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IOGEAR Ethernet-2-WiFi Universal Wireless Adapter

BH #IOGWU637 • MFR #GWU637
15 reviews
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IOGEAR Ethernet-2-WiFi Universal Wireless Adapter
Key Features
  • Convert Ethernet to Wi-Fi on Any Device
  • Wi-Fi IEEE 802.11b, g, n
  • Data Transfer Rates of up to 300 Mbps
  • Compatible with Legacy Gadgets
Enjoy the freedom of Wi-Fi connectivity with the IOGEAR Ethernet-2-WiFi Universal Wireless Adapter. This adapter grants devices Wi-Fi capabilities and is ideal for devices that do not have built-in Wi-Fi, but have an Ethernet port, such as legacy gadgets and printers. It uses dual antennas and can deliver data rates of up to 300 Mbps for fast file transfers, music downloads, video streaming, and online gaming. If you have a WPS (Wi-Fi Protected Setup) home network, you can connect to it easily with the push of a button. The Ethernet-2-WiFi Universal Wireless Adapter also supports WEP, WPA, WPA2, TKIP, and AES encryption standards to keep your wireless connection safe.
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IOGEAR GWU637 Overview

Enjoy the freedom of Wi-Fi connectivity with the IOGEAR Ethernet-2-WiFi Universal Wireless Adapter. This adapter grants devices Wi-Fi capabilities and is ideal for devices that do not have built-in Wi-Fi, but have an Ethernet port, such as legacy gadgets and printers. It uses dual antennas and can deliver data rates of up to 300 Mbps for fast file transfers, music downloads, video streaming, and online gaming. If you have a WPS (Wi-Fi Protected Setup) home network, you can connect to it easily with the push of a button. The Ethernet-2-WiFi Universal Wireless Adapter also supports WEP, WPA, WPA2, TKIP, and AES encryption standards to keep your wireless connection safe.

Revive Legacy Gadgets
Older laptops, A/V receivers, network printers, and other Ethernet only devices leave you at the mercy of a hardwired data connection. With IOGEAR's Ethernet-2-WiFi Universal Wireless Adapter, you can breathe new life into your legacy electronics by giving them Wi-Fi capability.
Maximize Transfer Speeds
Using dual antennas (2T2R), the adapter delivers data rates up to 300 Mbps for faster file transfers, music downloads, video streaming, online gaming, and HD multimedia applications.
Secured Wi-Fi Network
IOGEAR's Ethernet-2-WiFi Universal Wireless Adapter supports WEP, WPA, WPA2, TKIP and AES encryption standards to keep your wireless connection safe from intruders.
Wi-Fi Protected Setup (WPS) Support
The Ethernet-2-WiFi Adapter supports Wi-Fi Protected Setup (WPS), allowing you to connect to your Wi-Fi network at the push of a button.
UPC: 881317513335

IOGEAR GWU637 Specs

Key Specs
System Connection
RJ45 (10/100 Mbps Ethernet)
Wi-Fi
Wi-Fi 4 (802.11n); Single-Band (2.4 GHz)  
Bluetooth
Yes
General
System Connection
RJ45 (10/100 Mbps Ethernet)
Wi-Fi
Wi-Fi 4 (802.11n); Single-Band (2.4 GHz)  
Number of Antennas
2
Bluetooth
Yes
Supported IEEE Standards
802.11b, 802.11g, 802.11n, 802.3, 802.3u
Wireless Security
AES, TKIP, WEP 64, WEP 128, WPA, WPA2
OS Compatibility
Windows
Performance
Throughput
300 Mb/s Total
 
Transmit Power
13 to 17 dBm
Wireless Range
Wi-Fi
328' / 100 m Indoor 
591' / 180 m Outdoor 
Physical
Dimensions
2.6 x 1 x 0.8" / 6.5 x 2.5 x 1.9 cm
Weight
0.05 lb / 0.02 kg
Packaging Info
Package Weight
0.5 lb
Box Dimensions (LxWxH)
7.6 x 6.3 x 2.3"

IOGEAR GWU637 Reviews

Keep your old hardware alive!

By Nicholas
Rated 5 out of 5
Date: 2026-02-07

I have a 15 year old laser printer that is still going strong—but ethernet only. Previously it was connected via a wifi extender reconfigured to be an Ethernet/wifi bridge. Not the best solution—I had to disable its own wifi network, disable the DHCP server, all sorts of work. This is much simpler. Here's how I configured it: 1. Write down the MAC address (it's written on device itself) 2. Log into your router and provision a static IP for the adapter's MAC address. Pick something easy like 192.168.1.10 and add a comment so you know what it is. 3. Connect the adapter to your computer via Ethernet and power it via USB 4. Disable your computer's wifi 5. Set Ethernet interface on computer to the static IP, netmask, and gateway according to the instructions 6. Log into the adapter's configuration page (also in the instructions) by typing the IP address into your browser 7. Change the default password 8. Log back in again 9. Set the IP of the adapter to match the static IP that you picked 10. Connect to your wifi network 11. Reboot and log in to the adapter from your laptop 12. YOU SHOULD NOW BE CONNECTED TO YOUR WIFI NETWORK USING THE ADAPTER. CHECK TO MAKE SURE YOU CAN PING DEVICES ON YOUR NETWORK / ACCESS THE INTERNET 13. Disconnect your computer, turn your wifi back on, and confirm you can access the adapter from wifi. Congratulations! Your adapter is now ready to use. Connect your device. You will be able to access the device and the adapter via their respective web interfaces on your network. Both have static IP addresses so they never get lost. Pro tip: The MAC address on the side of the adapter is for both the WIFI AND ETHERNET interfaces of the bridge. Strange but true! Last thing: This is an old-school b/g/n wifi adapter on the congested 2.4 GHz band. Don't use it for anything that needs bandwidth. Keep it to embedded things and you will be happy.

Pretty impressive tiny bridge

By JB
Rated 4 out of 5
Date: 2025-02-10

Smallest solution I've found to make a wired device wifi compatible. The instructions are good and accurate, just read them slowly and don't skip ahead as it uses non-standard terminology and has to reboot for every change (30 seconds/time). I use windows, cannot speak to the mac issues but it configured perfectly on the first go. It CAN do static IP's and they are NOT limited to some arbitrary address. I tried a few in the 192, 10, and 2 ranges - all worked fine. It may have been the case in 2019 (when that review was written) but it is no longer limited in this regard. TBD if the heat issue will shorten its lifespan - I assume it will. Don't forget that the apple Airport Express only lasted about 1yr before dying and they were much pricier than this.

See any errors on this page?

What is the operating temperature range for this ...

What is the operating temperature range for this converter?, and what are the input power requirements?
Asked by: Yehuda
The IOGEAR Ethernet-2-WiFi Universal Wireless Adapter is requires 5V 500mA and is rated for operation in temperatures ranging from 0 ~ 50ºC (32 - 122ºF).
Answered by: Paige K
Date published: 2025-12-03

Will this work with an unsecured starlink wi-fi?

Will this work with an unsecured starlink wi-fi?
Asked by: David
Yes, the IOGEAR Ethernet-2-WiFi Universal Wireless Adapter can work with your StarLink Wi-Fi signal, given that both ends are configured properly.
Answered by: Michael S
Date published: 2024-06-23
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