Recently, ASR Microelectronics' first RedCap smart wearable chip platform, ASR3901, successfully passed China Mobile's chip certification test. This achievement marks another milestone in ASR Microelectronics' expanding RedCap product lineup and reinforces its commitment to driving the commercialization of RedCap technology.

During the two-week initial testing phase, ASR3901 successfully completed all test items with outstanding performance. The China Mobile chip certification process includes rigorous assessments covering RedCap protocol conformance, RF conformance, wireless resource management, network interoperability (NS-IOT and NV-IOT), and IPv6 compliance. These tests comprehensively validate ASR3901’s communication stability, bandwidth adaptability, protocol support, and wireless resource management capabilities in the 5G RedCap environment. The results confirm that ASR3901 fully meets the stringent requirements of 5G RedCap networks, making it highly suitable for smart wearable applications while accelerating the large-scale adoption and commercialization of RedCap technology.

ASR3901 is a cost-effective 5G RedCap system-on-chip (SoC) designed specifically for smart wearable devices. Fully compliant with the 3GPP 5G R17 standard, the chip delivers superior performance and flexibility, serving as a key enabler for the next generation of smart wearables.

Supporting both NR and LTE networks, ASR3901 covers a wide frequency range from 450 MHz to 6 GHz and supports 5G SA (Standalone) mode, ensuring excellent mobile communication capabilities. Its single-chip architecture integrates a multi-mode baseband, RF module, audio codec, and embedded LPDDR memory. This highly integrated design allows for a compact package while achieving significantly low power consumption, making it ideal for wearable device development.

Additionally, ASR3901 inherits multiple key 5G NR technologies, including:

• Network Slicing: Enables customized network services to meet diverse application and device requirements.
• 5G LAN: Supports efficient device-to-device connectivity for seamless collaboration.
• URLLC (Ultra-Reliable Low-Latency Communication): Provides robust support for real-time applications.
• High-Precision Timing: Meets the stringent synchronization requirements of AR/VR applications.

ASR3901 also offers a rich set of memory controllers and peripheral interfaces, allowing for extensive expansion and enhanced flexibility in terminal devices.

5G RedCap technology presents significant advantages for smart wearable devices, particularly in balancing performance, cost, and power efficiency. It not only delivers stable and efficient connectivity with optimized energy consumption but also extends battery life and enhances the user experience. ASR3901 provides essential technological support for various smart wearables, including smartwatches, smart glasses, and VR/AR headsets.

To ensure commercial readiness, ASR Microelectronics has conducted extensive live network testing across China, confirming ASR3901’s maturity for mass production. The chip platform will empower the next generation of 5G RedCap smart wearables with high-performance, cost-effective, and energy-efficient solutions, driving further innovation and diversification in the smart wearable market.

With a strong foundation in technology and a commitment to innovation, ASR Microelectronics will continue to align closely with market demands, expanding and refining its RedCap chip portfolio. By collaborating with ecosystem partners, the company aims to accelerate the adoption of 5G technology across smart wearables, IoT, and other industry applications—bringing smarter, more efficient solutions to enterprises and consumers alike, and unlocking the limitless possibilities of the 5G era.