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Three white cylindrical mesh units with flat tops

TP-Link

TP-Link Deco M9 Plus 3 Unit Pack AC2200 Mesh System

SKU CH-YE5X-DMY56

A three-unit mesh system covering up to 4,500 square feet with tri-band AC2200 Wi-Fi and a built-in smart home hub

  • Whole-home coverage up to 4,500 sq ft with three Deco units
  • Tri-band AC2200 Wi-Fi delivers combined speeds up to 2200 Mbps
  • Built-in smart home hub controls devices without extra hardware
  • Dedicated wireless backhaul uses 5G_1, 5G_2 and 2.4G bands for stable links
  • Supports gigabit fibre with wireless backhaul speeds over 1000 Mbps

Whole-home mesh coverage

The TP-Link Deco M9 Plus three-unit pack delivers tri-band Wi-Fi across areas up to 4,500 square feet. Each unit links to the others over dedicated wireless backhaul on two 5 GHz channels and one 2.4 GHz channel. AC2200 aggregate throughput supports gigabit fibre connections. The system also functions as a smart-home hub for connected devices.

Suited for large homes with many devices

Households that need consistent coverage across multiple floors and numerous simultaneous streams will benefit from the tri-band design and automatic backhaul selection. Buyers who want more storage or require wired multi-gigabit backhaul ports should look at something else.

Handles gigabit internet and heavy wireless loads

The 2.4 GHz band provides 400 Mbps while each 5 GHz band reaches 867 Mbps, combining for AC2200 capacity. Backhaul can exceed 1000 Mbps when traffic is heavy, keeping latency low. Very dense environments with hundreds of active clients may eventually saturate the available airtime.

Highlights

  • Whole-home coverage up to 4,500 sq ft with three Deco units
  • Tri-band AC2200 Wi-Fi delivers combined speeds up to 2200 Mbps
  • Built-in smart home hub controls devices without extra hardware
  • Dedicated wireless backhaul uses 5G_1, 5G_2 and 2.4G bands for stable links
  • Supports gigabit fibre with wireless backhaul speeds over 1000 Mbps

Specifications

No published specifications for this item yet.

Questions about this item

Do I need a separate smart-home hub to connect Zigbee devices with the Deco M9 Plus?

No, the Deco M9 Plus includes a built-in smart-home hub so Zigbee devices pair directly without extra hardware.

Will the 5G_1 and 5G_2 867 Mbps bands still serve client devices when they are also carrying backhaul traffic?

Yes, each 5 GHz band runs at 867 Mbps and can handle both backhaul and client connections simultaneously.

How can I verify the mesh is delivering the advertised AC2200 throughput after installation?

Run a speed test from a wireless client near each unit; combined 2.4 GHz 400 Mbps plus dual 5 GHz 867 Mbps links should exceed 1000 Mbps on a gigabit line.

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