ASUS BROAD BAND ROUTER AC750 RT-AC51USKU: RT-AC51U
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Great-value dual-band AC750 wireless router for home and cloud use
The Essential AC Upgrade
ASUS RT-AC51U Dual-band Wireless-AC750 router gives you both fast wireless speed and great value to upgrade your home network to the latest 802.11ac Wi-Fi technology today. Experience simultaneous dual-band connectivity and enjoy 300 Mbps speed on the 2.4 GHz frequency and up to 433 Mbps in 5 GHz band.
Thanks to its multipurpose USB port, RT-AC51U is much more than just a router. Plug in a USB hard disk drive and you’ve got an instant file server — and one that extends into the cloud via ASUS AiCloud. Alternatively, attach a USB printer to RT-AC51U to create a print server for sharing one device with several users. The USB even accommodates 3G/4G mobile broadband dongles for two broadband (WAN) connections on one router so you’ll never again have to worry about your internet access going down. The port can even be used for powering gadgets such as smartphones and tablets, making it a handy charging station.
The easy-to-use ASUSWRT graphical user interface unlocks the power of RT-AC51U giving robust control to optimize your network for you. 30-second setup and easy traffic management means even network newbies can enjoy its sophisticated features, while power users will love its IPv6 support, multiple wireless SSIDs and secure VPN access.
Next gen 802.11ac wireless, up to 3X faster than 1×1 wireless N routers
Powered by 5th generation Wi-Fi (5G Wi-Fi), the 802.11ac chipset gives the RT-AC51U faster wireless speeds than N technology. At 2.4 GHz, it reaches 300 Mbps, while on the 5GHz band it blazes to 433 Mbps. The upgraded bandwidth has the higher capacity you need to increase Wi-Fi enjoyment at home. With notebooks, desktops, pads, and smartphones now all Wi-Fi-reliant, it’s time to upgrade to the next generation to expand you connectivity now and in the future.
Dual-band connectivity for compatibility and performance
Delivering 2.4 GHz and 5 GHz concurrent bands at up to 300 Mbps and 433 Mbps, respectively, the RT-AC51U has a total speed of up to 733 Mbps, and maintains complete stability. Perform basic tasks like Web browsing and file downloading on the 2.4 GHz band, while simultaneously allowing multiple devices to stream in Full HD or support online gaming and other bandwidth-demanding applications smoothly on the clearer 5 GHz band.
No more dead zones with 150% the coverage
Powerful two-way transmission improves Wi-Fi range by 150% compared generic routers, ensuring far-reaching coverage. The unique design of RT-AC51U means a connection you can always rely on.
Add external storage, printers, and other devices to your network
With built-in USB port, connect external storage, printers, and other devices to RT-AC51U and share them throughout your network at once.
Robust control and optimization with ASUSWRT
With the ASUSWRT dashboard UI, setup, monitor, and control network applications all in one intuitive area. On top of 30-second setup, multi-device detection, and flexible settings that make the most of your network performance, it’s been upgraded with quick scanning of USB storage connected to routers to verify data integrity and drive health. Dual WAN enables having two connections/ISPs on one router, with load balance and failover mode for added stability and redundancy to ensure uninterrupted internet access.
Easy 3-step setup
Use your smartphone, tablet, or PC to effortlessly set up your ASUS router in less than 30 seconds¹ and in only 3 easy steps. Simply connect the cables to the router, open a Web browser, and follow the setup wizard to get you to the internet in no time.
Step1: Open web browser.
Step2: Enter ID/Password.
ASUS AiCloud – Your world on demand
ASUS AiCloud keeps you connected to your data wherever and whenever you have an internet connection. It links your home network and online Web storage service2 and lets you access it through the AiCloud mobile app on your iOS or Android smartphone or through a personalized URL in a Web browser. Learn more.
Download and stream anywhere
Download Master and enhanced media server let you download and play multimedia files stored on router-attached USB storage on a wide range of compatible devices such as PC, pad, PS4, Xbox, and smart TV. Download Master can also download files while your PC is turned off, and allows you to manage and monitor download status remotely.
VPN server enabled
Easily set up a VPN server to browse the web and access data — no matter where you are. Featuring PPTP encryption, your data transmission remains always secure and confidential.
|Network Standard||IEEE 802.11a, IEEE 802.11b, IEEE 802.11g, IEEE 802.11n, IEEE 802.11ac, IPv4, IPv6|
|Product Segment||AC750 complete AC performance : 300+433 Mbps|
|Data Rate||802.11n : up to 300 Mbps
802.11ac : up to 433 Mbps
|Antenna||External 5 dBi antenna x 2
Internal PCB antenna x 1
2.4 GHz 1 x 1
5 GHz 1 x 1
|Memory||8 MB Flash
64 MB RAM
|Operating Frequency||2.4 GHz / 5 GHz|
|Encryption||64-bit WEP, 128-bit WEP, WPA2-PSK, WPA-PSK, WPA-Enterprise , WPA2-Enterprise , Radius with 802.1x, WPS support|
|Firewall & Access Control||Firewall：SPI intrusion detection
Access control：Guest access, Parental control, Network service filter, URL/Port filter
|WAN Connection Type||Internet connection type : Automatic IP, Static IP, PPPoE(MPPE supported), PPTP, L2TP
Dual Link support
Multicast Proxy support
|Ports||RJ45 for 10/100 BaseT for WAN x 1, RJ45 for 10/100 BaseT for LAN x 4
USB 2.0 x 1
– User definable rules for IP/MAC/Port
– Upload and download bandwidth management
– ACK/SYN/FIN/RST/ICMP with highest priority
Guest Network : 2.4 GHz x 3, 5 GHz x 3
VPN server : IPSec Pass-Through, PPTP Pass-Through, L2TP Pass-Through, PPTP Server, OpenVPN Server
VPN client : PPTP client, L2TP client, OpenVPN client
Enhanced media server (AiPlayer app compatible)
– Image : Jpeg
– Audio : mp3, wma, wav, pcm, mp4, lpcm, ogg
– Video : asf, avi, divx, mpeg, mpg, ts, vob, wmv, mkv, mov
AiCloud personal cloud service
3G/4G data sharing
– Multifunctional printer support (Windows only)
– LPR protocol support
– Support bt, nzb, http, ed2k
– Support encryption, DHT, PEX and magnet link
– Upload and download bandwidth control
– Download scheduling
AiDisk file server
– Samba and FTP server with account management
|Button||WPS Button, Reset Button, Power Button|
|LED Indicator||USB x 1
LAN x 1
Wi-Fi x 1
WAN x 1
Power x 1
|Power Supply||AC Input : 110V~240V(50~60Hz)
DC Output : 12 V with max. 1 A current
|OS Support||Windows® 10
Windows® 8 , 32bit/64bit
Windows® 7 , 32bit/64bit
Windows® Vista , 32bit/64bit
Windows® XP , 32bit/64bit
Windows® Server 2003
Windows® Server 2008
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
Mac OS X
Linux Kernel (Support Ubuntu only)
|Dimensions||189 x 129 x 36 ~ mm (WxDxH)|
|Package Content||．RT-AC51U Wireless-AC750 Cloud Router
．Quick Start Guide
．Support CD (User manual & Utility software)
|Operation mode||Wireless router mode
Access point mode
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