SiWx917 Wi-Fi 6 plus Bluetooth LE 5.4 Wireless SoCs
The lowest power Wi-Fi 6 (802.11ax) SoC with Matter and Bluetooth LE enabling multi-year battery life on sensors, 0-8 MB Flash, external PSRAM option.
SiWx917 Wi-Fi 6 plus Bluetooth LE 5.4 Wireless SoCs

Our SiWx917 SoC is our lowest power Wi-Fi 6 SoC, ideal for ultra-low power IoT wireless devices using Wi-Fi®, Bluetooth, Matter, and IP networking for secure cloud connectivity. It is optimal for developing battery operated devices that need long battery life. SiWx917 SoC includes an ultra-low power Wi-Fi 6 and Bluetooth Low Energy (LE) 5.4 wireless CPU subsystem, and an integrated micro-controller (MCU) application subsystem, security, peripherals and power management subsystem all in a single 7x7 mm QFN package. The wireless subsystem consists of a multi-threaded processor (ThreadArch®) running up to 160 MHz, baseband digital signal processing, analog front end, 2.4 GHz RF transceiver and integrated power amplifier. The application subsystem consists of an ARM® Cortex®-M4F running up to 180 MHz, embedded SRAM, FLASH, and Sensor Hub. The ARM® Cortex®-M4F is dedicated for peripheral and application-related processing, while the ThreadArch® runs the wireless and networking stacks on independent threads, thus providing a fully integrated solution that is ready for a wide range of embedded wireless IoT applications.

Target applications include Smart Homes, Consumer Health and Wearables, Medical, Industrial, Retail, Smart Building and Cities, Asset Tracking.

Key Specs
Wi-Fi 6 and Bluetooth LE 5.4, Matter ready, ultra-low power, secure wireless radio
Integrated MCU, ARM® Cortex®-M4 processor with FPU
EFR32BG22 Series 2 Bluetooth Low Energy (SoC) - EFR32BG22
An SoC with industry-leading energy efficiency and receiver (RX) sensitivity enabling a coin cell battery life of up to 10 years. A tiny footprint of 4x4 mm and Secure Vault.
EFR32BG22 Series 2 Bluetooth Low Energy (SoC) - EFR32BG22

EFR32BG22 (BG22) Bluetooth low energy (LE) wireless SoC solutions are part of the Wireless Gecko Series 2 platform. The BG22 family's combination of best-in-class ultra-low transmit and receive power (4.1 mA TX at 0 dBm, 3.6 mA RX) and a high-performance, low-power Arm® Cortex®-M33 core (27 µA/MHz active, 1.2 µA sleep) delivers industry-leading energy efficiency that can extend coin cell battery life up to ten years. Target applications include Bluetooth mesh low-power nodes, smart door locks, personal healthcare and fitness devices. Asset tracking tags, beacons and indoor navigation also benefit from the SoCs' versatile Bluetooth Angle of Arrival (AoA) and Angle of Departure (AoD) capabilities and sub-one-meter location accuracy.

Key Specs
Supports Bluetooth 5.4 & Bluetooth mesh
Ideal for ultra-low-power battery-powered IoT devices
EFR32FG28 Sub-GHz Wireless + 2.4 GHz BLE SoCs
An ideal dual band Sub-GHz + 2.4 GHz Bluetooth LE SoC solution for IoT applications in smart homes, security, lighting, building automation, and metering.
EFR32FG28 Sub-GHz Wireless + 2.4 GHz BLE SoCs

The EFR32FG28 SoC is an ideal dual band Sub-GHz + 2.4 GHz Bluetooth LE SoC solution for IoT applications in smart homes, security, lighting, building automation, and metering. This dual band solution combines a high-performance Sub-GHz radio that provides long range capabilities and a Bluetooth radio for increased design flexibility. The large memory footprint and increased IO count allows for design consolidation and Secure Vault™ gives flexibility to choose the security level that meets your product’s needs.

Key Specs
Up to 1024 kB of Flash and 256 kB of RAM
Sub-GHz and Bluetooth LE Support
EFR32MG22 (MG22) Series 2 Zigbee SoC (system-on-chip)
A SoC for battery-powered home sensors combining ultra-low transmit and receive power (8.2 mA TX at +6 dBm, 3.9 mA RX) and 1.4 µA deep-sleep power. A tiny footprint of 4x4 mm and Secure Vault.
EFR32MG22 (MG22) Series 2 Zigbee SoC (system-on-chip)

EFR32MG22 (MG22) Zigbee SoC (system-on-chip) solutions are part of the Wireless Gecko Series 2 platform. The MG22 family offers an optimized Zigbee SoC solutions incorporating a high-performance, low-power 76.8 MHz Arm® Cortex®-M33 core with TrustZone. The MG22 SoCs’ combination of ultra-low transmit and receive power (8.2 mA TX at +6 dBm, 3.9 mA RX), 1.4 µA deep-sleep mode power and low-power peripherals delivers an industry-leading, energy-efficient solution for applications using the Zigbee protocol including Green Power. IoT applications include smart home sensors, lighting controls, and building and industrial automation.

Key Specs
Building automation, lighting controls and sensors
Ideal for Zigbee Green Power devices
EFR32MG24 Series 2 Multiprotocol Wireless SoC
A Matter-enabled 2.4 GHz SoC with low power, high performance, and long-range for battery-powered home sensors. Integrated AI/ML accelerator and the highest security certification (PSA Level 3).
EFR32MG24 Series 2 Multiprotocol Wireless SoC

The EFR32MG24 Wireless SoCs are ideal for mesh IoT wireless connectivity using Matter, OpenThread and Zigbee protocols for smart home, lighting, and building automation products. With key features like high performance 2.4 GHz RF, low current consumption, an AI/ML hardware accelerator and Secure Vault™, IoT device makers can create the smart, robust, and energy-efficient products that are secure from remote and local cyber-attacks. An ARM Cortex®-M33 running up to 78 MHz and up to 1.5 MB of Flash and 256 kB of RAM  provides resources for demanding applications while leaving room for future growth. Target applications include gateways and hubs, sensors, switches, door locks, LED lighting, luminaires, location services, predictive maintenance, glass break detection, wake-word detection, and more.

Key Specs
Ideal applications
Smart Home, Lighting and Building Automation
Highest level of IoT Security
Secure Vault™
EFR32ZG28 SoCs
Sub-GHz with Bluetooth LE SoC with a 1.5-mile range, ultra-low power, AI/ML, high memory, and GPIO for smart sensors. Secure Vault™ with the highest security certification (PSA Level 3).
EFR32ZG28 SoCs

The EFR32ZG28 SoC is an ideal dual band Sub-GHz + 2.4 GHz BLE SoC solution for “Internet of Things”. The ZG28 is an ideal platform for Z-Wave applications that require more Flash, RAM and GPIO than the ZG23 device. The ZG28 is pin compatible with the ZG23 in the 6x6 QFN48 package. Z-Wave addresses applications for smart homes, security, lighting, and hospitality. The ZG28 can also support other protocols including Wi-SUN, Amazon Sidewalk, and Wireless M-BUS.

The single die, multi-core solution, provides industry leading security, low power consumption with fast wakeup times, and integrated power amplifiers to enable the next level of secure connectivity for IoT devices. The Large memory footprint and the integration of AI/ML hardware accelerator is ideal for Smart End Nodes.

Key Specs
Ideal for
Smart home, hospitality, MDU & smart cities
Highest level of IoT security
Secure Vault™
ZGM230S Modules
Sub-GHz Module with antenna design and worldwide RF Certifications. A 1.5-mile range and ultra-low power for up to 10-year coin cell battery life for home sensors. PSA Level 3 security certification.
ZGM230S Modules

The ZGM230S is a system-in-package (SiP) module for Z-Wave connectivity and networking built for the performance, security, and energy demands of the Smart Home. Based on the EFR32ZG23 SoC, it delivers robust RF performance, long-range, industry leading security features, low-current consumption, a rich set of MCU peripherals, all in a 6.5 x 6.5 mm package. The ZGM230S is a complete solution supported by powerful and fully upgradeable software, advanced development and debugging tools, and documentation that will simplify and minimize the development cycle, certification process, and deployment of your end product, helping to accelerate its time-to-market significantly.

Key Specs
Ideal for
Smart home, security, lighting & building automation
Highest level of IoT security
Secure Vault™ High
EFR32BG27 Series 2 Bluetooth Low Energy SoC - EFR32BG27
Compact ultra-low-power SoC for Bluetooth LE and Bluetooth mesh on smart sensors. DCDC Boost down to 0.8 volts. Coulomb Counter for accurate battery level tracking. 16-bit ADC and ACMP.
EFR32BG27 Series 2 Bluetooth Low Energy SoC - EFR32BG27

The EFR32BG27 family of wireless SoCs opens up new possibilities by offering an ultra-small WLCSP package (2.3 mm x 2.6 mm) capable of running on button cell batteries. Now device makers can address applications with extremely small form-factor requirements without sacrificing performance and security. The BG27 Bluetooth SoC features an integrated DCDC boost that allows operation down to 0.8 volts, enabling support for single-cell alkaline and 1.5-volt button cell batteries that are typically used in medical applications for battery-operated patches and continuous glucose monitoring (CGM) devices. Additionally, the wakeup pin on the BG27 allows products in a warehouse or transit to remain off for months, consuming less than 20 nA, ensuring the battery remains fully charged for use. The integrated coulomb counter enables accurate battery level monitoring to avoid unexpected battery depletion for critical applications. Target applications include connected medical devices, wearables, sensors, switches, smart locks, and both commercial and LED lighting.

Key Specs
Supports Bluetooth 5.4, Bluetooth mesh & proprietary
Ideal for low-power battery-powered IoT devices
EFR32SG28 Dual-Band Wireless SoC for Amazon Sidewalk
FSK Sub-GHz with Bluetooth LE SoC with a 1-mile range, ultra-low power, high memory & GPIO for Amazon Sidewalk smart sensors. Secure Vault™ with the highest security certification (PSA Level 3).
EFR32SG28 Dual-Band Wireless SoC for Amazon Sidewalk

The EFR32SG28 is a secure, low power dual-band SoC for Amazon Sidewalk devices tat supports Bluetooth Low Energy and sub-GHz FSK, providing reliable connectivity in the home using Bluetooth LE and beyond the front door using sub-GHz FSK to cover detached buildings, pools, and spas. The multi-core device has efficient ARM Cortex®-M33 running up to 78 MHz and with 1024 kB of Flash and 256 kB of RAM. The low active and sleep currents make it ideal for battery operated end devices like sensors including door, window, and temperature sensors devices, while the link budget of 128.6 dBm provides long range and reliable communication. The dedicated security core supports our Secure Vault™ High, bringing industry leading IoT security to the device to protect wireless data and the device from both remote and local attacks.

Key Specs
1024 kB of Flash and 256 kB of RAM
Dual-band radio operation