LTE (v3) International, Wi-Fi 4 (802.11n), Single-band (2.4 GHz), Ethernet LAN, 3G, Red, White, Tabletop...Read full description ↓

Best offerPrice trend

£209.73

Rising
Price trend
Detailed analysis
Price history of FRITZ!Box 6820 LTE (v3) International over the last 3 months
DatePrice
11 March 2026£186.10
17 March 2026£184.60
24 March 2026£184.67
3 April 2026£209.73
9 April 2026£211.21
21 May 2026£212.71
28 May 2026£211.21
2 June 2026£209.73

Compare FRITZ!Box 6820 LTE (v3) International prices UK

*Date of last price update

User Notice: We regularly reference new offers to provide you with the widest selection. However, the displayed results do not reflect all available offers on the market. By default, offers are sorted by price, with the lowest price appearing first.

Product Information

Internet access for all mobile communication
Sleek and compact, the FRITZ!Box 6820 LTE fits in any environment. No matter how good your current reception is, the 6820 always provides maximum speed with both UMTS (3G) and LTE (4G). On top of this, fast Wireless N makes surfing on a tablet or other terminal devices extra fun.

Mesh WiFi with FRITZ!
The FRITZ!Box 6820 LTE supports Mesh WiFi, meaning your videos, music and photos seamlessly reach every corner of your home, apartment or office. How does it work? The FRITZ! devices work together as part of a single network, communicating with each other andoptimizing your devices and network usage.

With Mesh networking you can enjoy high speeds while surfing, streaming or gaming. Instead of waiting for breathtaking HD television and your favorite music, your media will wait for you.

Fast Internet at all times
With a high download speed, large program updates are done in no time. The upright, slim form is perfectly cut out for best reception and high speeds. Your smartphone will also benefit from this when used at home, since it can access the connection to the LTE router for data applications.

Works across Europe
With its flexible multi-band support the 6820 shows its strengths no matter where you're using it in Europe. Depending on network availability, it automatically accesses all common mobile communication bands currently used in Europe.

Real WiFi power

You'll surf on fast Wireless N with the 6820 when using a smartphone, tablet or laptop at home. This makes surfing the Internet more fun, helps to download games faster and shares documents before you know it.

FRITZ!Box for safety's sake
You're always on the safe side with the FRITZ!Box! The comprehensive security concept protects your communications. Constant testing and further development mean it's always up to date. Thanks to the free updates, you can always rest assured.

FRITZ!OS – fully loaded software
FRITZ!OS, the operating system of your FRITZ!Box, delivers new functions on a regular basis. Keep everything in sight with the central Home Network Overview. Make use of the parental controls feature and wireless guest access, and stay on top of current data consumption with the online meter. And of course, all apps are free.

Award-winning simplicity
Honored by specialist publications and praised by users, the FRITZ!Box operating concept has just one goal: to keep everything as simple as possible. A clear user interface and step-by-step wizards help make this happen.

Fast Internet with UMTS and LTE
The FRITZ!Box 6820 LTE transmits on the six LTE frequency bands 800 MHz, 900 MHz, 1.5 GHz, 1.8 GHz, 2.1 GHz and 2.6 GHz. The 6820 is ideal to connect your whole home network to the Internet via all types of mobile communication, from UMTS (3G) to LTE (4G).

Peace of mind
FRITZ!Box offers comprehensive protection against attacks. The preconfigured firewall, filter functions, and ex works Wi-Fi encryption ensure secure connections. Parental controls and guest Internet access are, of course, included free of charge.

Encrypted communication via VPN
Thanks to the recognized industry standard IPsec, you can establish a virtual private network to connect with your FRITZ!Box or company network. The settings can be configured on your FRITZ!Box and transferred to smartphones, tablets, and computers.

Ready for the future with IPv6
In addition to IPv4, FRITZ!Box supports the IPv6 Internet protocol. IPv6 makes existing services more convenient and simplifies a host of new applications, so you can rest assured that you’re ready for the latest technologies.


Mesh Wi-Fi with FRITZ!
With FRITZ! your Wi-Fi grows to whatever size you need at the touch of a button. Combine the FRITZ!Box with smart FRITZ!Repeaters and FRITZ!Powerline plus Wi-Fi combinations to adjust your home network to your individual needs and enjoy full mesh networking convenience with FRITZ!.

Wireless N with 450 Mbit/s
FRITZ!Box enables wireless connections of 450 Mbit/s, providing sufficient bandwidth even for larger amounts of data. It uses the 2.4 GHz frequency band and is able to automatically select the best wireless channel.

FRITZ!Hotspot
Offer your guests simple Internet access. The guest access has its own network key and name. It's possible establish a welcome page for customers in cafés or guests at home. Visitors have no access to the home network, so your data stays private.

FRITZ!Box as a private hotspot
When using your FRITZ!Box as a hotspot, you can restrict Internet usage to surfing and e-mail. You have a usage log, while your guests benefit from an integrated QR code that makes it easy for them to connect to the Internet.

Secure ex works
Every FRITZ!Box is delivered with its own network key to protect your network from unauthorized access. The wireless network, as well as your wireless guest access, can be secured with their own keys.

Connected in a flash
With Wi-Fi Protected Setup (WPS) you can connect new wireless-enabled devices in an instant. Simply press the WPS or WLAN button on the FRITZ!Box and the new device – and it will be securely and automatically registered with the network.

fritz.box – everything made easy
FRITZ!OS is the FRITZ!Box operating system and can be easily controlled via your browser. User-friendly menus, easy-to-understand wizards, and the optional advanced mode come in handy in all scenarios.

Free updates
FRITZ!OS undergoes constant development for even more convenience and performance. The latest developments are available for to download for free, either manually or via auto-update. This way, your FRITZ!Box is always up to date.

Maximum energy efficiency
The FRITZ!Box is all about intelligent energy management. For example, it automatically reduces the Wi-Fi transmitter power when all devices are logged off. This saves both energy and money.

Wireless Routers AVM

Product

Name
FRITZ!Box 6820 LTE (v3) International
Brand
AVM

Wireless LAN features

Wi-Fi band
Single-band (2.4 GHz)
Top Wi-Fi standard
Wi-Fi 4 (802.11n)
WLAN data transfer rate (max)
450 Mbit/s
Wi-Fi standards
802.11b, 802.11g, Wi-Fi 4 (802.11n)

Ports & interfaces

Ethernet LAN (RJ-45) ports
1
USB port
No
Memory card slot(s)
No

Mobile network

Mobile network generation
4G
3G
Yes
4G
Yes
3G standards
HSPA+, UMTS
4G standard
LTE-TDD & LTE-FDD
4G bands supported
800,850,900,2300,2500,2600 MHz

Network

Ethernet LAN
Yes
Ethernet LAN interface type
Gigabit Ethernet
Ethernet LAN data rates
10,100,1000 Mbit/s
Cabling technology
10/100/1000Base-T(X)
Networking standards
IEEE 802.11b, IEEE 802.11g, IEEE 802.11n
Dynamic DNS (DDNS)
Yes

Protocols

DHCP server
Yes
Universal Plug and Play (UPnP)
Yes
Supported network protocols
IPv4, IPv6

Antenna

Antenna design
Internal
Antennas quantity
6

Management features

Web-based management
Yes

Security

Security algorithms
IPSec, WPA, WPA2, WPS
Firewall
Yes
IP address filtering
Yes

Power

Power source type
DC
Power consumption (typical)
6 W

Weight & dimensions

Width
64 mm
Depth
134 mm
Height
99 mm

Design

Product type
Tabletop router
Product colour
Red, White
LED indicators
Power, WLAN

WAN connection

Ethernet WAN
No
DSL WAN
No
SIM card slot
Yes
3G/4G USB modem compatibility
No

Logistics data

Harmonized System (HS) code
85176990

Packaging data

Package type
Box

Packaging content

Cables included
LAN (RJ-45)
AC adapter included
Yes
Quick start guide
Yes

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