Buffalo AirStation AC433 WiFi router: Pros and Cons

433 Mbps
IEEE 802.11a/b/g/n/ac
Realtek RTL8881AM
8 MB / 2 MB

The Buffalo AirStation AC433 (WMR-433-BK) router released in 2014. It is powered by Realtek RTL8881AM chipset, 8 MB of RAM and 2 MB of flash. The AC433 router is compatible with IEEE 802.11a/b/g/n/ac standards, and the maximum speed that you can get with AirStation AC433 is 433 Mbps. The router has no WAN and 1 x 10/100 Mbps LAN ports.

The AirStation AC433 is a good choice for users seeking a reliable and feature-rich router that supports the latest Wi-Fi 6 technology. Buffalo is a well-established brand and has a significant market presence globally.

Buffalo AirStation AC433 (WMR-433-BK) pictures

Buffalo AirStation AC433 / WMR-433-BK photo
Buffalo AirStation AC433 / WMR-433-BK photo
Buffalo AirStation AC433 / WMR-433-BK photo
Buffalo AirStation AC433 / WMR-433-BK photo
Buffalo AirStation AC433 / WMR-433-BK photo
Buffalo AirStation AC433 / WMR-433-BK photo
Buffalo AirStation AC433 / WMR-433-BK

The specifications below are based on the official data published by the manufacturer, but we also take user reviews into consideration. If you found an error or something lacking in the specifications above for the Buffalo AirStation AC433, then don’t hesite and signal the problem to us.

Buffalo AirStation AC433 (WMR-433-BK) specifications

NameAirStation AC433
Rated 4/5 based on 1250 user votes.


Dimensions45 x 45 x 15 mm
Weight19 g

The dimensions and design of a router can impact its cooling capabilities. Routers with larger dimensions may have more space for internal cooling mechanisms, such as larger fans or heat sinks, which can help dissipate heat more effectively. If you purchase a router online or have it shipped, the weight may affect the overall cost. Heavier routers can result in higher shipping charges, especially for international deliveries.


ChipsetRealtek RTL8881AM
Flash2 MB
Power supply5 V / 0.5 A

The Buffalo AirStation AC433 router is equipped with Realtek RTL8881AM processor. The AirStation AC433 has 8 MB of RAM. Some advanced router features and software functionalities require a certain amount of RAM to operate properly. For example, routers with more RAM can support advanced security features, VPN services, or QoS (Quality of Service) prioritization more effectively. The AirStation AC433 has 2 MB of flash memory. A larger flash memory allows for more storage space to accommodate future firmware upgrades.

The process of upgrading the firmware on routers has become relatively simple and user-friendly over the years. The Buffalo provides easy-to-use interfaces and instructions to guide users through the firmware upgrade process. The Buffalo AirStation AC433 router comes with 5 V / 0.5 A PSU. This unit is responsible for providing electrical power to the router, and if it becomes faulty, it can be replaced with a new, compatible one.


LAN ports1 x 10/100 Mbps
WAN portsno
Mobile networkno
VPN supportno

The AirStation AC433 router offers built-in security features to protect your network and connected devices. The IPv4 is the fourth iteration of the Internet Protocol (IP) and is the most widely used version of IP on the internet today. The Buffalo AirStation AC433 has 1 x 10/100 Mbps LAN and no WAN ports. LAN or Ethernet ports (RJ-45) are used to connect devices to the local area network (LAN). WAN ports often require specific configuration settings based on the type of internet connection provided by your ISP. The WAN port on the AirStation AC433 router is a Fast Ethernet port, not a Gigabit Ethernet. The Fast Ethernet ports are capable of supporting speeds up to 100 Mbps, which is still suitable for most internet connections.


Antennas1 x 1 dBi. internal
2.4 GHzyes
5 GHzyes
60 GHzno
StandardsIEEE 802.11a/b/g/n/ac
Speed433 Mbps
Transmit power23 dBm
Guest networkno

This router has 1 x 1 dBi. internal antennas. Antennas play a significant role in Wi-Fi performance and coverage. They are essential components of wireless routers that transmit and receive radio signals to establish wireless connections with devices. This router is 2.4 GHz capable. The 2.4GHz band refers to the portion of the radio spectrum between 2.400 and 2.4835 gigahertz. This frequency range is unlicensed and globally available for various wireless applications, including Wi-Fi.

The AirStation AC433 supports the 5 GHz band too. The 5 GHz band offers better noise immunity, less interference, and more available channels. The AirStation AC433 AC Wi-Fi router is backward compatible with older Wi-Fi devices that support 802.11a/b/g/n standards. The AC433 refers to the maximum combined data transfer rate supported by the router across all Wi-Fi bands. The AirStation AC433 is capable of a maximum throughput speed of 433 Mbps. The real-world speed of a AirStation AC433 router is typically lower than its theoretical maximum speed.

The TX power (23 dBm) of a router refers to the transmission power or signal strength at which the router broadcasts its Wi-Fi signal. It determines the range and coverage area of the wireless network. The AirStation AC433 router offers several security protocols: WEP, WPA, WPA2. The WEP (Wired Equivalent Privacy) was the first security protocol for Wi-Fi networks but is now considered weak and easily compromised. It uses a static encryption key and has known vulnerabilities, so it is no longer recommended for securing Wi-Fi networks. The WPA2 (Wi-Fi Protected Access 2) was introduced as an improvement over WEP and provides stronger security. If WPA3 is not available, WPA2-Personal with AES encryption is still considered secure.


USB portsno
Print serverno
File serverno

The AirStation AC433 router doesn't have file-server or print-server functionality.


Default IP192.168.13.1
Default usernameadmin
Default password[on the label]

The default IP addresses of the Buffalo AirStation AC433 device is These address allows you to access the router's console login page. If you are unable to log in to the setup panel of your Buffalo router, performing a reset can be a helpful troubleshooting step. It is highly recommended to change the default password of your AirStation AC433 router after the initial setup. If you forget the new password in the future, you may need to perform a factory reset on the router to revert to the default settings.

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