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Getting to know the Linksys RE6400 AC1200 Boost EX Wi-Fi Range Extender

The Linksys RE6400 AC1200 Boost EX Wi-Fi Range Extender is a range extender from Linksys with 802.11ac technology.  It has a plug-in format factor that allows the product to be plugged into a power outlet.  The Linksys RE6400 can easily increase the range of a Wi-Fi network with two non-detachable external antennas that provide Wi-Fi range extension.  The Linksys RE6400 also offers the option to use it as a wired range extender (Access Point mode) or a wireless range extender (Range Extender mode).
Front Panel

User-added image
User-added image Power / WPS Light – This displays the status of the Linksys RE6400 based on the light's behavior (OFF, blinking, or solid) and color.
Side Panel
User-added image
User-added image Wi-Fi Protected Setup™ (WPS) button – Use the WPS technology to automatically and securely add wireless devices to your network.
User-added image Reset button – Press and hold for 10 seconds to reset the range extender to factory defaults.
Bottom Panel

User-added image
User-added image ETHERNET port – This port is used to connect wired clients such as computers or media servers when the Linksys RE6400 is in Range Extender mode or connect to a router when it is in Access Point mode.

Indicator Light Behaviors
Power LightStatus / Description
Blinking Green / Yellow  
  • Starting up.
  • Resetting to factory defaults.
  • Upgrading firmware.
  • WPS Pairing.
Solid Green / Yellow  
  • Ready to use.
Solid Orange / Red 
  • Weak connection with the router.
Blinking Orange / Red 
  • Not connected to the router or other error. Unplug and reconnect the range extender.
  1. Make sure your router has an internet connection and Wi-Fi is turned on.
  2. If the router is in order, unplug the extender, move it closer to the router, plug it back in, wait one minute, and reconnect to your network.
Ethernet LightStatus / Description
An ethernet device is connected and active. The light blinks when the extender is sending or receiving data over the ethernet port.
  • Dual-band concurrent (2.4 GHz and 5 GHz)
  • IEEE 802.11ac
  • Compatible with 802.11 a/b/g/n
  • Data Rate of up to 300 Mbps (2.4 GHz) and up to 867 Mbps (5 GHz)
  • Two External non-detachable antennas
  • 2x2 Spatial Streams
  • One 10/100/1000 Gigabit ethernet port with auto MDIX sensing
  • Browser-based Setup (BBS)
  • Spot Finder technology
  • Wi-Fi Protected Setup
  • Wireless Security
  • Cross-Band technology
  • Beamforming technology
  • Boost Wi-Fi range up to 7,500 sq. ft.
  • Access Point mode
System Requirements
  • A Wi-Fi network is required
  • Ethernet cable if using the Linksys RE6400 in Access Point mode
  • AC power outlet
  • For browser configuration:
  • Internet Explorer® 8 or higher
  • Safari® 5.1 or higher
  • Chrome 25.0 or higher
  • Firefox® 20 or higher

Click here to know more about the Linksys RE6400.

Related Video:

What is Cross-band Technology (VIDEO)

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