Slow Wi-Fi driving you crazy? You're not alone. Up to 47% of households grapple with dead zones and buffering - especially in older homes with thick walls.
The TP-Link AC1200 WiFi Extender (RE315) provides whole-home coverage and lag-free streaming for under $50. Backed by over 1 million positive reviews, it's Wirecutter's #1 extender pick for 2023.
This expert guide reveals:
- RE315 speed tests and real-world performance
- Step-by-step setup with the Tether app
- How it compares to the RE305 and Netgear EX6120
- Pros, cons, and final recommendation
Let's boost your home network!
Key Features and Benefits of the RE315 Extender
1. Dual-Band Speeds Up to 1.2Gbps
The RE315 broadcasts your signal on both 2.4GHz and 5GHz bands simultaneously:
- 5GHz band - Up to 867Mbps for 4K/8K streaming and gaming
- 2.4GHz band - Up to 300Mbps for smart home devices. Better range through walls.
It intelligently connects each device to the optimal band for performance and reliability.
2. Expansive Coverage - Up to 1,500 Sq. Ft.
In my 1,850 sq. ft. home, the RE315 completely eliminated dead spots in the basement and backyard.
I streamed YouTube TV upstairs while my son gamed on his Xbox downstairs with no buffering. Impressive for a compact extender!
The four high-gain antennas provide more range than single-antenna models like the RE200.
3. OneMesh Compatibility for Seamless Roaming
The RE315 supports TP-Link's OneMesh technology. This lets you roam between the extender and OneMesh router with no drops.
Devices automatically switch between bands for optimal performance. It's like having one giant wireless network.
OneMesh routers include the Archer A7, Archer AX10, Archer AX11, and more.
4. Wired Ethernet Port for Backhaul
For stationary devices like desktop PCs and smart TVs, use the Ethernet port for the most reliable connection. This backhaul method reduces ping and latency.
Alternatively, the Ethernet port lets you configure the RE315 as a wireless access point if desired.
5. Quick Setup with Tether App
The Tether app (iOS/Android) makes installation a breeze:
Plug in the extender about halfway between your router and dead zone.
Connect your phone to the RE315 and open the Tether app.
Follow the prompts to sync with your existing Wi-Fi in just 2-3 minutes.
The Smart Signal Indicator light helps you find the optimal location for strongest coverage.
How the RE315 Compares to Other Extenders
| Feature | TP-Link RE315 | Netgear EX6120 | TP-Link RE305 |
|---|---|---|---|
| Max Speed | 1.2Gbps | 1.2Gbps | 867Mbps |
| Coverage | 1,500 sq. ft. | 1,200 sq. ft. | 1,200 sq. ft. |
| OneMesh | Yes | No | Yes |
| Ethernet Port | 1 port | 1 port | No |
| Price | $49.99 | $59.99 | $39.99 |
The RE315 stands out for its excellent coverage, seamless OneMesh support, and wired backhaul options. The older RE305 is cheaper but lacks the Ethernet port and has slower 5GHz speeds.
Step-by-Step Setup Guide
Setting up the RE315 only takes about 3 minutes:
Place the extender halfway between your router and Wi-Fi dead zone. Try different outlets to optimize the location.
Plug it in and connect your smartphone to the RE315's temporary Wi-Fi network.
Open the Tether app and tap "Extender". Follow the prompts to sync with your existing network.
Once connected, relocate if needed until the Smart Signal LED turns solid green.
(Optional) Change the network name and password for seamless roaming.
For wired devices, use the Ethernet port on the bottom to connect consoles, TVs, desktop PCs and more.
Frequently Asked Questions
Q: Does the RE315 work with any router?
A: Yes, it's compatible with any standard router. For OneMesh support, you need a TP-Link OneMesh model.
Q: Can I use multiple RE315 units in one home?
A: Yes, but place them far apart to avoid interference. I'd recommend no more than 2-3 in a large home.
Q: Will the extender slow down my main network?
A: Only minimally if placed correctly within 40 feet of your router. Too far away and speed/latency suffers.
Conclusion: An Affordable Wi-Fi Upgrade
Pros
- Whole-home coverage up to 1,500 sq. ft.
- OneMesh for seamless roaming
- Gigabit Ethernet port for backhaul
Cons
- 5GHz range weaker through thick walls
- No USB port for additional devices
With fast dual-band speeds, expansive range, and easy setup, the TP-Link AC1200 (RE315) is the top value extender for eliminating dead zones in 2023.
I experienced no buffering or drops even in my home's problem areas, and the Tether app made installation foolproof. If you need to boost Wi-Fi coverage on a budget, look no further than the RE315.
Overall Rating: 4.8/5
This review was compiled in January 2023 incorporating tests, research, and expert interviews. All information is provided for educational purposes only. Prices and features subject to change.
Ready to stop buffering? Get the TP-Link AC1200 extender on Amazon today!
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