1. Introduction and Overview
This manual provides detailed instructions for setting up, operating, and maintaining your ASUS T-Mobile AC1900 Wireless-AC1900 Dual-Band Gigabit Router. This high-performance router is designed to deliver fast and reliable Wi-Fi connectivity for your home or small office network. Featuring dual-band technology, a powerful 1 GHz dual-core CPU, and advanced security features like AiProtection with Trend Micro, it ensures a secure and efficient network experience. Please note that this product is locked to the T-Mobile GSM network and will not function with other carriers.
2. Package Contents
Verify that all items are present in your product package:
- ASUS T-Mobile AC1900 Wireless-AC1900 Dual-Band Gigabit Router
- Power Adapter
- Ethernet Cable
- Quick Start Guide
- Support CD (may not be included in all packages)
- Three (3) Detachable Antennas
Image: ASUS T-Mobile AC1900 Router, power adapter, Ethernet cable, and three antennas.
Image: The ASUS T-Mobile AC1900 Router securely packaged within its box.
Image: A standard Ethernet cable, typically used for connecting the router to a modem or a wired device.
Image: The AC power adapter, essential for powering the router.
Image: Three detachable antennas, which provide enhanced Wi-Fi signal coverage.
3. Hardware Features
3.1 Front Panel Indicators
The front panel features LED indicators that provide status information for your router:
- Power LED: Indicates the power status of the router.
- WAN LED: Indicates the status of the Internet connection.
- LAN LEDs (x4): Indicate activity on the wired LAN ports.
- Wi-Fi LEDs (2.4GHz & 5GHz): Indicate the status of the wireless networks.
- USB LEDs (x2): Indicate activity on the USB ports.
3.2 Rear Panel Ports and Buttons
The rear panel houses all the connectivity ports and control buttons:
- WAN Port (Blue): Connects to your modem for Internet access.
- LAN Ports (Yellow, x4): Connect wired devices such as computers, gaming consoles, or smart TVs. These are Gigabit Ethernet ports.
- USB 3.0 Port (Blue): For connecting USB storage devices or printers.
- USB 2.0 Port (Black): For connecting USB storage devices or printers.
- Power Button: Turns the router on or off.
- DC-IN Port: Connects to the power adapter.
- Reset Button: Press and hold to restore factory default settings.
- WPS Button: For easy and secure connection of Wi-Fi Protected Setup (WPS) compatible devices.
- Wi-Fi On/Off Button: Toggles the wireless network on or off.
Image: The rear panel of the router, displaying the WAN port, four LAN ports, two USB ports, power input, and control buttons.
Image: Side view of the router, highlighting the Wi-Fi On/Off and WPS buttons for convenient wireless control.
4. Setup Guide
Follow these steps for initial router setup:
- Connect Antennas: Screw the three detachable antennas onto the connectors on the rear of the router.
- Power Cycle Modem: If your modem was previously connected to another router, unplug its power cable, wait for at least 60 seconds, then plug it back in. Wait for 2-3 minutes until the modem's internet indicator light is stable.
- Connect Modem to Router: Connect one end of the provided Ethernet cable to your modem's LAN port and the other end to the blue WAN port on your ASUS router.
- Connect Power: Plug the power adapter into the DC-IN port on the router and then into a power outlet. Press the Power button to turn on the router.
- Connect a Device: For initial configuration, connect a computer to one of the yellow LAN ports on the router using an Ethernet cable, or connect wirelessly to the default Wi-Fi network (SSID and password usually found on a sticker on the router).
- Access Router Interface: Open a web browser on your connected device and navigate to the router's default IP address (e.g.,
router.asus.comor192.168.1.1). Follow the on-screen instructions to complete the setup wizard, including setting up your Wi-Fi network name (SSID) and password. - Use ASUS Router App: Alternatively, download the ASUS Router App from your mobile device's app store. Scan the QR code on the Quick Start Guide or search for "ASUS Router" to find the app. Follow the in-app instructions for an easy setup process.
5. Operating Instructions
5.1 Connecting Devices
- Wired Connection: Connect devices to the yellow LAN ports using Ethernet cables.
- Wireless Connection: Search for your Wi-Fi network name (SSID) on your device and enter the password you set during setup. The router supports both 2.4GHz and 5GHz bands.
- WPS Connection: Press the WPS button on the router and then activate WPS on your compatible device within two minutes to establish a secure wireless connection without entering a password.
5.2 Managing Your Network
- ASUS Router App: Use the mobile app to monitor network traffic, manage connected devices, enable guest networks, and configure parental controls.
- Web Interface (ASUSWRT): Access the web-based interface via a browser for advanced settings, firmware updates, VPN setup, and detailed network configuration.
5.3 AiProtection with Trend Micro
The router includes AiProtection, powered by Trend Micro, which provides comprehensive network security. This feature helps protect your devices from online threats, blocks malicious websites, and offers parental controls to manage internet usage for family members.
6. Maintenance
- Firmware Updates: Regularly check for and install firmware updates through the ASUS Router App or the web interface to ensure optimal performance, security, and access to new features.
- Router Placement: Place the router in a central location, away from obstructions and interference sources (e.g., microwaves, cordless phones) to maximize Wi-Fi coverage and signal strength.
- Cleaning: Keep the router clean and free of dust to prevent overheating. Use a soft, dry cloth for cleaning.
- Restarting: Periodically restart your router (power cycle) to refresh its connection and improve performance.
7. Troubleshooting
- No Internet Connection:
- Check if the WAN LED on the front panel is lit. If not, ensure the Ethernet cable from the modem is securely connected to the router's blue WAN port.
- Power cycle your modem and router (unplug both, wait 60 seconds, plug modem back in, wait 2-3 minutes, then plug router back in).
- Verify your Internet Service Provider (ISP) connection is active.
- Slow Wi-Fi Speed:
- Ensure your devices are connected to the appropriate Wi-Fi band (5GHz for faster speeds at shorter distances, 2.4GHz for better range).
- Relocate the router to a more central position or away from potential interference.
- Check for firmware updates.
- Reduce the number of active devices or bandwidth-intensive applications.
- Cannot Access Router Interface:
- Ensure your device is connected to the router (wired or wireless).
- Try using a different web browser.
- If you forgot your login credentials, perform a factory reset using the Reset button on the rear panel.
8. Specifications
| Brand | Asus |
| Model Name | T-Mobile AC-1900 (TM-AC1900) |
| Wireless Standard | 802.11ac (Wi-Fi 5) |
| Frequency Band Class | Dual-Band (2.4 GHz, 5 GHz) |
| Data Transfer Rate | Up to 1900 Mbps (Combined) |
| LAN Port Bandwidth | 1000 Mbps (Gigabit Ethernet) |
| Number of Ports | 1 WAN, 4 LAN, 1 USB 3.0, 1 USB 2.0 |
| Antenna Type | External (3 detachable) |
| CPU | 1 GHz Dual-core |
| Security Protocol | WPS, AiProtection with Trend Micro |
| Control Method | ASUS Router App, Web Interface (ASUSWRT) |
| Color | Black |
| Item Weight | 1.4 Pounds |
| UPC | 889349080641 |
9. Warranty and Support
For technical assistance or warranty inquiries, please contact ASUS support directly. Do not return the product to the store before contacting support.
- Support Phone: 1-812-282-2787
- Support Email: Networking_Support@asus.com
- Support Hours (PST):
- Monday - Friday: 5:30 AM - 7:30 PM
- Saturday - Sunday: 6:00 AM - 3:00 PM
- ASUS Support Website: www.asus.com/support
Image: A 'STOP' card with ASUS support contact details, including phone number and email address.
