Silicon Labs SLWSTK6243A
- Part No.:
- SLWSTK6243A
- Manufacturer:
- Silicon Labs
- Category:
- RF, RFID, Wireless Evaluation Boards
- Package:
- Datasheet:
-
SLWSTK6243A.pdf
- Description:
- DEV KIT WIRELESS EZR32HG 490MHZ
- Quantity:
- Payment:

- Shipping:

Inventory:4,720
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Product details
Overview
SLWSTK6243A from Silicon Labs is a complete wireless development platform comprising two Wireless Starter Kit Mainboards (BRD4001A) and two 490 MHz radio boards (BRD4545A), each integrating the EZR32HG320F64R63G microcontroller with 64 kB Flash, 8 kB RAM, and 20 dBm RF output power. It enables rapid prototyping of sub-GHz IoT applications including smart utility meters and industrial sensors.
For engineers reviewing the SLWSTK6243A datasheet, SLWSTK6243A pinout, SLWSTK6243A application, or SLWSTK6243A equivalent, this kit delivers integrated J-Link debugging, Advanced Energy Monitor (AEM) for real-time current profiling, Packet Trace Interface (PTI) for RF packet analysis, and dual connectivity via USB and Ethernet - all critical for low-power wireless firmware validation and system-level power optimization.
Technical Context
The SLWSTK6243A combines a BRD4001A mainboard and BRD4545A radio board to form a fully functional evaluation system for the EZR32HG320F64R63G SoC operating at 490 MHz. The mainboard provides on-board J-Link debugger with SWD, PTI, and Virtual COM port, while the radio board implements a matched RF network delivering 20 dBm output with SMA antenna interface.
Power architecture supports three modes: AEM (for precision energy profiling), USB (for bus-powered device emulation), and BAT (for CR2032 coin-cell operation). Peripherals include Si7021 temperature/humidity sensor, 128×128 memory LCD, user LEDs/buttons, and 20-pin EXP header with pre-mapped SPI/UART/I²C interfaces - all accessible via breakout pads routed from the EZR32's GPIOs.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Kit Composition | 2× BRD4001A mainboards + 2× BRD4545A 490 MHz radio boards |
| Core MCU | EZR32HG320F64R63G: ARM Cortex-M0+, 64 kB Flash, 8 kB RAM |
| RF Output Power | 20 dBm at 490 MHz - enables extended range in sub-GHz ISM band |
| Debug Interface | SEGGER J-Link onboard with SWD, PTI, and Virtual COM port over USB/Ethernet |
| Energy Monitoring | Advanced Energy Monitor (AEM) with high-speed current/voltage sampling for ultra-low-power profiling |
| Connectivity | USB Micro-B (radio board), USB Mini-B & RJ-45 Ethernet (mainboard), SMA RF connector (490 MHz) |
| Peripherals | Si7021 RH/T sensor, 128×128 memory LCD, dual pushbuttons, dual LEDs, 20-pin EXP header |
Availability
SLWSTK6243A is available at Aetrix Electronics and suitable for wireless sensor node development, sub-GHz IoT gateway validation, and low-power embedded firmware testing requiring stable component supply and full toolchain integration.
Supply support for SLWSTK6243A includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Silicon Labs is a fabless semiconductor company specializing in secure, energy-efficient wireless and mixed-signal ICs for IoT, industrial, and consumer applications.
The SLWSTK6243A belongs to Silicon Labs' Wireless Starter Kit product line, designed to accelerate development of sub-GHz wireless applications using the EZR32 Happy Gecko family - emphasizing ultra-low-power operation, integrated RF, and comprehensive debug visibility.
FAQ
What is the SLWSTK6243A used for?
The SLWSTK6243A is a complete wireless development kit for evaluating and prototyping applications based on the EZR32HG320F64R63G microcontroller at 490 MHz. It supports firmware development, RF performance testing, ultra-low-power optimization using the Advanced Energy Monitor, and protocol stack validation - especially for smart metering, building automation, and industrial telemetry systems where sub-GHz range and battery life are critical. SLWSTK6243A integrates hardware, debug tools, and software (Simplicity Studio) into one validated platform.
Does the SLWSTK6243A include a debugger?
Yes, the SLWSTK6243A includes an on-board SEGGER J-Link debugger on the BRD4001A mainboard, supporting SWD programming and debugging of the EZR32HG320F64R63G on the BRD4545A radio board. It also provides Packet Trace Interface (PTI) for real-time RF packet analysis and a Virtual COM port for serial communication - all accessible via USB or Ethernet. SLWSTK6243A enables full debug visibility without external tools.
What RF frequency and output power does the SLWSTK6243A support?
The SLWSTK6243A uses the BRD4545A radio board tuned specifically for the 490 MHz ISM band with a measured output power of 20 dBm. This configuration is optimized for long-range, low-interference sub-GHz communication in regions where 490 MHz is allocated for industrial, scientific, and medical (ISM) use. SLWSTK6243A does not support other bands or higher/lower output levels - its RF design is fixed to this 490 MHz / 20 dBm specification.
Can the SLWSTK6243A be used with external target hardware?
Yes, the SLWSTK6243A supports external target debugging via its Simplicity Connector and Debug Connector. When configured in "Debug OUT" mode, the on-board J-Link can program and debug external EZR32 or compatible devices. The Simplicity Connector provides VCOM, PTI, and AEM-monitored VMCU rails - enabling energy-aware development beyond the included radio board. SLWSTK6243A functions as both a reference platform and a production-grade debug host.
Is the SLWSTK6243A recommended for new designs?
No - per Silicon Labs documentation (UG193 Rev. 1.01), the SLWSTK6243A is marked "Not Recommended for New Designs." It remains fully functional and supported for legacy development, evaluation, and maintenance of existing EZR32HG-based products, but new projects should consider Silicon Labs' newer Wireless Gecko (EFR32) or Mighty Gecko platforms. SLWSTK6243A continues to ship and is available through Aetrix Electronics for continuity and repair scenarios.
SLWSTK6243A Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Silicon Labs
- Series:
- Happy Gecko
- Packaging:
- Box
- Product Status:
- Obsolete
- Type:
- Transceiver
- Frequency:
- 490MHz
- Contents:
- Board(s), Cable(s), Accessories
- Utilized IC / Part:
- EZR32HG
SLWSTK6243A FAQ
1.How can I place an order for SLWSTK6243A through Aetrix?
Please submit a Request for Quotation (RFQ) for SLWSTK6243A on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for SLWSTK6243A reliable?
The price and inventory of SLWSTK6243A are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SLWSTK6243A is usually 5 days.
3.What payment methods are accepted for SLWSTK6243A?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SLWSTK6243A transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SLWSTK6243A?
SLWSTK6243A orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SLWSTK6243A order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for SLWSTK6243A?
For technical support, including SLWSTK6243A datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SLWSTK6243A requirements.
6.How does Aetrix verify that SLWSTK6243A is sourced from the original manufacturer or authorized distributors?
All SLWSTK6243A products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that SLWSTK6243A meets industry standards.
7.What is the process for return or replacement of SLWSTK6243A?
All SLWSTK6243A units undergo pre-shipment inspection (PSI). If there is an issue with SLWSTK6243A, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The SLWSTK6243A part is unused and in its original packaging.
Return procedure for SLWSTK6243A:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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