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Info on FRITZ!WLAN Repeater 1750E

Product:    FRITZ!Repeater 1750E

Version:        FRITZ!OS 7.21

Language:       English, French, Italian, Spanish, Polish

Release Date:   12/01/2020

New Features in FRITZ!OS:

  • NEW Support for encryption according to the WPA3 standard (SAE)
  • NEW Support for "WPA3/WPA2 Transition Mode" for configuring the user interface
  • NEW Automatic setup for "LAN Bridge" operating mode for FRITZ!Repeater in factory settings

Improvements in FRITZ!OS 7.21

  • Improved Better stability
  • Improved When the repeater is integrated into the Mesh by first pressing the button on the FRITZ!Box and then the button on the repeater, successful integration is signaled by the LED on the repeater flashing briefly
  • Fixed For a repeater connected with the FRITZ!Box via LAN, an invalid IP address was assigned temporarily after some restarts
  • Fixed In rare situations there was a sustained loss of the 5-GHz connection to the FRITZ!Box
  • Fixed During Wi-Fi integration with a Telekom router Speedport Smart 3 with WPS, sometimes the FRITZ!Repeater was temporarily only connected via 2.4 GHz

Additional improvements in FRITZ!OS

  • Improved Automatic completion of connection for FRITZ!Repeater with dual-band (2.4 and 5 GHz) when only one band is connected
  • Improved Simplified login with the FRITZ!Repeater user interface (drop-down menu and pre-assigned user name)
  • Improved messages added for WPA3
  • Improved Better compatibility with Sonos multi-room systems
  • Improved Support for configuration at the touch of a button (WPS) with access points that only use 5 GHz Wi-Fi
  • Improved Improved messages on Wi-Fi ("System / Event Log")- Improved FRITZ!Box support page now includes option to send support data directly to AVM
  • Changed FRITZ!Repeater enabled for Mesh without a locally set password request user name and FRITZ!Box password when the user interface is accessed
  • Changed FRITZ!Repeater not enabled for Mesh without a locally set password prompt assignment of a password for access to the user interface
  • Changed Option for saving and restoring settings removed
  • Changed Outdated WPA/TKIP encryption removed

New features and improvements when using a FRITZ!Box with FRITZ!OS 7.20

  • NEW Performance Mesh Steering improves Wi-Fi connections for terminal devices that are used from on the go
  • NEW Mesh auto-channel: Accounts for the wireless environment of the Mesh Repeater in selecting the best Wi-Fi channel for the entire Mesh
  • Improved Better detection of terminal devices that cannot be rerouted via Mesh steering
  • Improved Mesh steering evaluates and accounts for the connection type and speed of various paths to decide on steering
  • Improved Notification in FRITZ!Box log when a network loop is created (for instance, simultaneous LAN and wireless connection to the same device)
  • Improved Automatic upgrade of Mesh uplink encryption

(1) Support for WPA3

If "WPA2 + WPA3" Wi-Fi encryption is selected on the FRITZ!Box, this setting is automatically adopted by the FRITZ!Repeater, as long as Mesh is enabled on the FRITZ!Repeater (see below)


To use WPA3 in conjunction with Microsoft Windows 10, three components are required:

  • Windows 10 version 1903 or later
  • a compatible wireless device ("client")
  • support for WPA3 for the respective wireless device (device driver support)

For the FRITZ!Box to automatically offer a WPA3 connection to corresponding wireless devices, "WPA2 + WPA3" setting must be selected as the WPA mode on the "Wireless / Security" page. A successful negotiation can be verified in FRITZ!Box on the "Wireless / Radio Network" page. Some wireless devices further require a new connection profile in order to be able to use WPA3. Delete any connection profile created for WPA2 connections in the the Wi-Fi client software of the wireless devices, and create a new profile after the FRITZ!Box WPA mode setting has been changed to "WPA2 + WPA3". For some wireless devices or hardware there is unfortunately no longer any suitable driver available. Among these are all AVM WLAN Sticks. Support for WPA3 includes the latest generation from the "INTEL AX200" product series.

The "Windows Update" Build 1903 (or later) can be installed manually in Windows 10 if it was not already installed automatically by the Windows Update.

Connections secured with WPA3 require activation of "Protected Management Frames" (PMF; 802.11w). This also applies to parallel WPA2/3 connections in WPA mode "WPA2 + WPA3" ("transition mode").

Note for users of older Apple devices: WPA3 is supported on Apple device starting with iOS 13 or iPadOS 13.

(2) Advanced Mesh steering improves the Wi-Fi performance of mobile devices

FRITZ!OS always provides for the best connections between all wireless devices (for instance, smartphone, tablet, or notebook) and between the FRITZ! products in the Mesh. Wireless devices are supported in making better decisions about where they will connect to. In the Mesh, FRITZ!OS can also intervene with Mesh steering and steers wireless devices to other connections: either between the 2.4 and 5 GHz wireless bands ("band steering") or between several FRITZ!Box products, for example from a FRITZ!Box to a FRITZ!Repeater. The requirement for this is that the same name (SSID) is used for both radio bands for the wireless network (default setting) and the wireless device supports the steering. With this Lab version, Mesh steering has been expanded and now intervenes more often to improve the wireless LAN performance of the connected end devices. Even with wireless devices that have a good connection, the system regularly checks whether even better wireless LAN performance is possible. If so, the devices are automatically rerouted to the better wireless connection, for instance, if the device has been moved away from the FRITZ!Box or back again.

A further innovation is the consideration of alternative "paths" for Mesh steering. If a terminal device can be steered to either a FRITZ!Repeater or a FRITZ!Powerline adapter with Wi-Fi functionality, the path into the internet (via Wi-Fi or powerline) is also assessed and taken into account in the steering decision.

In addition, the robustness in handling wireless devices, which do not completely control the rerouting, has been improved.

(3) Improved Wi-Fi auto channel in the Mesh

If a Mesh Repeater (FRITZ!Repeater, FRITZ!Powerline adapter with Wi-Fi or another FRITZ!Box) detects local Wi-Fi interference in the Mesh, it reports this interference to the FRITZ!Box (Mesh Master). The Master then takes this report into consideration to make a new determination of the optimum Wi-Fi channel.

(4) Automatic detection an configuration of operating mode

For configuration of a FRITZ!Repeater in "LAN Bridge" mode (using a repeater connected with the FRITZ!Box by cable as the wireless access point), previously the FRITZ!Repeater user interface had to be opened. Making this setting is no longer necessary with this lab version - the FRITZ!Repeater automatically detects the operating mode.

  • Factory settings must be configured in the FRITZ!Repeater (to reset the factory settings: Press the button on the repeater and hold it down for 15 seconds).
  • Remove the repeater from the outlet.
  • Connect the FRITZ!Repeater with any LAN port on the FRITZ!Box via LAN cable.
  • Insert the FRITZ!Repeater into an electrical outlet. Upon starting, the repeater is already set to "LAN Bridge" mode.
  • Now enable the repeater for Mesh (press briefly on the button on the repeater, and briefly on the "Connect/WPS" or "WPS" button on the FRITZ!Box). Now the repeater adopts the settings and forms a Mesh Wi-Fi with the FRITZ!Box. More information on this subject is available at

(5) Support for channel bandwidths of 160 MHz

With the FRITZ! lab, the FRITZ!Repeater 2400 and the FRITZ!Repeater 3000 support Wi-Fi channels with a bandwidth of 160 MHz (VHT160). This option is enabled automatically when a FRITZ!Box with the latest lab version is used, and adopted by any FRITZ!Repeaters in the Mesh. This option can also be enabled manually under "Wireless / Radio Channel / Radio Channel Settings / Additional Settings" in the FRITZ!Box user interface.

Wireless channels with a channel bandwidth of 160 MHz can be used only in the 5-GHz band. Prerequisite for use of this feature is a FRITZ!Box with FRITZ!OS 7.19 and support for such channel bandwidths by the wireless terminal devices.

Examples for compatible wireless devices:

  • INTEL AX200 (802.11ax/Wi-Fi 6)
  • INTEL i9260 and i9560 (802.11ac/Wi-Fi 5)

These wireless devices are designed for installation in notebooks.

  • HUAWEI P30

Initially, this feature can be used on every FRITZ!Box 7590 with FRITZ!OS 7.19 installed. Using 160 MHz bandwidth, wireless devices with only two antennas (2 x 2 configuration) can achieve gross transmission rates of up to 1733 MBit/s. This requires a wireless environment with as little activity in the 5-MHz frequency range. If too much activity in the area is detected, the FRITZ!Box automatically falls back to the standard channel bandwidths 80/40/20 MHz, which continue to be supported.

Of course, parallel communication with multiple wireless devices on different channel bandwidths is possible with both the FRITZ!Box and the FRITZ!Repeater.

Enabling the Mesh Function

To check whether a FRITZ! product is enabled for Mesh, see the "Mesh Overview" of the FRITZ!Box (the Mesh Master) under " / Home Network / Mesh". Here the products in the Mesh are designated with a corresponding "Mesh active" icon.

A FRITZ!Repeater or FRITZ!Powerline adapter can be enabled for Mesh in various ways:

  • If the FRITZ!Repeater or FRITZ!Powerline adapter has the factory settings configured and is being connected with the FRITZ!Box via WPS for the first time, it will be automatically enabled for Mesh.
  • If the FRITZ!Repeater or FRITZ!Powerline adapter is already connected, but not enabled for Mesh, it is added to the Mesh by pressing a button on the product to be integrated and a button on the FRITZ!Box. On the FRITZ!Box, use the button that initiates WPS: depending on the model, press the "Connect" or "WPS" button briefly, or the "WLAN/WPS" button for 6 seconds

Detailed instructions, additional information and the answers to frequently asked questions about Mesh are presented at

Set factory default For restoring the repeater to factory defaults, press the "Connect" button for 15 seconds

We recommend to always keep all your FRITZ!-Products up to date as every update also improves security features of FRITZ!Box and FRITZ!Repeater

KSH 12/01/2020