MSRP $533.00

EFR32xG21 Wireless Gecko Starter Kit

The EFR32xG21 Wireless Starter Kit supports Bluetooth, Zigbee, Thread, and Multiprotocol Zigbee/Bluetooth software stacks. Our software provides one-click access to design tools, documentation, software, and support resources for Wireless Modules and SoCs using Bluetooth. Get up and running quickly with precompiled demos, application notes, and examples. Use advanced tools including energy profiling and network analysis to optimize your wireless systems. If you want to evaluate the EFR32xG21B you must buy the xG21B radio board (SLWRB4181C +10 dBm) separately.

MSRP $533.00


Kit Contents

  • BRD4002A Wireless pro kit mainboard
  • 3 x Wireless starter kit mainboard
  • 3 x EFR32MG21 2.4 GHz +20 dBm radio board
  • 3 x EFR32MG21 2.4 GHz +10 dBm radio board
  • AA Battery Board (supports running +20 from batteries)
  • Cables
  • EFR32MG Getting Started Card

Kit Features

  • Included devices:
    • EFR32MG21A020F1024IM32 (+20 dBm radio board
    • EFR32MG21A010F1024IM32 (+10 dBm radio board)
  • Modular design supports different radio boards
  • Expansion header allows easy expansion
  • Integrated debug
  • Packet Trace support on both Ethernet and USB connections
  • Coin cell support
  • Supports AEM (Advanced Energy Monitor) for battery measurement and Energy Profiler

Simplicity Studio Features

  • Energy Profiler
  • Network Analyzer
  • AppBuilder

Use this development tool to start developing Matter solutions.

Step 1: Run the Pre-installed Range Test

The EFR32xG21 radio boards have the dynamic multiprotocol range test pre-installed. The test will work standalone between 2 radio boards, or will allow you to connect to a phone via BLE to configure and run the test between 2 radio boards.

Step 1: Download the Simplicity Connect App for iPhone from Apple App Store or for Android from the Google Play Store



Step 2: Install the Wireless Gecko radio board onto the WSTK main board and connect it to power via the included USB cable and power on the board.

Step 3: Open the Simplicity Connect mobile application and select the Range Test form the Demo view.

Step 4: The screen will show the devices as DMPxxxx. Press PB0 switch on the development board to show the device name. You can press PB0 again to toggle the back to the configuration screen.

Step 5: Select the Select the first device to connect and then select TX Mode. Scroll down to and select on the Repeat button and then press Start TX.

Step 6: Select "No Device" on the top right and then select the 2nd device to connect and select RX Mode. Select the Start RX. You will see the receive statistics on both the Range Test application and the development board. The test will stop after 1000 packets are received.


Step 2: Download and Install Simplicity Studio

Get up and running quickly with precompiled demos, application notes and examples. Use advanced tools including energy profiling and network analysis to optimize your wireless systems. Choose your software package below.

Step 3: Plug in Your Kit and Use Simplicity Studio to Install the desired SDKs

After plugging in your kit, launch Simplicity Studio and Open Package Manager in the left upper corner (downward arrow under the menu bar). Select the desired stacks and download them. Visit the package manager regularly for updates.

  • Micrium OS – Required for DMP application
  • Bluetooth SDK
  • Bluetooth Mesh ADK and SDK
  • EmberZNet SDK
  • Thread SDK
Radio Boards Select Columns
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Radio Boards Included Device Flash RAM Output Power (dBm) Bluetooth 5 Bluetooth Mesh Zigbee Thread Proprietary Sub-GHz Proprietary 2.4 GHz
1024 96 10
1024 96 20
1024 96 10.5

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