AC750 WiF Range Extender Model E X3920 User Manual May 2015 202-11525-01 350 East Plumeria Drive San Jose, CA 95134 USA
AC750 WiF Range Extender Support Thank you for selecting NETGEAR products. After installing your device, locate the serial number on the label of your product and use it to register your product at https://my.netgear.com. You must register your product before you can use NETGEAR telephone support. NETGEAR recommends registering your product through the NETGEAR website. For product updates and web support, visit http://support.netgear.com. Phone (US & Canada only): 1-888-NETGEAR.
Table of Contents Chapter 1 Overview Meet Your Extenders . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Front Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Side Panels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . When to Use Your Extenders . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
AC750 WiF Range Extender Automatically Adjust for Daylight Saving Time. . . . . . . . . . . . . . . . . . . . . . . . . . . Manually Set the Extender Clock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Back Up and Manage the Extender Configuration . . . . . . . . . . . . . . . . . . . . . . . . Back Up the Configuration Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Restore the Configuration Settings . . . . . . . . . . . . . . . . . . . . . .
1. 1 Overview The EX3920 package includes two model EX3700 WiFi Range Extenders. The extenders boost your existing network range and speed, delivering dual-band WiFi. You can also use the extenders in access point mode as a WiFi access point and create a new WiFi hotspot by using a wired Ethernet connection.
AC750 WiF Range Extender Meet Your Extenders Before you install your extenders, familiarize yourself with their LEDs, buttons, and ports. Front Panel Router Device Link LED Link LED Power LED WPS LED Figure 1. Front panel LEDs Side Panels Power connector (varies by region) Power connector (varies by region) Factory Reset Button WPS button Power On/Off button Figure 2.
AC750 WiF Range Extender The following table describes the LEDs. Table 1. Front panel LEDs LED Description Router Link This LED indicates the connection between the extender and the router or access point: • Solid green. Best connection. • Solid amber. Good connection. • Solid red. Poor connection. • Off. No connection. Device Device Link This LED indicates the connection between the extender and a computer or WiFi device: • Solid green. Best connection. • Solid amber. Good connection. • Solid red.
AC750 WiF Range Extender When the extender connects over WiFi to an existing network, it functions as a network client, similar to how a WiFi device connects to a network. • The extender acts as an access point for WiFi devices. The extender broadcasts its own WiFi network that WiFi devices can join. In its role as an access point, the extender performs tasks that WiFi routers do, such as broadcasting its network name (SSID).
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AC750 WiF Range Extender Install the WiFi Extenders Place the extender, apply power, and connect it to your WiFi network. Each extender must connect to your router’s WiFi network. Do not connect the extenders to another extender’s WiFi network. Note: You can also use the extender as a WiFi access point and create a new WiFi hotspot by using a wired Ethernet connection. See Use an Extenders in Access Point Mode on page 14. Place the Extenders and Apply Power To place the extender and apply power: 1.
AC750 WiF Range Extender To use WPS to connect the extender to your WiFi router: 1. Press the WPS button on the side panel of the extender. The WPS LED blinks. 2. Within two minutes, press the WPS button on your router. The WPS LED on the extender lights solid green, the Router Link LED lights, and the extender connects to your existing WiFi network. If the Router Link LED does not light, try again. If it still does not light, see Connect with Web Browser Setup on page 11. 3.
AC750 WiF Range Extender After the connection with the computer or WiFi device is established, the Device Link LED lights. 2. Launch web browser. 3. Enter www.mywifiext.net in the address field of the browser. The New Extender Setup page displays. 4. Click the NEW EXTENDER SETUP button. The first time that you log in to the extender, the Create Account page displays. If the Create Account page does not display, visit www.mywifiext.net. 5.
AC750 WiF Range Extender 9. In the Password (Network Key) field, type the existing WiFi network password (also called passphrase or security key) and click the NEXT button. 10. Set the network name (SSID) and password for your new extender WiFi network and click the NEXT button. 11. Use a WiFi network manager on the computer or WiFi device to connect to the new extended WiFi network. Repeat this step for all of your computers and WiFi devices. 12. Click the CONTINUE button.
AC750 WiF Range Extender Connect an Ethernet-Enabled Device After the extender is connected to your existing WiFi network, you can connect a wired device to the extender using an Ethernet cable. The device can then access your existing network through the extender’s WiFi connection. Figure 4. Rear panel Ethernet LAN ports Use an Extenders in Access Point Mode You can use the extender as a WiFi access point, which creates a new WiFi hotspot by using a wired Ethernet connection. Figure 5.
AC750 WiF Range Extender To use the extender in access point mode: 1. Plug the extender into an electrical outlet. 2. Wait for the Power LED to light amber and then turn green. If the Power LED does not light, press the Power On/Off button on the side of the extender. 3. Use an Ethernet cable to connect the Ethernet port on the extender to a router Ethernet LAN port or a remote Ethernet LAN jack with LAN access. The extender joins the LAN and creates a WiFi hotspot. 4.
AC750 WiF Range Extender 9. Click the ACCESS POINT button. The extender checks for an Internet connection. 10. When prompted, set the network name (SSID), security option, and password, and click the NEXT button. Your settings are applied and the extender is ready to be used as an access point. 11. Use a WiFi network manager on the computer or WiFi device to connect to the new access point network. Repeat this step for all of your computers and WiFi devices. 12. Click the CONTINUE button.
AC750 WiF Range Extender Run Smart Setup Installation You can use Smart Setup to change the extender settings. This is an easy way to connect the extender to a different router or to change the extender WiFi network name (SSID) or WiFi password. To run Smart Setup: 1. Use a WiFi network manager on a computer or WiFi device to find and connect to the new extended WiFi network. After the connection with the computer or WiFi device is established, the Device Link LED lights solid green. 2.
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AC750 WiF Range Extender View Connected Devices You can view a list of devices that are connected to the extender network. To view connected devices: 1. On a computer or WiFi device that is connected to the extender network, launch a web browser. 2. In the address field of your browser, enter www.mywifiext.net. 3. When prompted, enter your email address and password. 4. Click the Menu icon . The extender menu displays. 5. Select Settings > Connected Devices.
AC750 WiF Range Extender When you enable FastLane Technology, two options are available: • Use the 2.4 GHz band to connect the extender to the WiFi devices and use the 5 GHz band to connect the extender to the WiFi router. Use this mode if your WiFi router supports the 5 GHz band but the devices that you want to use for gaming and streaming support the 2.4 GHz band. • Use the 5 GHz band to connect the extender to the WiFi devices and use the 2.4 GHz band to connect the extender to the WiFi router.
AC750 WiF Range Extender View WiFi Settings To view the WiFi settings: 1. On a computer or WiFi device that is connected to the extender network, launch a web browser. 2. In the address field of your browser, enter www.mywifiext.net. 3. When prompted, enter your email address and password. 4. Click the Menu icon . The extender menu displays. 5. Select Settings > WiFi. Change the WiFi Network Name To change the WiFi network name: 1.
AC750 WiF Range Extender 5. Select Settings > WiFi. 6. In each Network Name (SSID) field, type a network name. 7. Click the SAVE button. Your settings are saved. Turn Off the SSID Broadcast to Create a Hidden Network By default, the extender broadcasts its WiFi signal so that its wireless network names (SSIDs) are easy for you to find and connect to from your computer, tablet, or smartphone. You can turn off the SSID broadcast to create a hidden WiFi network.
AC750 WiF Range Extender 5. Select Settings > WiFi. 6. Clear the Broadcast the Network name (SSID) check box. 7. Click the SAVE button. Your settings are saved. Disable or Enable the WiFi Radios By default, the extender’s WiFi radios broadcast signals in the 2.4 GHz and 5 GHz bands. If you disable the WiFi radios, then no one can connect with WiFi to the extender. To disable or enable the WiFi radios: 1. On a computer or WiFi device that is connected to the extender network, launch a web browser. 2.
AC750 WiF Range Extender 5. Select Settings > WiFi. 6. Select or clear the Enable 2.4 GHz WiFi check box. 7. Select or clear the Enable 5 GHz WiFi check box. 8. Click the SAVE button. Your settings are saved. Change the WiFi Speed To change the WiFi speed: 1. On a computer or WiFi device that is connected to the extender network, launch a web browser. 2. In the address field of your browser, enter www.mywifiext.net. 3. When prompted, enter your email address and password. 4. Click the Menu icon .
AC750 WiF Range Extender 5. Select Settings > WiFi. 6. In each WiFi Speed menu, select a speed. 7. Click the SAVE button. Your settings are saved. Use WPS to Add a Computer to an Extender’s WiFi Network WPS (WiFi Protected Setup) lets you connect a computer or WiFi device to the extender’s network without entering the WiFi network passphrase or key. Instead, you use a WPS button or enter a PIN to connect.
AC750 WiF Range Extender Use WPS with the Push Button Method To use the push button method to connect a WiFi device to the extender’s WiFi network, the WiFi device that you are trying to connect must include a physical WPS button or an onscreen WPS button that you can click. To use WPS to add a computer or WiFi device to the extender’s WiFi network: 1. On a computer or WiFi device that is connected to the extender network, launch a web browser. 2. In the address field of your browser, enter www.
AC750 WiF Range Extender 3. When prompted, enter your email address and password. 4. Click the Menu icon . The extender menu displays. 5. Select Settings > Do More > Connect Devices (WPS). The Connect Devices (WPS) page displays. 6. Select the PIN Number radio button. 7. Type the PIN of the WiFi device in the field. 8. Click the NEXT button. For four minutes, the extender attempts to find the computer or WiFi device. 9.
AC750 WiF Range Extender 3. When prompted, enter your email address and password. 4. Click the Menu icon . The extender menu displays. 5. Select Settings > Connected Devices. 6. In the WiFi Devices section, select the Enable Access Control check box. The WiFi devices table displays the names and MAC addresses of WiFi devices that are connected to the extender. 7. Select the Deny check box for the device. 8. Click the SAVE button.
AC750 WiF Range Extender 4. Click the Menu icon . The extender menu displays. 5. Select Do More > Access Schedule. 6. Select the Access Schedule On radio button. The page adjusts. 7. In the Days menu and the Time menu, select the days and time when you want to disable Internet access. 8. Click the Add Time button to add the time that you specified to the Scheduled Times table. 9. Click the SAVE button. Your settings are saved. Change an Extender’s Device Name The default name is EX3920.
AC750 WiF Range Extender 6. Scroll down and click the IP Address heading. 7. In the Device Name field, type a name. 8. Click the SAVE button. Your settings are saved. Set Up an Extender to Use a Static IP Address The extender comes set up to use a dynamic IP address, which is the correct setting for most home networks. To set up the extender to use a static IP address: 1. On a computer or WiFi device that is connected to the extender network, launch a web browser. 2.
AC750 WiF Range Extender By default, the Dynamically get IP Address from Router radio button is selected. 7. Select the Use Static IP Address radio button. 8. Complete the fields to specify the IP network IP addresses. 9. Click the SAVE button. Your settings are saved. Use an Extender with MAC Filtering or Access Control When the WiFi device connects through the extender to your router, the MAC address of the wireless device shown on the router is translated to another MAC address.
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AC750 WiF Range Extender Change the Extender User Name and Password You can change the user name and password to log in to the extender. To add an extender user: 1. On a computer or WiFi device that is connected to the extender network, launch a web browser. 2. In the address field of your browser, enter www.mywifiext.net. 3. When prompted, enter your email address and password. 4. Click the Menu icon . The extender menu displays. 5. Select Settings > Password Settings. 6.
AC750 WiF Range Extender Turn Password Protection Off and On NETGEAR recommends that you leave password protection on to help keep your network secure. You can turn password protection off and on. To turn password protection off or on: 1. On a computer or WiFi device that is connected to the extender network, launch a web browser. 2. In the address field of your browser, enter www.mywifiext.net. 3. When prompted, enter your email address and password. 4. Click the Menu icon .
AC750 WiF Range Extender A login window opens. 7. Log in to the extender. Automatically Adjust for Daylight Saving Time To set up the extender to automatically adjust for daylight saving time: 1. On a computer or WiFi device that is connected to the extender network, launch a web browser. 2. In the address field of your browser, enter www.mywifiext.net. 3. When prompted, enter your email address and password. 4. Click the Menu icon . The extender menu displays. 5. Select Do More > Access Schedule.
AC750 WiF Range Extender Back Up and Manage the Extender Configuration When the extender works correctly after initial setup, NETGEAR recommends that you back up the extender configuration settings. After you have back up the settings, if you change the extender configuration settings but are not content with the new settings, you can restore the extender configuration to the backed-up settings. Back Up the Configuration Settings You can back up the configuration file of the extender.
AC750 WiF Range Extender 3. When prompted, enter your email address and password. 4. Click the Menu icon . The extender menu displays. 5. Select Settings > Other Settings. 6. Click the BROWSE button. 7. Locate and select the previously saved backup file. By default, the name of the backup file is NETGEAR_EX7000.cfg. CAUTION: After you click the RESTORE button, do not try to go online, turn off the extender, shut down the computer, or do anything else to the extender until it finishes restarting! 8.
AC750 WiF Range Extender To use the Factory Reset button to return the extender to factory default settings: CAUTION: This process erases any settings that you configured in the extender. 1. Insert a straightened paper clip into the hole of the Factory Reset button and hold it for about seven seconds. Factory Reset button 2. Release the button.
AC750 WiF Range Extender 4. Click the Menu icon . The extender menu displays. 5. Select Settings > Other Settings. CAUTION: After you click the RESET button, do not try to go online, turn off the extender, shut down the computer, or do anything else to the extender until it finishes restarting! 6. Click the RESET button. A confirmation pop-up window opens. 7. Confirm your decision. The extender returns to its factory settings and restarts. This process takes about one minute.
AC750 WiF Range Extender 5. Select Settings > Firmware Update. 6. Click the CHECK ONLINE button. 7. If new firmware is available, follow the onscreen prompts to download it onto your computer. Note: You might need to unzip the firmware file. 8. Click the BROWSE button. 9. Locate and select the new firmware file. The firmware file name ends with a .chk extension.
AC750 WiF Range Extender The Other Settings page displays. 6. Click the RESTART button and click the Yes button to confirm. The extender restarts, which takes about two minutes.
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AC750 WiF Range Extender FAQs This section provides answers for difficulties you might experience with the extender. The web browser setup keeps asking me for my network password (passphrase) or security key, and I am sure that I entered the correct password. What can I do? The extender is probably placed at the borderline of the range covered by the router or access point. For more information about where the place the extender, see Find the Best Location on page 13.
AC750 WiF Range Extender Cannot Join a WiFi Network and Receive an Error Message To join a WiFi network, you must know its network name (also called the SSID) so that you can select it. If the network is secure, you must know the passphrase or key. If the extender does not connect to the network that you select, the cause might be one of the following: • It is possible that you typed the network name, passphrase, or key incorrectly.
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AC750 WiF Range Extender Factory Default Settings To reset the extender to factory default settings, you can use either the Factory Reset button on the side panel or log in and click the RESET button. For more information, see Return the Extender to Its Factory Default Settings on page 37. The following table shows the factory default settings. Table 2.
AC750 WiF Range Extender Technical and Environmental Specifications The following table shows the technical and environmental specifications. Table 3. Technical specifications Technical Specifications Network protocol and standards compatibility Data and routing protocols: TCP/IP, DHCP server and client, DNS relay Physical specifications • • Dimensions: 55.17 x 67.17 x 39 mm (2.17 x 2.64 x 1.54 in.) Weight: 130 g (0.
