Overview
The ASUS RT-AX1800S is an AX1800 dual-band WiFi 6 router designed for high-efficiency wireless networking on the 2.4GHz and 5GHz bands. It provides up to 574Mbps on 2.4GHz and 1201Mbps on 5GHz, with one Gigabit WAN port and four Gigabit LAN ports.
WiFi 6 Connectivity
The RT-AX1800S supports WiFi 6 (802.11ax) with OFDMA, beamforming, 1024-QAM, and 2x2 transmit and receive configurations on both supported frequency bands. It is also backward compatible with WiFi 5, WiFi 4, and earlier 802.11 standards.
Wired Networking
The router provides five Gigabit Ethernet ports consisting of one Gigabit WAN port and four Gigabit LAN ports. These connections support wired devices such as computers, network storage, smart TVs, switches, and other Ethernet equipment.
AiMesh and Operating Modes
ASUS AiMesh support allows the RT-AX1800S to operate as a primary AiMesh router or node with compatible ASUS routers. It can also operate in Router, Access Point, Media Bridge, and Repeater modes for different network deployment requirements.
Network Security and Management
The router supports WPA3-Personal, WPA/WPA2-Personal, WPA/WPA2-Enterprise, firewall functionality, guest networking, parental controls, VPN client and server functions, and ASUS AiProtection security features.
Key Features
- AX1800 dual-band WiFi 6 connectivity
- Up to 1201Mbps on 5GHz and 574Mbps on 2.4GHz
- One Gigabit WAN and four Gigabit LAN ports
- OFDMA, beamforming, and 1024-QAM support
- ASUS AiMesh compatibility
Applications
The ASUS RT-AX1800S is suitable for home and small-office networks requiring WiFi 6 connectivity, Gigabit wired networking, multiple operating modes, and expandable AiMesh coverage.
DC Supplies Product Note
For multi-device deployments, the RT-AX1800S provides four dedicated Gigabit LAN ports while AiMesh compatibility allows additional compatible ASUS routers to be incorporated into a larger wireless network.
Specifications
| Brand | ASUS |
| Part Number / MPN | RT-AX1800S |
| Product Type | Dual-Band WiFi 6 Router |
| Product Segment | AX1800 |
| Wireless Standard | WiFi 6 (802.11ax) |
| Wireless Bands | 2.4GHz / 5GHz |
| 2.4GHz Speed | Up to 574Mbps |
| 5GHz Speed | Up to 1201Mbps |
| Transmit / Receive | 2.4GHz 2x2 / 5GHz 2x2 |
| Antennas | 4 x External Antennas |
| Processor | Dual-Core |
| RAM | 256MB |
| Flash Memory | 128MB |
| WAN Ports | 1 x Gigabit RJ45 |
| LAN Ports | 4 x Gigabit RJ45 |
| WiFi Technologies | OFDMA, Beamforming, 1024-QAM |
| Operating Modes | Router, Access Point, Media Bridge, Repeater |
| Mesh Support | ASUS AiMesh |
| Security | WPA3-Personal, WPA/WPA2-Personal, WPA/WPA2-Enterprise, Firewall |
| Power Input | 100-240V AC, 50-60Hz |
| DC Output | 12V / 1.5A maximum |
| Dimensions | 230 x 134 x 56 mm |
| Weight | 390 g |
FAQs
What wireless standard does the ASUS RT-AX1800S support?
The RT-AX1800S supports WiFi 6 based on the IEEE 802.11ax standard and is backward compatible with earlier WiFi standards.
What is the maximum WiFi speed?
The router provides up to 574Mbps on 2.4GHz and up to 1201Mbps on 5GHz, giving it an AX1800-class combined wireless rating.
How many Ethernet ports does it have?
It has one Gigabit WAN port and four Gigabit LAN ports.
Does the RT-AX1800S support AiMesh?
Yes. The router supports ASUS AiMesh and can function as a primary AiMesh router or AiMesh node.
What operating modes are available?
The router supports Router, Access Point, Media Bridge, and Repeater modes.
