UAE operator du has aggregated 420 MHz of spectrum bandwidth across six 5G New Radio component carriers on its commercial standalone 5G-Advanced network, in what the operator claims is a world-first deployment of six-carrier aggregation combining FDD and TDD spectrum.

The carrier aggregation spans an unusually wide slice of du's spectrum holdings: the 3.6 GHz, 2.6 GHz, 2.1 GHz, 1.8 GHz and 600 MHz bands. Nokia supplied the radio infrastructure, using its commercial Habrok massive MIMO radios for the deployment. Du validated the configuration with the latest available generation of 5G-Advanced devices, the operator said on Friday.

The technical achievement matters because carrier aggregation is the mechanism operators use to stitch together fragmented spectrum awards into a single, wider channel for individual devices. Most commercial deployments to date have aggregated two or three carriers. Combining six — mixing lower-band FDD spectrum with mid-band TDD holdings — pushes the pool of capacity available to a compatible device to nearly half a gigahertz, which translates into higher peak and real-world throughput where a 5G+ icon is displayed on the handset.

Danial Mausoof, VP of Nokia's MI Segment for the Middle East and Africa, framed the deployment in those terms. "Carrier aggregation is crucial to getting the best possible 5G advanced performance out of scattered spectrum assets," he said in a statement.

Du's claim to a world first is its own characterization rather than an independently verified benchmark, and the operator did not disclose specific throughput figures achieved in the validation. What is confirmed is the scale of the aggregation — six component carriers across 420 MHz — running on a commercial standalone 5G-Advanced network rather than a lab setup, with current-generation 5G-A devices used for validation.

The deployment reflects the commercial mechanics of 5G-Advanced, the 3GPP Release 18-era upgrade path that operators in spectrum-fragmented markets are using to extract more performance from existing holdings. In the UAE, where du and rival e& compete aggressively on network benchmarks and Gulf operators have moved early on 5G-Advanced rollouts, wider carrier aggregation gives du a differentiator for premium data performance without requiring new spectrum awards.

The practical benefit for subscribers depends on device support. Only the latest generation of 5G-Advanced handsets can exploit six-carrier aggregation, and the aggregated capacity applies where devices display the 5G+ indicator. For those devices, du says the deployment enables faster data speeds, greater capacity and stronger network performance.

Du CTO Saleem AlBlooshi tied the deployment to the operator's longer-term roadmap, including AI-driven applications and eventual 6G migration. "This achievement demonstrates how we can make greater use of our spectrum to create more capacity and deliver stronger network performance as customer needs evolve," he said in a statement. "It also represents an important step in advancing our 5G+ network while building the foundations for the journey towards 6G, in line with the UAE's ambitions for next-generation connectivity."

The 6G framing is aspirational — the ITU has yet to finalize IMT-2030 requirements, and commercial 6G networks are not expected before around 2030. The nearer-term significance is more concrete: du has demonstrated that six-carrier aggregation across FDD and TDD spectrum works on a live commercial network with current 5G-A devices, a configuration other operators holding scattered mid- and low-band assets are likely to pursue as 5G-Advanced device ecosystems mature.