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Made in Europe

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Shipping policy

(1) The delivery times specified by us are calculated from the date of the order confirmation, provided the purchase price has been paid in advance (except for invoice purchases, e.g. via Klarna). If no delivery time or no differing delivery time is specified for the respective goods in our online shop, it is generally 2-4 working days (Monday to Saturday) for deliveries within Italia. 

(2) The following delivery restrictions apply: The Provider only delivers to Customers who have their habitual residence (billing address and delivery address) in one of the countries selectable at the time of the order.

(3) The corresponding shipping costs – if applicable – are stated for the Customer in the order process and the order form and are to be borne by the Customer.

(4) The goods are shipped by parcel service (carrier at the Provider’s choice, usually DHL). The Provider bears the risk of loss or damage during shipping if the Customer is a consumer.

FRITZ!Box 6825 4G – get started with internet via mobile network

Small and space-saving, the FRITZ!Box 6825 4G fits neatly on a windowsill or into your travel bag and ensures stable and fast internet via LTE no matter where you are. Whether you're at home or on the go, the power supply via USB-C allows you to use the device flexibly in practically any environment.

FRITZ!Box 6825 4G – mobile network for at home and on the go

The FRITZ!Box 6825 4G is the compact solution for fast internet via the 4G mobile network. Ideal for beginners and for anyone who wants flexible and uncomplicated internet access, whether at home, at work, in their home office, or when travelling. It supports 4G (LTE) and 3G (UMTS), including roaming and selection of specific mobile network frequency bands.

The FRITZ!Box 6825 4G also offers optimal fallback protection for another FRITZ!Box if its internet connection temporarily fails or becomes unstable.

Fast Wi-Fi and Mesh convenience

The FRITZ!Box 6825 4G offers Wi-Fi with up to 600 Mbit/s via Wi-Fi 6 – ideal for starting out with the mobile internet. The FRITZ!Box supports the wide-coverage 2.4-GHz band for stable, reliable connections.

Thanks to intelligent Mesh Wi-Fi technology, your devices are optimally integrated into the network – for better coverage and stability, even in small residential or office environments.

Fritz! Produktlinie mit Fritz!Box, Telefon, Smart Home Geräten auf blauem Hintergrund.

Automatic updates, support and a 5-year warranty: FRITZ! has got it

Your FRITZ!Box receives regular automatic updates with new functions and improved security. FRITZ! means something special: The FRITZ!Box 6825 4G comes with a 5-year warranty and long product maintenance.

And should you ever have a question – Our friendly support is always happy to help.

Technical specifications

Connections

  • Integrated 4G mobile phone modem (nano-SIM)

  • 1 x gigabit LAN

Mobile / Internet

  • Mobile router for 4G and 3G

  • Internet access with up to 300 Gbit/s download and 50 Mbit/s upload

  • Multi-band support: LTE 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), band 28 (700 MHz), band 32 (1.5 GHz) / LTE TDD band 38 (2.6 GHz), band 40 (2.3 GHz), band 41 (2.5 GHz)

  • MIMO receiver technology (Multiple-In-Multiple-Out antenna technology)

  • Integrated LTE antennas

  • Roaming support for all common mobile networks in Europe

  • 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

  • 2.4 GHz: up to 600 Mbit/s

  • Compatible with the IEEE 802.11g/n/ax wireless standards

  • Easy connection at the touch of a button (WPS)

  • Wi-Fi network encryption with WPA3/WPA2

  • Switch Wi-Fi on and off via FRITZ!App or schedule

  • Wi-Fi guest access / hotspot with captive portal

  • Wi-Fi eco mode for optimum performance at minimum power consumption

FRITZ!OS

  • Intuitive browser- and app-based user interface

  • Alignment aid for antennas to find the ideal location for the FRITZ!Box

  • Free FRITZ!Apps for smartphone

  • Context-sensitive Online Help

  • Push service mails for events in the home network

  • Security functions with diagnostic tool, auto-updates, firewall, and filter functions

  • Free updates with new functions and optimizations

Device Properties

  • Dimensions (W x H x D): 65 x 135 x 98 mm

  • Average power consumption: 4.1 W

Warranty

  • 5-year manufacturer’s warranty for end customers, as per the warranty conditions

    Article Number

    • 20003159

    Product comparison

    FRITZ!Box 6825 4G
    FRITZ!Box - freigestellt mit transparentem Hintergrund
    FRITZ!Box 6850 5G
    FRITZ!Box - freigestellt mit transparentem Hintergrund
    FRITZ!Box 6860 5G
    Connected via LTE / UMTS 5G / LTE / UMTS 5G / LTE / UMTS
    Indoor/Outdoor/PoE / / / / / /
    Wi-Fi standard Wi-Fi 6 Wi-Fi 5 Wi-Fi 6
    Wi-Fi bands (GHz) 2.4 5 and 2.4 5 and 2.4
    Max. Wi-Fi 600 Mbit/s 1.2 Gbit/s 3 Gbit/s
    1-gigabit LAN 1x 4x 1x
    Phone system -
    Mobile telephony - VoLTE / VoNR VoLTE / VoNR
    Smart Home / DECT -
    USB - 1x 3.0 -
    Media server - -
    Swipe left

    FRITZ! – Here's why!

    1. Leistungsstarke Hardware und intelligente Software

    1. Powerful hardware and intelligent software

    FRITZ! hardware and software are perfectly aligned and combined. This way you always receive the latest technologies and innovations for your home network. Rapid internet with FRITZ! works on every connection – DSL, cable, LTE (4G) or fibre optics.

    2. FRITZ!OS – das Betriebssystem für das gesamte Heimnetz

    2. FRITZ!OS – The operating system for the whole home network

    FRITZ!OS is the genius of the FRITZ! family. With this intelligent operating system, the FRITZ! team reveals intriguing possibilities in your home network. FRITZ!OS delivers new functions on a regular basis. Acclaimed by the press and praised by users, the operating concept also impresses with its simplicity.

    3. FRITZ!Apps

    3. FRITZ!Apps

    The practical FRITZ!Apps add new functions to your FRITZ! products, smartphones and tablets. Enjoy mobile access to your FRITZ!Box and to data stored on connected USB flash drives. Control your smart home devices conveniently or make calls over the landline using your smartphone.

    4. Kostenlose Updates

    4. Free updates

    FRITZ! products profit from continuous improvement. And with free updates, your home network is always up to date. If you like, your FRITZ!Box can even perform updates automatically.

    5. Sicherheit steht immer an erster Stelle

    5. Security always comes first

    Keep track and full control of all functions. The comprehensive security concept of FRITZ! products protects your communication. We are continuously testing and developing it further.

    6. Vielfach ausgezeichnet

    6. Critically acclaimed

    Independent test reports regularly confirm the outstanding quality of FRITZ! products. To date we have received more than 2,000 awards.

    7. Bester Support und beste Beratung

    7. Top-notch support and guidance

    You're interested in a certain product or need help from our technical experts? Feel free to use our convenient online service. Our support team is happy to assist you. FRITZ! is always there for you.

    8. Innovation und Kompetenz in Berlin

    8. Innovation and expertise in Berlin

    In 1986, four students had an extraordinary idea for communicating between computers. Since then, FRITZ! has continuously developed its own products at the company's base in Berlin and passionately devoted itself to secure and innovative products for broadband connections.