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Long Range, Ultra-Low-Power Sub-GHz Wireless Solutions

The World’s First Secure Sub-GHz SoCs with 1+ Mile Wireless Range and 10+ Year Battery Life

Silicon Labs’ new sub-1-GHz (sub-GHz) SoCs, delivers the world’s first sub-GHz wireless solutions that combine long-range RF and energy efficiency with certified Arm PSA Level 3 security. Expanding the company’s award-winning Series 2 platform, EFR32FG23 (FG23) and EFR32ZG23 (ZG23) system-on-chip (SoC) solutions provide developers with flexible, multiprotocol sub-GHz connectivity options supporting a wide range of modulation schemes and advanced wireless technologies.

Enabling Amazon Sidewalk, mioty, Wireless M-Bus, Z-Wave and Proprietary IoT networks

EFR32FG23 Sub-GHz Wireless SoCs

FG23 targets Amazon Sidewalk, industrial IoT (IIoT), smart city, building and home automation markets that often require battery powered end nodes with extended wireless communication range capabilities.

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Z-Wave 800 Modem SoCs

ZG23 enhances Z-Wave Wireless by adding Secure Vault™ and offers the same industry-leading RF, power performance as FG23 and targets smart home, hotel and multi-dwelling unit (MDU) markets.

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Z-Wave 800 Series SiP Modules

Ultra-compact ZG23-based SiP modules (ZGM230S), supporting Z-Wave only, simplify development and speed-time-to-market.

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EFR32xG23 Pro Kit +14 dBm

The EFR32xG23 (xG23) Pro Kit is designed to support the development of Wireless IoT devices based on Sub-GHz wireless protocols for Proprietary, Connect, Sidewalk and WM-BUS.

EFR32xG23 Pro Kit +14 dBm

The EFR32xG23 (xG23) Pro Kit is designed to support the development of Wireless IoT devices based on Sub-GHz wireless protocols for Proprietary, Connect, Sidewalk and WM-BUS.
MSRP $202.00
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EFR32FG23 868-915 MHz +14 dBm Dev Kit

The EFR32FG23 development board is a compact, feature-packed development platform. It provides the fastest path to develop and prototype sub-GHz IoT products. The development platform includes support for the FG23’s onboard segment LCD controller as well as other key features including LESENSE and pulse counter.

EFR32FG23 868-915 MHz +14 dBm Dev Kit

The EFR32FG23 development board is a compact, feature-packed development platform. It provides the fastest path to develop and prototype sub-GHz IoT products. The development platform includes support for the FG23’s onboard segment LCD controller as well as other key features including LESENSE and pulse counter.
MSRP $88.00
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EFR32xG23 Pro Kit +20 dBm

The EFR32xG23 Pro Kit +20 dBm (xG23-PK6068A) includes a radio board that provides a complete reference design for the EFR32xG23 Wireless SoC, with the matching network for +20 dBm covering 868 to 915 MHz.

EFR32xG23 Pro Kit +20 dBm

The EFR32xG23 Pro Kit +20 dBm (xG23-PK6068A) includes a radio board that provides a complete reference design for the EFR32xG23 Wireless SoC, with the matching network for +20 dBm covering 868 to 915 MHz.
MSRP $203.00
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EFR32FG23 433 MHz +10 dBm Radio Board

The EFR32xG23 +10 dBm Radio Board is designed work with the WSTK main board (not included) to support the development of Wireless IoT devices based on Sub-GHz wireless protocols for Proprietary, Connect, Wi-SUN, Sidewalk, and WM-BUS.

EFR32FG23 433 MHz +10 dBm Radio Board

The EFR32xG23 +10 dBm Radio Board is designed work with the WSTK main board (not included) to support the development of Wireless IoT devices based on Sub-GHz wireless protocols for Proprietary, Connect, Wi-SUN, Sidewalk, and WM-BUS.
MSRP $56.00
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EFR32XG23 868-915 MHz +14 dBm Radio Board

The EFR32xG23 +14 dBm Radio Board is designed to work with the WSTK mainboard (not included) to support the development of Wireless IoT devices based on Sub-GHz wireless protocols. The kit includes a +14 dBm 868-915MHz radio board that provides a complete reference design for the EFR32xG23 Wireless SoC.

EFR32XG23 868-915 MHz +14 dBm Radio Board

The EFR32xG23 +14 dBm Radio Board is designed to work with the WSTK mainboard (not included) to support the development of Wireless IoT devices based on Sub-GHz wireless protocols. The kit includes a +14 dBm 868-915MHz radio board that provides a complete reference design for the EFR32xG23 Wireless SoC.
MSRP $58.00
Add to Cart
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EFR32XG23 868-915 MHz +20 dBm Radio Board

The EFR32xG23 +20 dBm Radio Board is designed to work with the WSTK mainboard (not included) to support the development of Wireless IoT devices based on Sub-GHz wireless protocols. The kit includes a +20 dBm 868-915 MHz radio board that provides a complete reference design for the EFR32xG23 Wireless SoC.

EFR32XG23 868-915 MHz +20 dBm Radio Board

The EFR32xG23 +20 dBm Radio Board is designed to work with the WSTK mainboard (not included) to support the development of Wireless IoT devices based on Sub-GHz wireless protocols. The kit includes a +20 dBm 868-915 MHz radio board that provides a complete reference design for the EFR32xG23 Wireless SoC.
MSRP $64.00
Add to Cart
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Works With 2025

Works With 2025

Where Innovation Meets Implementation

Works With, now in its 6th year, has become the premier IoT developer event, bringing together device manufacturers, wireless experts, engineers, and business leaders from around the world. With a carefully curated agenda designed to accelerate the advancement of IoT innovations for smart homes, smart cities, healthcare, as well as commercial and industrial environments, Works With is where the biggest names in our industry share and discover the latest trends and technologies that are making our lives safer, smarter, and more connected.

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