company blog about Supply Silicon Labs Z-Wave Mesh Network Wireless Solutions:EFR32ZG28/EFR32ZG23 SoC,ZGM230S Module

Supply Silicon Labs Z-Wave Mesh Network Wireless Solutions:EFR32ZG28/EFR32ZG23 SoC,ZGM230S Module

Shenzhen Mingjiada Electronics Co., Ltd. has established itself as a leading supplier in the electronic components sector, thanks to its extensive product range, stable supply channels, highly competitive pricing, rapid lead times and comprehensive after-sales service.

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We stock over 2 million types of electronic components, covering a wide range of sectors including 5G, new energy, the Internet of Things (IoT), connected cars, artificial intelligence (AI), healthcare and industrial control.

Our main products include: integrated circuits (ICs), evaluation boards, 5G ICs, new energy ICs, IoT ICs, Bluetooth ICs, automotive ICs, automotive-grade ICs, base station ICs, communications ICs, AI ICs, medical ICs, home appliance ICs, voice ICs, memory ICs, sensor ICs, microcontroller ICs, transceiver ICs, mobile phone ICs, iPhone/Apple Watch integrated circuits, wearable device integrated circuits, connectors, lighting integrated circuits, diodes and a range of other products to meet our customers’ demand for high-end components.

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All products undergo rigorous quality testing, comply with the original manufacturers’ technical standards, and are certified to ISO 9001 and ISO 14001 to ensure product quality.

3. Competitive Pricing and Prompt Delivery

Through efficient supply chain management, we offer highly competitive prices and shortened lead times to meet our customers’ requirements for cost-effectiveness and time efficiency, ensuring products are delivered to customers on time.

I. Overall Solution Overview and Key Advantages

The Silicon Labs Z-Wave 800 Series mesh solution is built on the next-generation Wireless Gecko platform. Utilising the dedicated sub-GHz communication band, it avoids signal interference issues associated with Wi-Fi and Bluetooth on the 2.4 GHz band. It supports large-scale self-organising networks, multi-hop relaying and network self-healing, with a single network capable of accommodating hundreds of devices, making it perfectly suited to complex indoor and outdoor distributed IoT scenarios. The entire solution is uniformly equipped with an industry-leading security architecture, ultra-low-power RF design and a highly integrated hardware architecture, whilst also offering differentiated performance configurations to meet the development and deployment requirements of various products.

The core advantages of the solution are centred on four key dimensions: firstly, exceptional networking capabilities, supporting both Z-Wave LR long-range communication and standard Z-Wave dual-mode operation, with stable multi-hop transmission and excellent performance in wall penetration and long-distance transmission; secondly, tiered hardware adaptation, ranging from high-performance dual-band SoCs to ultra-low-power single-core SoCs, and plug-and-play modular products, covering all scenarios from entry-level to high-end; thirdly, military-grade security protection, featuring Secure Vault™ High-level encryption and the S2 security protocol as standard, eliminating the risks of data eavesdropping and device hijacking; fourthly, streamlined mass production implementation, with pre-certified modular products and pin-compatible SoC products, significantly shortening R&D, testing and certification cycles whilst reducing mass production costs.

II. Detailed Technical Analysis of Core Products

2.1 EFR32ZG28 High-Performance Dual-Band Z-Wave SoC

The EFR32ZG28 is the high-end flagship SoC in Silicon Labs’ Z-Wave 800 series, designed specifically for IoT devices with complex functionality, high performance requirements and the need for multi-protocol compatibility. It is the only core chip that supports concurrent operation of Sub-GHz Z-Wave and 2.4GHz BLE, making it suitable for demanding scenarios such as mid- to high-end smart homes, commercial building control and outdoor smart devices. The chip is housed in a 6×6 mm QFN48 package and is fully pin-compatible with the EFR32ZG23, enabling seamless hardware upgrades and significantly enhancing product iteration flexibility.

In terms of hardware architecture, the EFR32ZG28 is equipped with a 32-bit ARM Cortex-M33 core, featuring large-capacity flash memory and RAM resources. Compared to other products in the same series, it offers greater computing power and storage capacity, supporting complex device logic operations, parallel multi-protocol operation and the development of customised functions. At the RF level, it integrates a high-performance Sub-GHz RF unit that supports Z-Wave Long Range (LR) communication mode, significantly expanding network coverage. It also incorporates a 2.4 GHz low-power Bluetooth RF module, enabling dual functionality: Z-Wave mesh networking combined with rapid Bluetooth network configuration and Bluetooth status reporting, thereby resolving the cumbersome network configuration issues associated with traditional Z-Wave devices.

In terms of power consumption and security, the chip continues the series’ ultra-low-power design, supporting multiple sleep modes to balance high performance with extended battery life; it incorporates a hardware-level Secure Vault™ High security encryption engine, supporting S2 full-layer encryption, device authentication and encrypted firmware updates, effectively defending against security risks such as cyber-attacks, unauthorised access and firmware tampering, whilst meeting the stringent security compliance requirements of smart home and commercial IoT applications. With a wealth of peripheral resources, it is equipped with multiple GPIOs, serial ports, ADCs and other general-purpose interfaces, enabling compatibility with a wide range of peripheral expansions such as lighting control, security sensors, smart control centres and metering devices.

Core application scenarios: smart control centres, multifunctional smart switches, outdoor smart access control systems, building automation controllers, high-end smart home devices with Bluetooth integration, and commercial IoT terminals requiring multi-protocol compatibility.

2.2 EFR32ZG23 Ultra-Low-Power Z-Wave SoC

The EFR32ZG23 is the flagship ultra-low-power, streamlined SoC in the series, developed specifically for battery-powered, long-battery-life, and feature-lightweight IoT terminal devices. With low power consumption, high stability and excellent value for money as its core advantages, it is the preferred chip for high-volume smart home sensor terminals. The chip also utilises an ARM Cortex-M33 core, streamlines redundant hardware configurations and optimises RF power consumption strategies to achieve extreme power consumption control whilst ensuring full functionality of Z-Wave mesh networking.

In terms of performance and configuration, the chip is equipped with 512 KB of Flash memory, sufficient to support the operation of standard Z-Wave protocol stacks and the development of basic device functions. Its streamlined and efficient hardware architecture ensures a low failure rate, making it well-suited for long-term unattended end devices. It delivers robust RF performance, retaining full Z-Wave standard networking and multi-hop relaying capabilities. It supports node self-healing and network roaming, enabling seamless integration into large-scale Z-Wave mesh networks and ensuring the stability of end-device connectivity.

Power consumption is a key highlight of the EFR32ZG23; both its sleep current and operating current are at the very top of the industry, enabling an exceptionally long battery life of several years in battery-powered scenarios, thereby completely resolving the pain point of frequent battery replacement associated with traditional wireless sensor devices. On the security front, it incorporates the Secure Vault™ high-level security system and the S2 encryption protocol, ensuring the communication security and device access security of lightweight end devices, whilst eliminating the security vulnerabilities commonly found in low-end devices. Furthermore, the chip’s peripheral circuitry is extremely simple, requiring no complex matching circuits, which effectively reduces PCB layout complexity and hardware costs.

Core application scenarios: lightweight, long-battery-life smart home devices such as door and window sensors, infrared motion sensors, temperature and humidity sensors, water leak and gas sensors, battery-powered smart sockets, and small smart lighting terminals.

2.3 ZGM230S Pre-certified Z-Wave SiP Module

The ZGM230S is an integrated SiP module based on the EFR32ZG23 SoC. Developed by Silicon Labs to facilitate rapid mass production and simplify development, this ready-to-use wireless module eliminates the need for users to perform RF debugging, protocol adaptation or certification, making it the optimal choice for small and medium-sized enterprises seeking to rapidly bring Z-Wave products to market. Measuring just 6.5 × 6.5 mm, the module’s ultra-compact size is ideal for miniaturised smart hardware designs, significantly saving PCB space.

In terms of hardware integration, the ZGM230S incorporates all core hardware—including the EFR32ZG23 core chip, matching circuitry, RF antenna interface and clock circuitry—to deliver plug-and-play wireless communication capabilities. Users need only design the power supply and peripheral circuits to complete product development, thereby completely avoiding the challenges of RF design and significantly lowering the R&D barrier. The module is shipped having already completed full pre-certification by the Z-Wave Alliance, along with RF performance calibration and stability testing. As no secondary certification is required, it is ready for mass production and market launch, shortening the product development cycle by over 60 per cent.

In terms of performance and power consumption, the module fully inherits the core strengths of the EFR32ZG23, offering stable sub-GHz long-range communication capabilities, excellent interference resistance and exceptionally long battery life. It supports full Z-Wave mesh networking functionality and can be flexibly configured as either an end node or a relay node. Security capabilities are equally robust, featuring the built-in Secure Vault™ High security engine and end-to-end S2 encryption to ensure network and data security for mass-produced devices, whilst complying with standard IoT security standards for both residential and commercial applications.

Core application scenarios: rapidly iterating smart home devices, smart locks, small-scale security equipment, lightweight building sensor terminals, and IoT terminal products in small to medium batches. It is particularly suitable for companies lacking an RF R&D team to rapidly bring projects to market.

III. Solution Networking Architecture and Core Functions

The complete Z-Wave mesh solution adopts a decentralised, self-organising network architecture that does not rely on a central gateway. All devices equipped with the chips or modules in this solution can function as end nodes or relay nodes; upon power-up, devices automatically scan the network, join the network autonomously, and dynamically optimise networking paths. Should a node in the network fail, lose power or be removed, the system can achieve network self-healing within milliseconds, automatically switching communication paths to ensure the overall network remains operational, thereby significantly enhancing networking stability in complex scenarios.

In terms of coverage, leveraging the characteristics of Sub-GHz low-frequency radio waves, the solution offers exceptional wall-penetration and long-range transmission capabilities. It can establish stable networks in both multi-storey indoor buildings and outdoor, long-distance distributed deployment scenarios. When combined with Z-Wave LR long-range mode, the single-hop communication distance can be further extended to meet the extensive networking requirements of villas, large apartment blocks, commercial buildings and smart campuses. It also supports large-scale node expansion, with a single network capable of supporting hundreds of devices online simultaneously, free from issues such as bandwidth congestion or node capacity limits, making it suitable for large-scale deployment scenarios such as whole-home smart systems and smart building retrofits.

In terms of multi-device coordination, the solution supports inter-device connectivity, scenario-based联动 and status synchronisation. It enables local devices to respond automatically without the need for cloud involvement and continues to operate normally even in the event of a network outage, significantly enhancing the practicality and stability of smart devices. When used in conjunction with Silicon Labs’ Simplicity Studio development tool, protocol configuration, firmware development, debugging and testing can be completed rapidly, supporting the development of custom networking logic and device functions.

IV. Guide to Selecting the Right Solution

To cater to different product positioning and development requirements, the three core products form a clearly differentiated and complementary system, with a straightforward selection process: for high-end, multi-functional, multi-protocol, high-performance devices, the EFR32ZG28 SoC is the preferred choice, leveraging its dual-band capability, large storage capacity and strong computing power to support complex functions; for lightweight, battery-powered sensor endpoints requiring maximum battery life, the EFR32ZG23 SoC is the preferred choice, enabling large-scale endpoint deployment through its cost-effectiveness and ultra-low power consumption; for projects seeking rapid mass production, a lower R&D barrier and no need for RF development, the ZGM230S module is the preferred choice, enabling rapid deployment through pre-certification and high integration. Furthermore, the ZG28 and ZG23 are pin-compatible, allowing for hardware design reuse and facilitating the establishment of standardised product hardware platforms for enterprises.

V. Summary of Solution Application Scenarios

Silicon Labs’ Z-Wave mesh network wireless solutions, with their tiered hardware architecture, stable networking capabilities, optimal power consumption control and top-tier security protection, comprehensively cover five core application scenarios: whole-home smart home systems, commercial building automation, smart security, outdoor IoT and smart hotel and apartment solutions. Whether it be high-end smart control centres, multi-functional linked devices, low-cost sensors with long battery life, or standardised smart products for rapid mass production, this solution enables stable, secure and efficient wireless networking. It is currently one of the most adaptable and maturely implemented solutions in the field of short-range mesh communication for the Internet of Things.