Send an Inquiry

To receive a quote for your project, please fill in the following information, and we’ll get back to you promptly.

Submit Inventory List

Please fill in the following information, and we’ll get back to you promptly.

Home > Products > Development Boards, Kits, Programmers > Evaluation Boards > RF, RFID, Wireless Evaluation Boards

NXP Semiconductors FRDM-KW41Z

Name: FRDM-KW41Z
Brand: NXP Semiconductors
SKU: FRDM-KW41Z
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

Compare

Part No.:: FRDM-KW41Z

Manufacturer:: NXP Semiconductors

Category:: RF, RFID, Wireless Evaluation Boards

Package:

Datasheet:: FRDM-KW41Z.pdf

Description:: FREEDOM DEV KIT

Quantity:: RFQ Add To RFQ list

Payment:

Shipping:

Inventory:1,932

Please send an inquiry. Send us your inquiry, and we will respond immediately.

Product details

Overview

FRDM-KW41Z from NXP is a Freedom development board for Kinetis® KW41Z MCUs, enabling rapid prototyping of multi-protocol wireless applications using Bluetooth® Low Energy v4.2, IEEE 802.15.4, and Generic FSK (250/500/1000 kbit/s). It integrates on-board debug circuitry, USB interface, RGB LED, accelerometer, and expansion headers - all supporting concurrent protocol operation in home automation, building control, and patient monitoring systems.

For engineers reviewing the FRDM-KW41Z datasheet, FRDM-KW41Z pinout, FRDM-KW41Z application, or FRDM-KW41Z equivalent, this board delivers validated hardware reference design, pre-integrated protocol stacks (BLE host, Thread®, 802.15.4 MAC), MCUXpresso SDK compatibility, and full support for FreeRTOS™ and IAR Embedded Workbench® - accelerating time-to-proof-of-concept in low-power wireless edge nodes.

Technical Context

The FRDM-KW41Z implements a complete evaluation platform for the MKW41Z512VHT4 MCU - an ARM Cortex-M0+ core running at 48 MHz with integrated 2.4 GHz transceiver supporting BLE v4.2, IEEE 802.15.4, and Generic FSK modulation. Its RF subsystem includes balun, DC-DC converter (0.9–4.2 V operation), and antenna diversity support.

Hardware features include OpenSDA debug interface (CMSIS-DAP), onboard MMA8451Q accelerometer, RGB LED, micro-B USB port, and dual 40-pin expansion headers compatible with Arduino R3 and MikroElektronika Click boards. All firmware and drivers are fully integrated into NXP's MCUXpresso SDK.

Key Specifications

Parameter	Value and Actual Design Meaning
Target MCU	MKW41Z512VHT4: 48 MHz Cortex-M0+, 512 KB Flash / 128 KB SRAM
Wireless Protocols	Concurrent BLE v4.2 + IEEE 802.15.4 + Generic FSK (250/500/1000 kbit/s)
RF Performance	−95 dBm BLE sensitivity; −100 dBm 802.15.4 sensitivity; +3.5 dBm max output power
Power Management	Integrated buck-boost DC-DC converter supports 0.9–4.2 V supply; 6.8 mA Rx / 6.1 mA Tx typical current
On-Board Peripherals	MMA8451Q 3-axis accelerometer, RGB LED, OpenSDA CMSIS-DAP debugger, micro-B USB
Expansion Interface	Dual 40-pin headers: Arduino R3 footprint + MikroElektronika Click compatibility

Availability

FRDM-KW41Z is available at Aetrix Electronics and suitable for home automation gateways, smart building controllers, wearable health monitors, and industrial sensor node development requiring stable component supply and full-stack wireless validation.

Supply support for FRDM-KW41Z 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

NXP Semiconductors is a global semiconductor company headquartered in Eindhoven, Netherlands, specializing in secure connectivity solutions for automotive, industrial, IoT, and mobile applications.

The FRDM-KW41Z belongs to NXP's Kinetis Freedom development platform family, designed specifically to accelerate prototyping and software validation for ultra-low-power, multi-protocol wireless MCUs targeting Thread, BLE, and Zigbee-adjacent 802.15.4 networks.

FAQ

What is the primary function of the FRDM-KW41Z development board?

The FRDM-KW41Z is a fully integrated evaluation platform for the MKW41Z512VHT4 wireless MCU. It enables rapid development and testing of concurrent BLE v4.2, IEEE 802.15.4, and Generic FSK applications. The FRDM-KW41Z includes on-board debugging, sensors, LEDs, and expansion interfaces - eliminating the need for external tooling during early-stage firmware validation and protocol stack integration.

Does the FRDM-KW41Z support Thread network stack out of the box?

Yes, the FRDM-KW41Z is validated with NXP's MCUXpresso SDK, which includes full Thread® network stack implementation alongside BLE host stack, 802.15.4 MAC, and Simple MAC (SMAC) software. The FRDM-KW41Z hardware provides the required RF performance and memory resources (512 KB Flash / 128 KB SRAM) to run Thread end-device or border router reference designs without modification.

Can the FRDM-KW41Z be used with IAR Embedded Workbench® and MCUXpresso IDE?

Yes, the FRDM-KW41Z is officially supported by both IAR Embedded Workbench® and NXP's MCUXpresso IDE. Project templates, driver libraries, and protocol stack examples for the FRDM-KW41Z are included in the MCUXpresso SDK. Debugging is enabled via the onboard OpenSDA (CMSIS-DAP) interface, requiring no additional JTAG probe for basic development and testing workflows.

What wireless frequency band does the FRDM-KW41Z operate in?

The FRDM-KW41Z operates exclusively in the 2.4 GHz ISM band, matching the integrated MKW41Z512VHT4 transceiver's capability. It supports BLE v4.2, IEEE 802.15.4 (including Thread), and Generic FSK modulation schemes within this band - with no sub-GHz or dual-band capability. The FRDM-KW41Z uses a single onboard PCB antenna optimized for 2.4 GHz operation.

Is the FRDM-KW41Z compatible with Arduino shields and MikroElektronika Click boards?

Yes, the FRDM-KW41Z features dual 40-pin expansion headers with Arduino R3 mechanical and signal pinout compatibility, plus MikroElektronika Click board™ interface support. This allows direct connection of standard Arduino shields and Click modules - enabling rapid peripheral integration (e.g., environmental sensors, displays, or motor drivers) without custom adapter design. The FRDM-KW41Z firmware abstraction layer simplifies driver porting across these interfaces.

FRDM-KW41Z Specifications

Product attributes: Attribute value

Manufacturer:: NXP Semiconductors

Series:: Kinetis

Packaging:: Bulk

Product Status:: Active

Type:: Transceiver; Bluetooth® Smart 4.x Low Energy (BLE)

Frequency:: 2.4GHz

Contents:: Board(s)

Utilized IC / Part:: KW41Z

FRDM-KW41Z FAQ

1.How can I place an order for FRDM-KW41Z through Aetrix?

Please submit a Request for Quotation (RFQ) for FRDM-KW41Z 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 FRDM-KW41Z reliable?

The price and inventory of FRDM-KW41Z are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for FRDM-KW41Z is usually 5 days.

3.What payment methods are accepted for FRDM-KW41Z?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for FRDM-KW41Z transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for FRDM-KW41Z?

FRDM-KW41Z orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your FRDM-KW41Z 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 FRDM-KW41Z?

For technical support, including FRDM-KW41Z datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your FRDM-KW41Z requirements.

6.How does Aetrix verify that FRDM-KW41Z is sourced from the original manufacturer or authorized distributors?

All FRDM-KW41Z 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 FRDM-KW41Z meets industry standards.

7.What is the process for return or replacement of FRDM-KW41Z?

All FRDM-KW41Z units undergo pre-shipment inspection (PSI). If there is an issue with FRDM-KW41Z, 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 FRDM-KW41Z part is unused and in its original packaging.

Return procedure for FRDM-KW41Z:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

Tech Hub

2026-09-03 Logic Level Shifter: How to Connect 3.3V and 5V Logic Safely

A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.

2026-09-03 74HC595 vs TPIC6B595: Output Drive, Pinout, Current, and Load Selection

The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…

2026-09-01 74HC595 Pinout, Timing, Output Current, and Applications

The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…

2026-09-01 Latch vs Flip-Flop: Timing, Differences and Design Choices

A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…

2026-08-30 D Latch Circuit: Truth Table, Timing, ICs and Applications

A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …

2026-08-28 SR Latch Explained: NOR and NAND Circuits, Truth Tables, and Applications

An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…

2026-08-27 Latch Circuit: SR and D Latches, Truth Tables, Timing, and Applications

Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…

2026-08-21 What Is an LED Driver? Types, Circuits, Dimming, and Selection

An engineering guide to LED driver operation, constant-current and constant-voltage outputs, linear and switching topologies, dimming, IC selection, calculations, replacement compatibility, and fault c…

2026-08-18 Operational Amplifier (Op Amp): Basics, Configurations, Feedback and Applications

Operational amplifier guide covering op amp basics, feedback, ideal vs real op amps, common configurations, buffer circuits, offset, bias current, gain-bandwidth, slew rate, rail-to-rail limits and sel…

2026-08-14 Jumper Cables: How to Use, Connect and Choose Them Safely

Jumper cables guide covering safe connection order, red and black clamp placement, final ground connection, cable gauge, length, clamp quality, copper vs CCA cables, jump starter comparison and battery…