PTCL launches country’s first 800G WDM system

KARACHI: PTCL Group, Pakistan’s top integrated ICT provider, has achieved a major milestone by successfully launching the country’s first 800 Gbps per wavelength Super C+L wavelength division multiplexing (WDM) system.

This advanced technology enables a data transmission capacity of 64Tbps per fibre, with the potential to reach up to 96Tbps, marking a significant step forward for Pakistan’s digital infrastructure.

Developed in collaboration with Huawei, PTCL’s Super C+L system supports a broader optical spectrum of up to 12THz, compared to the 4.8THz provided by traditional systems. It combines high-speed 800 Gbps per wavelength, ultra-wide Super C+L spectrum, and advanced flexible grid optical switching.

This breakthrough positions PTCL at the forefront of Pakistan’s digital transformation, preparing the network for future technologies like Fixed 5.5G (F5.5G) and enabling faster, smarter, and more efficient connectivity.

Group Chief Technology and Information Officer, PTCL & Ufone 4G Jafar Khalid said: “Our focus is on advancing cutting-edge technology while maintaining sustainability. This upgrade will improve service quality, lower latency, and enhance the overall user experience for both consumers and enterprises while reducing our environmental footprint. It will also help us manage the growing demand for data traffic across different customer segments with reliable, cost-effective solutions.”

President of Huawei’s Optical Domain Victor Zhou added: “We are proud to support PTCL in building this high-speed optical network, which will boost Pakistan’s digital growth and sustainability efforts. It will strengthen data centre connections, reduce carbon emissions, and set the stage for future advancements like F5.5G.