Asus DSL-AC55U Wireless-AC1200 Dual-band 802.11ac VDSL/ADSL Modem Router
- Concurrent dual-band of 867Mbps on 5GHz and 300Mbps on 2.4GHz
- Offers compatibility with VDSL2, ADSL2/2+, ADSL, fiber, and cable services for complete future-proofing
- Equipped with two WAN ports for DSL and Gigabit Ethernet ports for fast and reliable internet performance
- Engineered with four antennas for wide coverage and signal strength
- Features a multi-purpose USB port to support file sharing, printer sharing, media streaming, and 3G/4G support
- ProvideĀ s VDSL/ADSL WAN multi-service for IPTV support
- Works with PPTP/Open VPN server and VPN client support
- Download Master and enhanced media server let you download and stream anywhere
- Supports ASUS AiCloud which lets you access, sync, share, and stream data anywhere
Asus DSL-AC55U Wireless-AC1200 Dual-band Router Description
Upgrade network connectivity in home and small office environments with the Asus DSL-AC55U, a versatile Wireless-AC1200 dual-band 802.11ac VDSL/ADSL Modem Router that is designed to deliver high-speed internet access and robust wireless performance. This modem router allows concurrent dual-band of 867Mbps on 5GHz and 300Mbps on 2.4GHz, allowing you to enjoy fast internet connectivity. It offers compatibility with VDSL2, ADSL2/2+, ADSL, fiber, and cable services for complete future-proofing. Equipped with two WAN ports for DSL and Gigabit Ethernet ports, the modem router ensures you have access to a fast and reliable internet performance.
The DSL-AC55U is engineered with four external antennas that provide a wide coverage of signal strength, ensuring that all connected devices can experience an uninterrupted internet connection. It features a multi-purpose USB port that supports file sharing, printer sharing, media streaming, and 3G/4G connectivity without compromising on network delivery. Provided with VDSL/ADSL WAN multi-service for IPTV support, it ensures there is an effortless delivery of media content and videos over an IP network. Designed to work with the PPTP VPN server and PPTP/L2TP VPN client, the DSL-AC55U gives you access to your home network remotely or surf the internet with encryption without the need for paid VPN services or a dedicated VPN server. With the Download Master feature, you can quickly download with an enhanced media server that lets you download and stream anywhere conveniently. The integration of the modem router with the ASUS AiCloud allows you to access, sync, share, and stream data anywhere without reaching out to the router.Ā
Dual-Band Wi-Fi Connectivity
Designed to support simultaneous operation on both 2.4GHz and 5GHz bands, the DSL-AC55U delivers combined wireless speeds of up to 1200 Mbps (300 Mbps on 2.4GHz and 867 Mbps on 5GHz). This dual-band capability ensures smooth HD streaming, online gaming, and other bandwidth-intensive tasks.


Wide Connectivity
Engineered with four Gigabit Ethernet LAN ports for wired connections, the DSL-AC55U provides fast data transfer speeds over a wired network. It also features a Gigabit Ethernet WAN port for connecting to another modem or router. The included USB 2.0 and USB 3.0 ports are used to connect to printers, storage devices, or 3G/4G dongles over the network to add versatility and functionality to the modem router's capabilities.
Easy Setup and Management
The integration of the modem router with the ASUS AiCloud allows you to access, sync, share, and stream data anywhere without reaching out to the router. Utilising AsusWRT, a user-friendly web-based interface for easy setup and management of router settings, this DSL-AC55U ensures you can swiftly set up the router for use in any application room. Integrated with the Asus Router A, you can conveniently control the modem router via your mobile device. Also, it allows you to set up separate guest Wi-Fi networks with customisable access settings to ensure the security of your main network while providing guest access.

What's in the Box?
- Asus DSL-AC55U- Wireless-AC1200 Dual-band 802.11ac VDSL/ADSL Modem RouterĀ
- RJ-45 Cable
- RJ-11 Cable
- Support CD(User manual and utility)
- Power Adapter
- Warranty Card
- Quick Start Guide
- Splitter (varies with regions)
Asus DSL-AC55U- Wireless-AC1200 Dual-bandĀ Router Technical Specs
Model
- DSL-AC55U
Network Standard
- IEEE 802.11a
- IEEE 802.11b
- IEEE 802.11g
- WiFi 4 (802.11n)
- WiFi 5 (802.11ac)
- IEEE 802.11e
- IEEE 802.11i
- IPv4
- IPv6
Product Segment
- AC1200 enhanced AC performance: 300+867 Mbps
WiFi Data Rate
- 802.11a: up to 54 Mbps
- 802.11b: up to 11 Mbps
- 802.11g: up to 54 Mbps
- WiFi 4 (802.11n): up to 300 Mbps
- WiFi 4 (802.11n): up to 867 Mbps
xDSL Data Rate
- VDSL2/ADSL2+/ADSL2/ADSL multimode
- Support Annex A/B/I/J/L/M
- Support all VDSL2 profiles -8a, 8b, 8c, 8d, 12a, 12b, 17a and 30a
- VDSL2 interface compliance with ITU-T G.993.2
- ITU-T G.992.1 (G.dmt), Annex A, and B Compliant
- ITU-T G.992.2 (G.lite), Annex A, and B Compliant
- ANSI T1.413 Compliant
- ITU-T G.992.3 (ADSL2) Compliant, Annex A, B, L, and M
- ITU-T G.992.5 (ADSL2+) Compliant, Supporting Annex A, B, and M
- ITU-T G.993.2 Compliant, Annex A, B
- ITU-T G.993.5 (Vectoring)
- ITU-T G.998.4 (G.inp) Improved impulse noise protection
- ATM and PTM (dual-priority)
- VDSL2 Upstream: 150Mbps, Downstream: 200Mbps
- ADSL2+ Upstream: 3.3Mbps, Downstream: 24Mbps
- ADSL2 Upstream: 3.5Mbps, Downstream: 12Mbps
Antenna
- External antenna x 4
I/O Ports
- 1 x RJ11 for xDSL
- 4 x RJ45 10/100/1000 BaseT for LAN
- 1 x RJ45 10/100/1000 BaseT for WAN
Buttons
- WPS Button, Reset Button, Power Button, Wireless on/off Button
LED Indicator
- Power, Internet, LAN x 4, xDSL, 2.4 GHz Wi-Fi, 5 GHz Wi-Fi, USB x 1
Power Supply
- AC Input : 110 ~240 V(50~60HZ)
- DC Output: 12 V/1.5 A
Power Consumption
- 18 W Max.
Product Weight (g)
- 360 g (Device Only)
Product Dimensions
- 20.7 x 14.9 x 3.6 ~ cm (WxDxH) (Without Bezel)
Security
- WPS
Traffic Control
Bandwidth limiter
- Traffic Monitor
WAN
- Dual WAN
- DDNS
LAN
- DHCP Server
- IPTV
USB application
- Media Server
User Interface
- WindowsR 10
- WindowsR 8.1
- WindowsR 8
- WindowsR 7
- WindowsR Vista
- WindowsR 2000
- WindowsR XP
- Mac OS X 10.1
- Mac OS X 10.4
- Mac OS X 10.5
- Mac OS X 10.6
- Mac OS X 10.7
- Mac OS X 10.8
More Information
Delivery Option | 15-20 Working Days |
---|---|
SKU | DSL-AC55U |
Brands | ASUS |
TYPE | Wireless Routers |
Connectivity Type | Bluetooth |
Ports | 1x 10/100/1000Mbps WAN; 4x 10/100/1000Mbps LAN |
Antenna | External Only |
Interface | RJ-45 |
LAN Ports | 4 x 10/100/1000M |
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Search FAQs
Questions & Answers
Asus DSL-AC55U Wireless-AC1200 Dual-band Router Description
Upgrade network connectivity in home and small office environments with the Asus DSL-AC55U, a versatile Wireless-AC1200 dual-band 802.11ac VDSL/ADSL Modem Router that is designed to deliver high-speed internet access and robust wireless performance. This modem router allows concurrent dual-band of 867Mbps on 5GHz and 300Mbps on 2.4GHz, allowing you to enjoy fast internet connectivity. It offers compatibility with VDSL2, ADSL2/2+, ADSL, fiber, and cable services for complete future-proofing. Equipped with two WAN ports for DSL and Gigabit Ethernet ports, the modem router ensures you have access to a fast and reliable internet performance.
The DSL-AC55U is engineered with four external antennas that provide a wide coverage of signal strength, ensuring that all connected devices can experience an uninterrupted internet connection. It features a multi-purpose USB port that supports file sharing, printer sharing, media streaming, and 3G/4G connectivity without compromising on network delivery. Provided with VDSL/ADSL WAN multi-service for IPTV support, it ensures there is an effortless delivery of media content and videos over an IP network. Designed to work with the PPTP VPN server and PPTP/L2TP VPN client, the DSL-AC55U gives you access to your home network remotely or surf the internet with encryption without the need for paid VPN services or a dedicated VPN server. With the Download Master feature, you can quickly download with an enhanced media server that lets you download and stream anywhere conveniently. The integration of the modem router with the ASUS AiCloud allows you to access, sync, share, and stream data anywhere without reaching out to the router.Ā
Dual-Band Wi-Fi Connectivity
Designed to support simultaneous operation on both 2.4GHz and 5GHz bands, the DSL-AC55U delivers combined wireless speeds of up to 1200 Mbps (300 Mbps on 2.4GHz and 867 Mbps on 5GHz). This dual-band capability ensures smooth HD streaming, online gaming, and other bandwidth-intensive tasks.


Wide Connectivity
Engineered with four Gigabit Ethernet LAN ports for wired connections, the DSL-AC55U provides fast data transfer speeds over a wired network. It also features a Gigabit Ethernet WAN port for connecting to another modem or router. The included USB 2.0 and USB 3.0 ports are used to connect to printers, storage devices, or 3G/4G dongles over the network to add versatility and functionality to the modem router's capabilities.
Easy Setup and Management
The integration of the modem router with the ASUS AiCloud allows you to access, sync, share, and stream data anywhere without reaching out to the router. Utilising AsusWRT, a user-friendly web-based interface for easy setup and management of router settings, this DSL-AC55U ensures you can swiftly set up the router for use in any application room. Integrated with the Asus Router A, you can conveniently control the modem router via your mobile device. Also, it allows you to set up separate guest Wi-Fi networks with customisable access settings to ensure the security of your main network while providing guest access.

What's in the Box?
- Asus DSL-AC55U- Wireless-AC1200 Dual-band 802.11ac VDSL/ADSL Modem RouterĀ
- RJ-45 Cable
- RJ-11 Cable
- Support CD(User manual and utility)
- Power Adapter
- Warranty Card
- Quick Start Guide
- Splitter (varies with regions)
Asus DSL-AC55U- Wireless-AC1200 Dual-bandĀ Router Technical Specs
Model
- DSL-AC55U
Network Standard
- IEEE 802.11a
- IEEE 802.11b
- IEEE 802.11g
- WiFi 4 (802.11n)
- WiFi 5 (802.11ac)
- IEEE 802.11e
- IEEE 802.11i
- IPv4
- IPv6
Product Segment
- AC1200 enhanced AC performance: 300+867 Mbps
WiFi Data Rate
- 802.11a: up to 54 Mbps
- 802.11b: up to 11 Mbps
- 802.11g: up to 54 Mbps
- WiFi 4 (802.11n): up to 300 Mbps
- WiFi 4 (802.11n): up to 867 Mbps
xDSL Data Rate
- VDSL2/ADSL2+/ADSL2/ADSL multimode
- Support Annex A/B/I/J/L/M
- Support all VDSL2 profiles -8a, 8b, 8c, 8d, 12a, 12b, 17a and 30a
- VDSL2 interface compliance with ITU-T G.993.2
- ITU-T G.992.1 (G.dmt), Annex A, and B Compliant
- ITU-T G.992.2 (G.lite), Annex A, and B Compliant
- ANSI T1.413 Compliant
- ITU-T G.992.3 (ADSL2) Compliant, Annex A, B, L, and M
- ITU-T G.992.5 (ADSL2+) Compliant, Supporting Annex A, B, and M
- ITU-T G.993.2 Compliant, Annex A, B
- ITU-T G.993.5 (Vectoring)
- ITU-T G.998.4 (G.inp) Improved impulse noise protection
- ATM and PTM (dual-priority)
- VDSL2 Upstream: 150Mbps, Downstream: 200Mbps
- ADSL2+ Upstream: 3.3Mbps, Downstream: 24Mbps
- ADSL2 Upstream: 3.5Mbps, Downstream: 12Mbps
Antenna
- External antenna x 4
I/O Ports
- 1 x RJ11 for xDSL
- 4 x RJ45 10/100/1000 BaseT for LAN
- 1 x RJ45 10/100/1000 BaseT for WAN
Buttons
- WPS Button, Reset Button, Power Button, Wireless on/off Button
LED Indicator
- Power, Internet, LAN x 4, xDSL, 2.4 GHz Wi-Fi, 5 GHz Wi-Fi, USB x 1
Power Supply
- AC Input : 110 ~240 V(50~60HZ)
- DC Output: 12 V/1.5 A
Power Consumption
- 18 W Max.
Product Weight (g)
- 360 g (Device Only)
Product Dimensions
- 20.7 x 14.9 x 3.6 ~ cm (WxDxH) (Without Bezel)
Security
- WPS
Traffic Control
Bandwidth limiter
- Traffic Monitor
WAN
- Dual WAN
- DDNS
LAN
- DHCP Server
- IPTV
USB application
- Media Server
User Interface
- WindowsR 10
- WindowsR 8.1
- WindowsR 8
- WindowsR 7
- WindowsR Vista
- WindowsR 2000
- WindowsR XP
- Mac OS X 10.1
- Mac OS X 10.4
- Mac OS X 10.5
- Mac OS X 10.6
- Mac OS X 10.7
- Mac OS X 10.8
Delivery Option | 15-20 Working Days |
---|---|
SKU | DSL-AC55U |
Brands | ASUS |
TYPE | Wireless Routers |
Connectivity Type | Bluetooth |
Ports | 1x 10/100/1000Mbps WAN; 4x 10/100/1000Mbps LAN |
Antenna | External Only |
Interface | RJ-45 |
LAN Ports | 4 x 10/100/1000M |