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Info on FRITZ!Repeater 1200

Product: 	FRITZ!Repeater 1200
Version:        FRITZ!OS 7.27

Language:       German, English, French, Italian, Spanish, Polish, Dutch

Release Date:   07/01/2021

New Features in FRITZ!OS:

  • Improved automatic setup of a LAN connection of the FRITZ!Repeater to a FRITZ!Box with Mesh [1]
  • Improved assistent for inital setup and the change of the connetion type (LAN connection / WiFi connection)
  • Improved WiFI stability and performance

Additional improvements in FRITZ!OS 7.27

  • Improved Improved confirmation message when adoption of settings in the Mesh disabled
  • Improved Improved confirmation message when network settings changed
  • Improved Improved messages on Wi-Fi under "System / Event Log"
  • Improved Detection of multiple parallel WPS activations improved
  • Improved Reworked messages on DFS wait time under "System / Event Log"
  • Improved Naming of Wi-Fi guest access (SSID, preassigned) depends on selected language
  • Fixed Vulnerabilities in the processing of incoming fragmented frames and aggregated MPDUs (A-MPDU) fixed ("Fragatttack")
  • Fixed WPS for the Wi-Fi Guest Access did not work reliably with non-encrypted Wi-Fi
  • Fixed In some cases, the 5 GHz connection was not established immediately after connectiong with WPS
  • Fixed Data transfer could be interrupted when switching from 5 GHz to 2,4 GHz when the FRITZ!Repeater has a weak 5 GHz signal
  • Fixed Interruption while streaming video when using IPv6 connections
  • Fixed After connecting the FRITZ!Repeater to the FRITZ!Box, in some cases only the 2,4 GHz connection was established
  • Fixed - Improved maximum throughput when used with current Apple iOS and MacOS devices
  • Fixed WiFi power setting could not be changed in LAN-bridge mode
  • Fixed Interruption of the LAN connection after a restart of the FRITZ!Repeater
  • Fixed Wrong tip regarding the use of the FRITZ!Box password when mesh is not activated
  • Fixed Changes in the network settings were not applied when the user switched between different settings
  • Fixed Number of messages in "System / Event Log" was too smal in some areas
  • Fixed When parallel WPS registrations were detected they were not ended reliably
  • Fixed Wrong default country after setting factory defaults (only for german editions of FRITZ!Repeater)
  • Fixed The "Support" page could no longer be opened directly
  • Fixed Unintentional display of LAN port settings
  • Fixed Wrong timestamp for the last FRITZ!OS update
  • Fixed In rare cases, multiple radar wait times occurred in the 5-GHz band followed by lost connections
  • Fixed In rare cases, the 5-GHz connection to the FRITZ!Box was lost
  • Fixed When Wi-Fi standard switched from "11a+n" to "11n+ac", problems with channel assignments occurred in some cases
  • Fixed Incorrect message under "System / Event Log" for WPS during DFS wait time

[1] Automatic detection an configuration of operating mode

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

  • Factory settings must be configured in the FRITZ!Repeater (to reset the factory settings: Wait 2 minutes for the FRITZ!Repeater to be completely startet, than press and hold the button on the repeater for at least 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
  • If you want to switch back to a connection of the FRITZ!Repeater to the FRITZ!Box via WiFi, remove the LAN-cabel from the FRITZ!Repeater and repeat the process without connecting a LAN-Cable

Restoring factory defaults

To reset the FRITZ!Repeater to factory settings: Wait 2 minutes for the FRITZ!Repeater to be completely startet, then press and hold the button on the repeater for at least 15 seconds

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 07/01/2021