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Deal.ai › Netgear › Wireless Range Extenders & Repeaters
NETGEAR
NETGEAR EX6400 AC1900 WiFi Mesh Wall Plug Range Extender and Signal Booster

NETGEAR EX6400 AC1900 WiFi Mesh Wall Plug Range Extender and Signal Booster

4.3(2,953 ratings)

Best price now

$149.99at NetgearChecked 1 h ago

Compared across 3 stores. Prices are checked against each store and labelled with when. Store links may earn us a commission. Price via Klarna.

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Price facts

  • Lowest price today: $149.99 at Netgear (checked Nov 14, 2026).
  • Checked at 3 stores.

Our take on the NETGEAR EX6400 AC1900 WiFi Mesh Wall Plug Range Extender and Signal Booster

The NETGEAR EX6400 is a plug-in Wi-Fi 5 range extender that boosts an existing network to a combined 1900 Mbps across 2.4 GHz and 5 GHz bands. It adds mesh-style features like one Wi-Fi name and Smart Roaming so devices move between rooms without reconnecting, plus MU-MIMO and Smart Connect for faster device assignment. It suits homes with dead zones where running cable is impractical. Against mesh systems it is cheaper and simpler but still halves throughput on the extended link, and owners report it works best when placed well inside the router's coverage.

Best forFilling one or two dead zones in a mid-size homeRenters who cannot run Ethernet cableHomes with many smart home devices on one network nameExtending an ISP-supplied router without replacing it
Pros
  • Dual-band AC1900 with MU-MIMO and Smart Connect
  • One Wi-Fi name and Smart Roaming for seamless movement
  • Works with existing routers and ISP gateways
  • Wall-plug design with a gigabit Ethernet port
  • Button-based setup
Cons
  • Wi-Fi 5 only, no Wi-Fi 6 support
  • Extender mode cuts throughput roughly in half
  • Mesh features need a firmware update and factory reset
  • Single Ethernet port limits wired devices
  • Performance depends heavily on placement

NETGEAR EX6400 AC1900 WiFi Mesh Wall Plug Range Extender and Signal Booster prices at every store

  • NetgearNew

    In stock

    $149.99Checked 1 h ago
    Visit Netgear
  • NeweggNew

    In stock

    $173.41Free shippingChecked 1 h ago
    Visit Newegg
  • WalmartNew

    Out of stock

    $44.50Free shippingChecked 1 h ago
    Visit Walmart

Store links may earn us a commission. Some prices via Klarna.

NETGEAR EX6400 AC1900 WiFi Mesh Wall Plug Range Extender and Signal Booster price history

Lowest price we've seen: $149.99 on Nov 14 at Netgear. Tracked across 2 stores since Nov 14.

What reviewers say

  • 4.3 / 52,953 ratings

Owners rate it well for extending coverage in homes where the router cannot reach, and many praise the simple setup and single network name. Complaints center on slower speeds at the extended edge and dropouts when the unit sits too far from the router.

What people mention
  • SetupPraisedOwners say it pairs with the router quickly using the button and the web interface.
  • CoveragePraisedMany report strong signal in rooms that previously had none.
  • SpeedMixedThroughput is good near the extender but drops noticeably at the far edge.
  • PlacementCriticisedUsers say it must sit well inside the router's range or it disconnects and slows down.
  • Mesh featuresMixedOne network name and roaming work, but only after a firmware update and reset.
  • ReliabilityMixedSome owners see occasional dropouts that need a reboot.

About the NETGEAR EX6400 AC1900 WiFi Mesh Wall Plug Range Extender and Signal Booster

The NETGEAR Nighthawk EX6400 is an AC1900 WiFi mesh range extender that plugs into a wall outlet. It works with your existing WiFi router, gateway, or ISP-provided gateway to improve coverage throughout your home.

Mesh features include Smart Roaming and One WiFi Name, so smart home devices connect to one network without new WiFi names or passwords. You can move from room to room while streaming video on a mobile device without interruption. Firmware upgrade and factory reset are required to unlock the Mesh WiFi features.

MU-MIMO and Smart Connect assign each device the fastest available WiFi connection. Setup is done with the touch of a button.

Type
Wall-plug WiFi range extender (repeater)
Wi-Fi standard
Wi-Fi 5 (802.11ac)
Wireless speed
AC1900
Frequency bands
2.4 GHz, 5 GHz
Ports
1 x LAN port
Wired speed
1000 Mbps
Features
Mesh network support, MU-MIMO, Smart Connect, Smart Roaming, One WiFi Name, wall mountable
Dimensions
6.9 in wide x 5.6 in deep x 3.8 in high
Weight
10.6 oz
Color
White
Compatibility
Works with existing WiFi routers, gateways, and ISP-provided gateways

Specifications

actual_color
MulticolorSource
color
WhiteSource
size
KingSource
Speed
1000 MbpsSource
Wi-Fi
YesSource

Questions and answers

Does it work with any router?
Yes. It extends an existing Wi-Fi router, gateway or ISP gateway, though mesh features like one name and roaming work best with supported NETGEAR routers.
Do I need to update the firmware?
Yes. NETGEAR states a firmware upgrade and factory reset are required to unlock the mesh Wi-Fi features.
How much speed will I lose?
In extender mode the wireless backhaul shares airtime with clients, so expect roughly half the router's throughput at the extended link.
Can I plug a device into it?
It has one gigabit Ethernet port, so you can wire a single device such as a TV or console.
Does it support Wi-Fi 6?
No. It is Wi-Fi 5 (802.11ac) only, so Wi-Fi 6 devices will connect at Wi-Fi 5 speeds.
Where should I place it?
Put it roughly halfway between the router and the dead zone, in a spot where the router's signal is still strong.
Where is the NETGEAR EX6400 AC1900 WiFi Mesh Wall Plug Range Extender and Signal Booster cheapest?
At Netgear, for $149.99, as of our latest check.
What do buyers say about the NETGEAR EX6400 AC1900 WiFi Mesh Wall Plug Range Extender and Signal Booster?
Rated 4.3 out of 5 from 2,953 ratings.
Where can I buy the NETGEAR EX6400 AC1900 WiFi Mesh Wall Plug Range Extender and Signal Booster?
3 stores we checked sell it, including Netgear, Newegg, Walmart.

Stores we've priced the NETGEAR EX6400 AC1900 WiFi Mesh Wall Plug Range Extender and Signal Booster at

  • NETGEAR deals and prices
  • Newegg deals and prices

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Wireless Speed
1900Source
Frequency Band
2.4 GHz, 5 GHzSource
Depth (")
5.6Source
Power over Ethernet (PoE)
NoSource
LAN Ports
1Source
Width (")
6.9Source
Type
RepeaterSource
Weight (oz)
10.6Source
Height (")
3.8Source
Features
Support for Mesh Networks, Wall MountableSource
MIMO
YesSource
Wi-Fi Standard
Wi-Fi 5 (802.11ac)Source
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