Wi-Fi 7 Multi-Link Operation (MLO) Promises Faster Speeds, Faces Implementation Hurdles

Understanding Multi-Link Operation (MLO)

Multi-Link Operation (MLO) is a core component of the new Wi-Fi 7 standard. Its primary function is to enable routers to establish simultaneous connections across multiple frequency bands, distributing internet traffic among them. This capability is intended to deliver increased internet speeds and more stable network connections compared to previous Wi-Fi generations.

MLO vs. Band Steering

MLO builds upon the concept of band steering, a feature in older routers that automatically switches devices between frequency bands for optimal connection. While band steering can cause speed reductions or instability during band transitions, MLO aims to resolve these issues by transmitting data across all available bands concurrently. This approach is designed to prevent bottlenecks and maintain consistent performance.

Current Implementation Challenges

The term MLO encompasses two distinct implementations: Simultaneous Transit and Receive (STR) mode, which uses multiple radios for simultaneous multi-band connections, and Enhanced Multi-Link Single Radio (EMLSR) mode, which uses a single radio to monitor and switch between bands without signal interruption. A February 2026 report by Rtings indicated that no Wi-Fi 7 router currently supports the full multi-radio STR version of MLO, meaning the advertised benefits are not yet fully realized in available hardware.

Network and Device Compatibility

Adopting MLO also faces challenges related to network and device compatibility. MLO benefits are exclusive to Wi-Fi 7 devices. If a network mixes Wi-Fi 7 routers with older Wi-Fi 6 or earlier access points, devices connected to the older access points will not utilize MLO. Furthermore, end-user devices such as phones, laptops, or network cards must be Wi-Fi 7 compatible to take advantage of MLO features; otherwise, enabling MLO could potentially introduce network issues.