#Switzerland #Wi-Fi 7 #Zurich #QuantalRF #Wi-Fi 8

QuantalRF Introduces the QWX27104: A New Standard in Wi-Fi Front-End Modules

QuantalRF, a leader in RF semiconductor and antenna technology, has taken a significant leap forward in wireless communication technology with their groundbreaking QWX27104 linear front-end module (FEM) tailored for Wi-Fi 7 and Wi-Fi 8 applications. Announced recently, this new product aims to enhance performance for mobile devices by tackling some of the key challenges posed by wideband modulations present in the latest Wi-Fi standards.

A Game-Changer in Wireless Technology

The QWX27104 is a DPD-efficient front-end module designed specifically for mobile applications and is now being sampled to Tier 1 mobile OEMs and SoC (System on Chip) manufacturers. This new FEM forms part of QuantalRF's Elementum™ portfolio, distinguished by its innovative design that integrates the GlobalFoundries (GF) 8SW RF-SOI power amplifier architecture.

What sets the QWX27104 apart is its ability to deliver up to 3 dB higher mask-compliant output power, a vital requirement in complex modulation environments like those of Wi-Fi 7 and 8 that operate within the 160 and 320 MHz bandwidths. Traditional solutions often rely heavily on digital pre-distortion (DPD) techniques to combat amplifier distortion, leading to increased computational demands and power consumption, which can negatively impact device performance. The QWX27104 aims to invert this established paradigm by emphasizing intrinsic linearity within its design.

Technical Marvel: Performance Metrics

One of the most notable features of the QWX27104 is its impressive performance consistency across various channels. When evaluated with DPD applied at a 160 MHz bandwidth, it maintains an error vector magnitude (EVM) variation of less than 0.5 dB across all channels. This margin is striking compared to competitive GaAs solutions, which can exhibit more than 4 dB variations, forcing design engineers to lower output power for compliance.

At a 320 MHz operational bandwidth, the QWX27104 manages an EVM of less than -47 dB, supporting 16 dBm outputs while still adhering to strict spectral mask limits. This translates to a significant overall increase in usable output power, optimal for the demanding configurations required in next-gen Wi-Fi communications.

Innovative Smart Design

QuantalRF’s design strategy for the QWX27104 emphasizes both intelligence and adaptability via a novel multi-loop analog feedback system that self-optimizes to improve efficiency and linearity under real-time conditions. This not only raises the bar for product performance but also reduces the rigors of DPD on the host system-on-chip, ultimately leading to lower power consumption.

Crafted using GF’s trusted 8SW RF-SOI process, this FEM integrates multiple essential components including the power amplifier (PA), low-noise amplifier (LNA), switch, and coupler into a singular compact package. Measuring just 2mm x 2mm, it is designed for easy implementation, allowing it to interface seamlessly with existing GaAs-based solutions.

Catalyzing Future Wireless Standards

With QuantalRF's advancements, the QWX27104 is positioned to become a critical component in enhancing mobile device performance, addressing the specific needs of emerging Wi-Fi standards. The ability to achieve more output power with less complexity represents cutting-edge progress in RF design and wireless technology, making it well-suited for industrial-scale applications in the coming years.

The availability of QWX27104 samples and evaluation kits signals an exciting step forward in mobile technology, with volume production efforts set to commence in Q1 2027. This development not only illustrates QuantalRF's commitment to innovation but also their leadership in shaping the future of wireless communications.

About QuantalRF

Headquartered in Zürich, Switzerland, QuantalRF is at the forefront of transforming the RF signal chain for wireless communications, offering highly configurable front-end ICs and efficient antennas that significantly enhance performance metrics. With over 225 patents in their portfolio, QuantalRF continues to push the boundaries of what is possible in wireless technology, making dramatic improvements in area, cost, and overall performance.

To learn more about QuantalRF's products and innovations, visit QuantalRF.com.