Cablenet Selects Harmonic's cOS Broadband Platform to Deliver Multi-Gigabit Speeds in Cyprus

Key Takeaways

Cablenet has selected Harmonic's cOS virtualized broadband platform to modernize its DOCSIS access network.

The distributed access architecture (DAA) deployment supports Cablenet's delivery of high-performance gigabit speeds and future speed tiers over its access networks.

The cOS platform simplifies operations, enhances subscriber QoE and lowers OPEX.

SAN JOSE, Calif. - Oct. 12, 2026 - Harmonic (NASDAQ: HLIT) today announced that Cablenet Communication Systems plc ( Cablenet ), the second largest fixed network operator in Cyprus and a leading converged fixed and mobile operator, is modernizing its broadband access network with Harmonic's market-leading cOS virtualized broadband platform. The deployment strengthens Cablenet's gigabit service capability, simplifies network operations and enhances subscribers' quality of experience (QoE).

The real measure of network modernization is the difference it makes for our customers, said Panayiotis Kouloumbrides, Chief Core Networks Officer at Cablenet. Harmonic's cOS platform strengthens our DOCSIS 3.1+ network footprint, giving our customers fast, consistent gigabit broadband they can count on today, tomorrow and always, with a clear path to even higher speeds. We believe that broadband should simply work for our customers, every time.

A Platform Built for the Next Generation of Broadband

With Harmonic's virtualized cOS platform in a DAA with low-power Oyster nodes, Cablenet can introduce significantly higher speeds across its footprint and efficiently scale services as subscriber needs evolve. The cOS software-based platform also preserves flexibility for Cablenet's longer-term multi-technology network strategy.

Consolidating Infrastructure and Reducing OPEX

The cOS platform supports Cablenet's approach to consolidating data centers and simplifying hub-site infrastructure as part of the operator's cost-optimization initiative. By moving network functions from legacy hardware to Harmonic's software-based platform, the operator can reduce space, power and wiring requirements and lower OPEX while streamlining operations.

Gaining Access to Operational Intelligence

With the transition to the cOS platform, Cablenet can now access Harmonic's Central AI-driven network intelligence for greater network visibility, more efficient monitoring, faster troubleshooting and improved service assurance.

Operators need a practical path to enhance services today while preserving the flexibility to evolve their networks for tomorrow, said Stefan Meier, Vice President of Sales, Europe, at Harmonic. Our cOS platform provides Cablenet with a strong foundation to modernize its network, simplify operations and deliver a superior broadband experience. We're pleased to support Cablenet's forward-looking network strategy and its commitment to delivering faster, more consistent connectivity and a better quality of experience for its subscribers.

Harmonic will showcase its latest broadband innovations at Network X, Oct. 13-15 in booth L71. To set up a meeting with Harmonic, visit www.harmonicinc.com/events/network-x.

Harmonic is the market share leader in cable broadband equipment, virtual CMTS and DAA, according to Dell'Oro Group, the trusted source for market information about the telecommunications, networks and data center IT industries. The company's market-leading cOS platform powers next-gen broadband services through more than 48 million CPE devices worldwide for leading operators in North America, Europe, Latin America and Asia. To learn more about Harmonic solutions, visit www.harmonicinc.com.

About Harmonic

Harmonic (NASDAQ: HLIT), the worldwide leader in virtualized broadband solutions, is transforming multi-gigabit connectivity. The company's industry-leading cOS virtualized broadband platform, suite of solutions for fiber and DOCSIS, and a growing portfolio of AI-powered network intelligence solutions, enable broadband service providers to simplify operations, deliver exceptional subscriber experiences and expand revenue streams. With thousands of vCMTS servers and hundreds of thousands of RPDs deployed globally, Harmonic powers next-generation broadband services with five-nines reliability. Anchored with a customer-first approach and driven by a legacy of innovation, Harmonic supports broadband service providers at every stage of their network evolution. More information is available at www.harmonicinc.com.

Harmonic, the Harmonic logo and other Harmonic marks are owned by Harmonic Inc. or its affiliates. All other trademarks referenced herein are the property of their respective owners.

Legal Notice Regarding Forward-Looking Statements

This press release contains forward-looking statements within the meaning of Section 27A of the Securities Act of 1933 and Section 21E of the Securities Exchange Act of 1934. Statements concerning Harmonic's business and the anticipated capabilities, advantages, reliability, efficiency, market acceptance, market growth, specifications and benefits of Harmonic products, services and technology are forward-looking statements. These statements are based on our current expectations and beliefs and are subject to risks and uncertainties, including the risks and uncertainties more fully described in Harmonic's filings with the Securities and Exchange Commission, including its Annual Report on Form 10-K for the year ended Dec. 31, 2025, its Quarterly Reports on Form 10-Q and its Current Reports on Form 8-K. The forward-looking statements in this press release are based on information available to Harmonic as of the date hereof, and Harmonic disclaims any obligation to update any forward-looking statements.

About Cablenet

Cablenet Communication Systems plc is the second largest fixed network operator in Cyprus and a con

LINK:	https://www.harmonicinc.com/press-releases/cablenet-selects-harmonics-...
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