MSRP $49.00

EFR32xG21B Wireless Gecko 2.4 GHz +10 dBm Radio Board with Secure Vault

The Wireless Gecko SLWRB4181C wireless radio board plugs into the Main Board provided with the Wireless Gecko Starter Kit. The starter kit includes access to Zigbee® and Thread software stacks. The modular design supports different radio boards, enabling developers to develop Zigbee, Thread and proprietary wireless applications with the highest level of IoT security provided by Secure Vault. With the supporting Simplicity Studio 5 suite of tools, developers can take advantage of graphical wireless application development; mesh networking debug and packet trace; and visual energy profiling and optimization.

This radio board cannot be used stand-alone and requires a wireless mainboard which can be purchased separately.

MSRP $49.00

SLWRB4181C Radio Board Select Columns
Select Columns
Included Device Flash RAM Output Power (dBm) BLE Bluetooth 5 Bluetooth Mesh Zigbee Thread Proprietary Sub-GHz Proprietary 2.4 GHz
1024 96 10.5

Sort A -> Z
Sort Z -> A

Filter by values...


Kit Contents

  • 1 x BRD4181C EFR32xG21B 2.4 GHz 10 dBm Radio Board
Featured Kits
Kit Description
The wireless mainboard contains sensors and peripherals for easy demonstration of Silicon Labs wireless products. This provides the necessary tools for developing high-volume, battery-powered IoT products.
The EFR32xG21 Bluetooth Starter Kit supports Bluetooth 5.1 and comes ready to connect to your phone via the Silicon Labs Bluetooth LE mobile app. This Kit comes with an EFR32xG21A with Secure Element 2.4 GHz wireless SOC is optimized for line-powered BLE and Bluetooth mesh applications, including connected lighting, smart plugs, gateways, and voice assistants. Optionally, if you want to evaluate the EFR32xG21B with Secure Vault, you can purchase an xG21B module (SLWRB4181C +10 dBm) separately.

Knowledge Base Articles

Browse our knowledge base articles for information about specific products.

User Forums

Browse technical questions, share your ideas, and learn more about our latest solutions.

Questions? You're in the Right Place.

Silicon Labs has an active, knowledgeable user community of engineers and developers that are enthusiastic about solving problems.

Loading Results