Speedefy AC1200 Gigabit WiFi Router (Model K4), Dual Band MU-MIMO Wireless Router, 4x6dBi Antennas

  • Dual band WiFi 5 AC1200: 3 gigabit ports and 4*6dBi antennas, ensure stable network speed for all connections, wired or wireless.
  • App manage network: The Speedy WiFi APP manage devices on iOS or Android freely. Anytime and anyplace. Simple and fast.
  • MU-MIMO and beamforming technology: Deliver excellent online experience, reduce buffering when you browse the web, watch videos and play games.
  • Guaranteed network Security: WPA/WPA2-PSK hybrid encryption keep network secure and personal privacy protected.
  • Advanced features: Parental Control manages network access, AP mode expands WiFi coverage, Guest WiFi creates separate WiFi and protect network.


With MU-MIMO technology, it helps to decrease the time each device has to wait for a signal and dramatically speeds up your network.

Dual Band AC1200

Dual band routers provide connections designed for the needs of each. 2.4 Ghz network helps to prevent your WiFi home networks from arising wireless interference. 5 Ghz band supports fast and stable speed.

Better CPU
Keep the router running well and provide smooth internet speed

Model Speedefy K4 Smart WiFi Router
Band Technology Dual Band
Electrical Rating 100-240V-50/60Hz
Whole-Home Coverage Up to 1200 square feet
Perfect for Small and medium-size homes
Required for setup iOS 9.0 or later, Android 4.4 or later device and Internet service
Dimensions 12.1 in x 11.5 in x 2.3 in (307mm*292 mm*59mm)
Advanced Features Parental control, Guest network, WPS, AP Mode, etc.
Operating Temperature 0˚C-40˚C
Storage Temperature -40˚C-70˚C
Processor and Memory Single-Core, 1 GHz CPU
In the box 1× Speedefy WiFi router, 1× Power Adapter, 1× Ethernet Cable, 1× User Guide, 1×Register Card

Setup Video

Click below button to check installation video.

Tech Support

Contact Speedefy customer service team for more questions.

Download Resources

Download K4 datasheet, quick start guide and the app