TP-Link RE815X AX5400 WiFi 6 Tri-Band Extender
- AX5400 tri-band: 2402 Mbps dual 5 GHz + 574 Mbps 2.4 GHz
- Up to 2800 sq. ft., 96 devices
- Four directional antennas, 6 FEM, beamforming
- Gigabit Ethernet port, AP mode
- OneMesh compatible, not Deco
- 2 year warranty
Updated 25 days ago · Based on the Amazon listing and published specifications, not hands-on testing.
A powerful tri-band extender that pushes coverage into dead zones and adds a wired port for a TV or console. Like any extender it improves reach, not top speed.
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ASIN: B0C7RRYFH3Model: RE815XCategory: WiFi Range Extenders
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Overview
TP-Link built this extender to relay a router's signal across larger homes with tri-band, current generation Wi-Fi and directional antennas. It joins OneMesh routers for one network name and can turn a wired line into a hotspot in AP mode.
Strong coverage and a gigabit port fix dead zones without rewiring. Expect lower speeds than near the router, since extenders trade speed for reach.
Who it's for
Larger homes with weak upstairs or backyard signal get extended coverage. Deco mesh owners need Deco units instead.
Pros and cons
- Tri-band Wi-Fi 6
- Gigabit Ethernet port
- Tether app setup
- Speeds drop versus router
- Not compatible with Deco
- Bulky wall plug design
Performance notes
The dedicated band links back to the router while other bands serve devices, which limits the usual extender speed hit. Placement halfway between router and dead zone matters most, and the signal indicator guides it.
Specifications
| Brand | TP-Link |
|---|---|
| Model | RE815X |
| Dimensions & fit | |
| Item weight | 0.68 kg |
| Warranty & support | |
| Warranty Description | 2 year manufacturer |
| Other details | |
| Wi-Fi standard | Wi-Fi 6, AX5400 |
| Bands | Tri-band: dual 5 GHz up to 2402 Mbps, 2.4 GHz up to 574 Mbps |
| Coverage | Up to 2800 sq. ft. |
| Antennas | Four high-gain directional, 6 FEM |
| Max devices | 96 |
| Ethernet | 1 gigabit port |
| Modes | Range extender, access point |
| Mesh | TP-Link OneMesh (not Deco) |
| App | TP-Link Tether |
Frequently asked questions
How do I keep the TP-Link RE815X running well?
Keep firmware updated through the Tether app and use the signal indicator to place it for a strong connection.
Will the TP-Link RE815X make my internet faster?
No. Extenders improve coverage, not speed, and TP-Link says speeds will be 50% or less of current speeds.
Does the RE815X work with TP-Link Deco?
No. It works with OneMesh routers, not Deco mesh systems.