Silicon Labs SLWRB4170A
- Part No.:
- SLWRB4170A
- Manufacturer:
- Silicon Labs
- Category:
- RF, RFID, Wireless Evaluation Boards
- Package:
- Datasheet:
-
SLWRB4170A.pdf
- Description:
- DUAL BAND RADIO BOARD
- Quantity:
- Payment:

- Shipping:

Inventory:272
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Product details
Overview
SLWRB4170A from Silicon Labs is a plug-in radio board for EFR32MG12-based wireless development, featuring dual-band 2.4 GHz and 868–915 MHz RF operation, 19 dBm output power, an inverted-F PCB antenna for 2.4 GHz, and SMA connector support for sub-GHz bands. It serves as a complete reference design for Wi-SUN, Smart Utility, and LPWAN applications requiring certified, production-ready RF layout validation.
For engineers reviewing the SLWRB4170A datasheet, SLWRB4170A pinout, SLWRB4170A application, or SLWRB4170A equivalent, this board enables rapid prototyping of EFR32MG12P433F1024GM68-based systems with integrated J-Link debugging, Advanced Energy Monitor (AEM), Packet Trace Interface (PTI), and Virtual COM port - all accessible via BRD4001A or BRD4002A mainboards.
Technical Context
The SLWRB4170A implements the EFR32MG12P433F1024GM68 Wireless SoC with 1024 kB Flash and 256 kB RAM, supporting concurrent 2.4 GHz IEEE 802.15.4/Zigbee and sub-GHz (868/915 MHz) proprietary or Wi-SUN PHY layers. Its RF front-end includes a wide-band matching network and dual-path antenna interface: inverted-F PCB antenna for 2.4 GHz and SMA connector with external dipole antennas for 868–915 MHz operation.
It integrates 8 Mbit low-power serial flash (MX25R) for OTA firmware updates and interfaces directly to mainboard peripherals including Si7021 temperature/humidity sensor, memory LCD, user LEDs/buttons, and EXP header GPIOs. All debug and energy profiling functions are routed through the mainboard's on-board J-Link, AEM, and PTI subsystems.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core SoC | EF R32MG12P433F1024GM68: ARM Cortex-M4, 1024 kB Flash, 256 kB RAM |
| RF Bands | Dual-band: 2.400–2.4835 GHz + 868–870 MHz / 902–928 MHz |
| Output Power | 19 dBm maximum at PA output, enabling >1 km outdoor range in sub-GHz bands |
| Antenna Interface | Inverted-F PCB antenna (2.4 GHz); SMA connector with 50 Ω impedance (868–915 MHz) |
| On-board Memory | 8 Mbit MX25R serial flash for secure over-the-air (OTA) firmware upgrades |
| Mainboard Compatibility | Plugs into BRD4001A (Wireless Starter Kit) or BRD4002A (Wireless Pro Kit) mainboards |
Availability
SLWRB4170A is available at Aetrix Electronics and suitable for Wi-SUN field area networks, smart metering gateways, industrial LPWAN sensors, and utility infrastructure projects requiring stable component supply, long-lifecycle support, and pre-certified RF reference designs.
Supply support for SLWRB4170A 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 SoCs and development tools for IoT, industrial, and smart infrastructure markets.
The SLWRB4170A belongs to Silicon Labs' Wireless Gecko Starter Kit ecosystem, designed specifically to accelerate evaluation and certification of EFR32-based sub-GHz and 2.4 GHz wireless applications in utility, building automation, and sensor network deployments.
FAQ
What is the SLWRB4170A used for?
The SLWRB4170A is a radio board used to evaluate and develop applications based on the EFR32MG12P433F1024GM68 Wireless SoC. It provides a production-grade RF layout, dual-band operation (2.4 GHz and 868–915 MHz), and full debug integration with BRD4001A or BRD4002A mainboards. Engineers use the SLWRB4170A to prototype Wi-SUN, Smart Utility, and LPWAN solutions before moving to custom hardware.
Does the SLWRB4170A include a debugger?
No, the SLWRB4170A itself does not contain an on-board debugger. It relies entirely on the J-Link debugger embedded in the BRD4001A or BRD4002A mainboard it plugs into. The SLWRB4170A connects via standardized edge connectors to access debug signals (SWD, PTI, VCOM), AEM current monitoring, and trace functionality - all managed by the mainboard's board controller.
Which frequency bands does the SLWRB4170A support?
The SLWRB4170A supports three distinct RF configurations: 2.4 GHz band using its integrated inverted-F PCB antenna, and 868 MHz or 915 MHz bands using external dipole antennas connected via its SMA connector. The EFR32MG12 SoC on the SLWRB4170A is factory-configured for simultaneous dual-band capability, with matching networks optimized per band.
Can the SLWRB4170A be used standalone without a mainboard?
No - the SLWRB4170A is not a standalone device. It is a plug-in radio board that requires either the BRD4001A Wireless Starter Kit Mainboard or BRD4002A Wireless Pro Kit Mainboard to provide power, USB/Ethernet connectivity, J-Link debugging, AEM, PTI, and peripheral interfaces. Without a compatible mainboard, the SLWRB4170A has no power regulation, debug interface, or host communication capability.
What software tools support the SLWRB4170A?
The SLWRB4170A is fully supported by Silicon Labs Simplicity Studio v5+, including Energy Profiler for real-time current measurement, Network Analyzer for packet-level RF diagnostics, and the Wireless Development Suite for Zigbee, Thread, and Wi-SUN stack configuration. Firmware examples, SDKs, and hardware abstraction layers for the SLWRB4170A are delivered through Simplicity Studio's integrated package manager.
SLWRB4170A Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Silicon Labs
- Series:
- Mighty Gecko
- Packaging:
- Bulk
- Product Status:
- Active
- Type:
- Transceiver
- Frequency:
- 868MHz, 915MHz, 2.4GHz
- Contents:
- Board(s)
- Utilized IC / Part:
- EFR32MG12
SLWRB4170A FAQ
1.How can I place an order for SLWRB4170A through Aetrix?
Please submit a Request for Quotation (RFQ) for SLWRB4170A 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 SLWRB4170A reliable?
The price and inventory of SLWRB4170A are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SLWRB4170A is usually 5 days.
3.What payment methods are accepted for SLWRB4170A?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SLWRB4170A transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SLWRB4170A?
SLWRB4170A orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SLWRB4170A 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 SLWRB4170A?
For technical support, including SLWRB4170A datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SLWRB4170A requirements.
6.How does Aetrix verify that SLWRB4170A is sourced from the original manufacturer or authorized distributors?
All SLWRB4170A 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 SLWRB4170A meets industry standards.
7.What is the process for return or replacement of SLWRB4170A?
All SLWRB4170A units undergo pre-shipment inspection (PSI). If there is an issue with SLWRB4170A, 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 SLWRB4170A part is unused and in its original packaging.
Return procedure for SLWRB4170A:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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