Deco M9 Plus



Since this product is advertised on Tp-link, this model is currently being manufactured.


Wireless Performance Explained

Advertised Speed of 5Ghz band

Theoretical 802.11ac speed on 5Ghz band (using 80Mhz channel, 256-QAM, 400 ns GI):

  • 2 spatial streams x 433.3 mbps/stream = 866.6 mbps


This is classified as a “Low-Performer” 802.11ac wifi system. If higher performance is needed, consider upgrading to a “Top-Performer”. Read: What’s the fastest 802.11ac (wifi5) wifi system possible?


  • WPA2-Personal (128-bit encryption)
  • WPA2-Enterprise (128-bit encryption)

Firmware Changelog

Does this support automatic firmware updates? To find out. If you have this model, and are running the latest firmware, contact us.

Download the latest firmware from

V1_181206 (2018-12-26)

  • Added custom configuration options for LAN IP and DHCP server.
  • Modified the subnet as to avoid potential conflicts. You can customize the subnet by changing DHCP server settings.
  • Added WPS function.
  • Added support for PPTP and L2TP internet connection types.
  • Added individual switches for 2.4 GHz and 5 GHz Wi-Fi networks.
  • Added support of guest network in AP mode or Ethernet backhaul.

V1_180818 (2018-08-29)

  • Optimized firmware upgrade experience.
  • Improved the IoT funtion.
  • Improved system stability.
  • Fixed the compatibility issue with some wireless client devices.

V1_180711 (2018-07-16)

  • Please update your Deco app to the latest version before the firmware upgrade.
  • Optimized the IoT function.
  • Improved system stability.
  • Added support for working with Deco M5 and Deco P7.

V1_180608 (2018-06-26)

  • Optimize the IOT funtion.