English 
- Brand: ASUS
- Model: ASUS RT-AC57U
- Main characteristics
- Type: router, router
- Antenna type: external
- Number of external antennas: 4
- Power On / Off
- button: yes
- WPS button: yes - Reset button: yes
- Operating modes:
- WiFi router: yes
- 3G router: yes
- 4G router: yes
- Access point: yes
- Signal amplifier (repeater): yes
- Wireless module parameters
- Frequency range: 2.4 GHz, 5 GHz
- Communication standard: n, b, ac, g, a
- Compliance with network standards: IEEE 802.11a , IEEE 802.11b, IEEE 802.11g, IEEE 802.11n, IEEE 802.11ac
- Maximum Wireless Data Rate (2.4 GHz): 300 Mbps
- Maximum wireless data transfer rate (5 GHz): 867 Mbps
- Wireless network protection
- WEP: yes
- WPA: yes
- WPA2: yes
- WPA-PSK: yes
- WPA2-PSK: yes
- WPA-ENT: yes
- WPA2 -ENT: yes
- Ports:
- LAN Interface: Gigabit Ethernet (10/100/1000)
- Internet Connection Interface (WAN): Gigabit Ethernet (10/100/1000)
- LAN Port (RJ-45) : 4
- WAN port (RJ-45): 1
- USB 2.0 port: 1
- Access control:
- Parental control: yes
- Scheduled access: yes
- Rules management: yes
- Functions:
- IP-TV
- support : yes - FTP Server support: yes
- Connecting a 3G modem: yes
- Wireless Internet access: 4G / LTE (requires a USB modem), 3G (requires a USB modem)
- IPv6 support: yes
- Display:
- Power: yes
- WAN: yes
- LAN: yes
- Frequency 2.4 GHz: yes
- Frequency 5 GHz: yes
- USB: yes
- Additional features:
- Encryption protocols: 64-bit WEP, 128-bit WEP, WPA2-PSK, WPA-PSK, WPA-Enterprise, WPA2-Enterprise, support for WPS
- Enclosure:
- Case material: plastic
- Color: black
- Options:
- Power adapter: yes
- Ethernet cable: yes
- Instruction: yes
- Dimensions and weight
- Height: 3.5 cm
- Width: 20.7 cm
- Depth: 14.8 cm
- Weight: 395 g