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[](https://www.t-mobile.com) ### Manage Links Click any [available links](https://www.t-mobile.com) to add. Click any [added links](https://www.t-mobile.com) to remove. Links with [no highlight](https://www.t-mobile.com) can't be sent. Done (0 Links) The FX4100 cellular router provides reliable, high-speed connectivity wherever you need it, making it the ultimate broadband solution. ## On this page: - [Device images](https://www.t-mobile.com#heading) - [Tech Specs](https://www.t-mobile.com#heading1) - [LED Indicators, Ports & Buttons](https://www.t-mobile.com#heading2) - [Set Up](https://www.t-mobile.com#heading3) - [Monitor & Manage](https://www.t-mobile.com#heading4) ## [](https://www.t-mobile.com)Device images   Front       Back       ## [](https://www.t-mobile.com)Tech Specs __Topic__ __Details__ Power 12V @2.5A (+/- 5%) Dimensions (H x W x D) 167 mm x 104 mm x 52 mm (6.6” x 4.1” x 2.0”) Weight: 23 oz (650g) Operating Temperature Range 32 °F to 122 °F (0 °C to 50 °C) Wi-Fi - Wi-Fi 7 with 2x2 MU-MIMO - 802.11be with EasyMesh & EasyConnect standards - Simultaneous dual-band Wi-Fi - Full power AP Wi-Fi (~30dBm) with mesh - Primary and guest networks - Supports up to 128 simultaneous Wi-Fi enabled devices - Maximum recommended devices: 128 Network connectivity - 5G NR with SA/NSA - 5G sub-6 GHz - 4x4 MIMO 5G sub-6 GHz - 4G LTE Cat 20 - 4x4 MIMO 4G LTE - 256 QAM sub-6 GHz Software & security - IPv4 and IPv6 - IPsec VPN and OpenVPN - VPN passthrough - IPPT and NAT mode - Port forwarding and filtering - MAC filtering - Content filtering - Periodic reboot - Seamless failover - WAN management - Secure boot/root of trust - WPA2/WPA3 authentication - Encrypted configuration backup/restore - Advanced firewall - Anti CSRF (OWASP) - Multi-link operation (MLO) - Wireless and wired mesh pairing - Wireless and wired mesh backhaul   ## [](https://www.t-mobile.com)LED Indicators, Ports & Buttons   LED Indicators   The front of the router has a device status LED, a cellular status LED, and a Wi-Fi status LED. Each LED changes colors and blinks or glows solid to communicate current states for the device. You can turn off the indicator LEDs in the Admin web UI with __Settings > Preferences__.     Ports   The two ethernet ports on the back of the router can be configured as WAN or LAN. The FX4100 features 2 x SMA connectors for external antennas.     Device display   The device display provides device information and alerts, and allows you to perform actions, like pair with a mesh node or check for a firmware update. - Use the display button to navigate through the display: - Short press (<1 second): cycles through the display menu or submenu options. - Long press (>3 seconds): initiates an action or accesses/exits a submenu. - The device display times out after 60 seconds.    Main menu __Submenu__ Cellular: T-Mobile - Cellular IMEI - Cell SIM - Cellular Number - Cellular APN - Cellular IP - Cellular Brand - Cellular Signal - Exit Submenu: Hold button Ethernet WAN: Connected - Ethernet Link Speed - E MAC Address - Ethernet WAN IP - Exit Submenu: Hold button Wi-Fi Name: FX4100-A4C6 - Wi-Fi PWD: *example password* - Wi-Fi Clients - Wi-Fi Mesh Nodes - Exit Submenu: Hold button Wi-Fi Mesh: Hold Button to Add - Wi-Fi Mesh: Hold Button - Wi-Fi Mesh: Searching > Press Mesh Button on Node - Wi-Fi Mesh: Pairing > Wi-Fi Mesh: No Node Found - Wi-Fi Mesh: Paired! Firmware *Firmware number* Update *Hold Button to Check* Alerts *Hold Button to Review*   ## [](https://www.t-mobile.com)Set up 1. Plug the power cord into the router and plug the power adapter into an AC wall outlet. 2. Scan the QR code on the bottom of the router titled __Scan for Inseego mobile app__. You can also visit [https://inseego.com/products/cloud-management/inseego-mobile-app/#available-now](https://inseego.com/products/cloud-management/inseego-mobile-app/#available-now) to download the app. 3. Follow the instructions to connect to the FX4100 and identify the ideal location from the app. 4. Optional: Register device using the admin password located on the bottom label. 5. Optional: External Antenna 1. Finger tighten your external antennas to the CELL1 and CELL2 external antenna ports. 2. To enable external antennas, toggle the antenna switch on the back of the router (located between the external antenna connection ports) to __Ext Ant On.__ The FX4100 does not have a software antenna enablement option. 3. When using antennas, the following conditions are needed: - Selected antenna covers the appropriate cellular frequencies. - Antenna has higher gain than the device itself (including cable loss). - Device is in a mid to low coverage area (<~100 dBm RSRP). No additional router configuration is needed to enable Static IP.   ## [](https://www.t-mobile.com)Monitor & Manage You can manage and monitor the FX4100 remotely through Inseego Connect. This option is offered as an add-on service. You can also access the web UI on at http://192.168.1.1 for a full set of device management features. The Inseego Mobile app also offers basic device monitoring and management when accessed locally.   Change Wi-Fi (Access to the network) password   1. Access Web Gateway User Interface (GUI): Inseego FX4100 Gateway Device by navigating to http://192.168.1.1. 2. Select __>__ from the __Home__ page Wi-Fi panel or select __Wi-Fi__ from the side menu. 3. Select the __Primary Network__ tab or __Guest Network__ tab. 4. Enter a new password in the __Password Field__, or you can use the __Generate New Password__ button to insert a strong random password in the __Password Field__. 5. If this setting is greyed out, first __disable MLO__, make changes, and then re-enable MLO. 6. Select __Save Changes__.   Change the Administration (Admin) password   1. From the local Web UI: Select the down arrow next to __Sign Out__ in the top-right corner of any Admin Web UI page and select __Change Password__. 2. From Inseego Connect: __Select Device > Admin Password__ from the Configure side menu. 3. Enter your current Admin password, then enter a new password and confirm it. The new password must have a length between 14 and 32 characters and contain at least one special character and number. 4. Select a security question from the drop-down list and type an answer to the question. Answers are case-sensitive. 5. Select __Save Changes__. A confirmation appears. 6. Select __OK.__ The next time you sign in to the Admin web UI, use the new Admin password. If you cannot remember the password, select __Forgot Admin password__. After you correctly answer the security question you set up, the current password is displayed.   Restore Factory Settings   It can take over two minutes for the router to restart after the first time a factory reset is performed. Any changes made to settings will be lost. 1. Verify that your router is powered on. 2. Locate the reset button on the back of your router. 3. To reboot the router: Press the reset button for one second. 4. To reset to factory settings: Press the reset button for five seconds until the device resets. The display will show "device initiated reset".     * * * Was this helpful? * * * ## Get answers from our T-Mobile Business Expert, 24/7. - [1-800-375-1126](tel:18003751126) - [@TMobileBusiness](https://twitter.com/TMobileBusiness) - [T-Mobile for Business](https://www.facebook.com/TMobileforBusiness)