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Semtech Launches 2.5G FTTR Chipset for Next-Generation PON Networks

Comprehensive 2.5G symmetric FTTR chipset delivers cost efficiency breakthroughs for expanding fiber-to-premises deployments

SHENZHEN, China & CAMARILLO, Calif.--(BUSINESS WIRE)-- (Nasdaq: SMTC), a leading provider of high-performance semiconductor, Internet of Things (鈥淚oT鈥�) systems and cloud connectivity service solutions, today announced its comprehensive 2.5G symmetric Fiber to the Room (FTTR) chipset designed to accelerate global Passive Optical Network (PON) deployments. The integrated solution addresses critical cost and performance challenges as the FTTR market prepares for significant growth driven by expanding fiber-to-premises deployments.

Semtech Launches 2.5G FTTR Chipset for Next-Generation PON Networks

As fiber networks extend deeper into premises to eliminate Wi-Fi dead zones and support bandwidth-intensive applications, service providers face mounting pressure to deliver cost-effective solutions. Drawing on decades of carrier-grade PON experience, Semtech鈥檚 chipset now enables the industry transition from asymmetric 1.25G/2.5G systems to true symmetric 2.5G FTTR deployments.

This transition is gaining momentum globally as governments prioritize broadband infrastructure investment. Dell鈥橭ro Group鈥檚 Broadband Access & Home Networking 5-Year July 2025 forecast projects PON equipment revenue growing to $12.6 billion by 2029, driven largely by XGS-PON deployments in North America and Europe, as well as 50 Gbps and FTTR adoption in China.

鈥淭he FTTR market represents the next frontier for optical network expansion, moving into comprehensive premises coverage,鈥� said Jacqui Adams, senior product line manager for signal integrity solutions at Semtech. 鈥淥ur 2.5G FTTR chipset delivers cost efficiency, performance and integration that can enable service providers to scale these deployments economically while maintaining the reliability standards that have made Semtech the performance leader in PON applications.鈥�

Comprehensive Integration Drives Cost Leadership

Semtech鈥檚 2.5G FTTR solution addresses the fundamental economics challenge facing FTTR deployments through purpose-built integration that eliminates the cost penalties of repurposed Fiber-to-the-Home (FTTH) chipsets.

• GN25L42 2.5G OLT Super TIA: Revolutionary resetless burst mode transimpedance amplifier for Master FTTR Units (MFU), works with low-cost PIN photodiodes to meet sensitivity requirements of FTTR Ra and Rb standard. Integrated burst mode RSSI output significantly reduces component costs and production setup time when used as a chipset alongside the GN25L83 OLT combo.
• GN25L83 Symmetric 2.5G OLT Combo: Combined 2.5Gbps laser driver and burst mode limiting amplifier (combo) completes the chipset for 2.5G MFUs. Featuring an optimized dual rate 2.5/1.25Gbps burst mode limiting amplifier with integrated burst mode RSSI support to enable simple and low-cost diagnostics reporting of receiver input power. Programmable Rx equalization optimizes performance and sensitivity to -31dBm, delivering the reliability essential for MFU applications.
• GN25L70 Symmetric 2.5G ONU Combo: Combined 2.5G burst mode laser driver and limiting amplifier (combo) for 2.5G sub-FTTR units (SFU) designed for long-lead through-hole PCB Bidirectional Optical Sub-Assembly (BOSA) optics, uses low-cost CMOS to eliminate costly flex PCB requirements and reducing overall system costs.

The chipset development benefits from Semtech鈥檚 active participation in ITU PON and CCSA standards development, promoting compatibility and adaptability for evolving FTTR requirements.

Semtech at CIOE 2025

The complete chipset solution is available now for sampling, enabling customers to begin development of next-generation FTTR systems that will define the global premises fiber landscape.

Semtech will showcase its 2.5G FTTR chipset capabilities at CIOE 2025 in Shenzhen, China at Booth #11C52 demonstrating the integrated solution's cost and performance advantages for service providers planning FTTR deployments.

Learn more about Semtech's high-performance optical, analog and mixed-signal IC signal integrity solutions at .

About Semtech

Semtech Corporation (Nasdaq: SMTC) is a leading provider of high-performance semiconductor, IoT systems and cloud connectivity service solutions dedicated to delivering high-quality technology solutions that enable a smarter, more connected and sustainable planet. Our global teams are committed to empowering solution architects and application developers to develop breakthrough products for the infrastructure, industrial and consumer markets. To learn more about Semtech technology, visit us at or follow us on or .

Semtech and the Semtech logo are registered trademarks or service marks of Semtech Corporation or its subsidiaries. All other trademarks and trade names mentioned may be marks and names of their respective companies.

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Michelle Lozada, [email protected]

Source: Semtech Corporation