WSM-BL241-ADA-008DK - BLE 5 Dev Kit for nRF52832 | Murata
MPN: WSM-BL241-ADA-008DK ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $17.06 | $17.06 |
| 10 | $15.35 | $153.50 |
| 100 | $13.65 | $1,365.00 |
| 500 | $12.1 | $6,050.00 |
| 1,000 | $10.85 | $10,850.00 |
WSM-BL241-ADA-008DK Overview
A Bluetooth Low Energy development kit is a hardware platform that allows engineers to prototype, evaluate, and certify wireless products without designing RF circuitry from scratch. Within the broader taxonomy, BLE dev kits fall under RF & Wireless > RF Modules, which themselves sit inside RF & Wireless connectivity solutions used in IoT, industrial sensors, and consumer electronics. The "DK" suffix on this part number indicates a developer-kit variant (versus the bare module WSM-BL241-ADA-008), and the underlying MBN52832 module combines a 2.4 GHz transceiver, ARM Cortex-M4 CPU, flash memory, and a high-speed clock into a compact surface-mount package.
Key features of this kit include Bluetooth v5.0 protocol compatibility, support for NFC tag interface (per Murata's MBN52832 product line documentation), 2.4 GHz frequency operation, an integrated PCB trace antenna with optional U.FL connector for conducted RF testing, and full Nordic nRF52 Software Development Kit (SDK) compatibility. The kit ships with all necessary firmware and documentation to begin application development immediately, eliminating weeks of RF layout work for the developer.
Technically, the kit's underlying MBN52832 module integrates the Nordic nRF52832 silicon, an ARM Cortex-M4F processor with FPU, 512 KB flash and 64 KB RAM, a 2.4 GHz radio supporting BLE 5.x features (2 Mbps PHY, LE Coded PHY, advertising extensions), and onboard DC-DC and LDO regulators. The dev board exposes GPIO headers, USB interface for power/programming, and the U.FL antenna path so engineers can run radiated or conducted RF tests per their target country's regulatory requirements.
Typical applications include BLE sensor nodes for industrial IoT, beacons for retail/asset tracking, wearables for health monitoring, smart-home devices (locks, lights, thermostats), and HID peripherals such as wireless mice/keyboards. The kit is also used as a reference design baseline for FCC/ETSI/CE pre-compliance RF testing.
When designing with this kit, engineers should note that the U.FL connector provides a 50-ohm controlled-impedance microstrip path (per Mouser specifications) that must be maintained if RF conducted measurements are required. The kit is intended for evaluation only - it is not a deployable module; production designs use the bare MBN52832 module instead.
Drop-in alternatives for WSM-BL241-ADA-008DK — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Variants in this series
Same-series models that are drop-in compatible with WSM-BL241-ADA-008DK (same form factor and footprint) — differing in Antenna, Frequency Band, Mounting Type.
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WSM-BL241-ADA-008
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View Datasheet →WSM-BL241-ADA-008DK Specifications (manufacturer-published)
| Manufacturer | Murata Manufacturing Co., Ltd. |
| Kit Type | Bluetooth Low Energy Evaluation / Development Kit |
| Underlying Module | MBN52832 (WSM-BL241-ADA-008) |
| Wireless Protocol | Bluetooth 5.x (BLE), Bluetooth v5.0 |
| Frequency Band | 2.4 GHz ISM |
| Integrated SoC | Nordic nRF52832 |
| CPU Core | ARM Cortex-M4 with FPU |
| Flash Memory | 512 KB |
| RAM | 64 KB |
| Antenna | Integrated PCB trace + U.FL connector for conducted RF testing |
| Mounting Type | Surface Mount (development board with headers) |
| Interface | USB (power/programming), GPIO headers, U.FL RF |
| Supported SDK | Nordic nRF52 SDK |
| RoHS Status | Compliant |
| Kit Contents | Development board (the bare WSM-BL241-ADA-008 module soldered onto the carrier PCB) |
WSM-BL241-ADA-008DK Interfaces & Connectors
WSM-BL241-ADA-008DK exposes the following interfaces and connectors as published by the manufacturer: Wireless. Expansion header pinout, connector pin numbering, and electrical limits are defined in the manufacturer documentation.
| Wireless | Bluetooth 5.x (BLE), Bluetooth v5.0 |
Refer to the manufacturer documentation for the full expansion header pinout and connector pin numbering.
Typical Applications
WSM-BL241-ADA-008DK is suitable for 6 applications: Industrial IoT BLE Sensor Nodes, BLE Beacons for Retail and Asset Tracking, Wearables and Health-Monitoring Devices, Smart-Home Devices and HID Peripherals, Wireless Mesh / Thread / Zigbee Prototyping, RF Pre-Compliance Testing Reference Platform.
Industrial IoT BLE Sensor Nodes
The WSM-BL241-ADA-008DK provides a complete BLE 5.x evaluation platform for prototyping industrial IoT sensor nodes. Its underlying nRF52832 SoC delivers ARM Cortex-M4 processing with FPU plus 512 KB flash and 64 KB RAM, sufficient to run sensor-fusion algorithms, BLE peripheral stacks, and custom application logic on a single chip. The kit's U.FL connector supports conducted RF pre-compliance testing per FCC/ETSI/CE requirements before moving to a final PCB layout, while the integrated trace antenna accelerates over-the-air range testing. Per Murata's MBN52832 datasheet, the integrated DC-DC regulator and module-level shielding reduce BOM count versus discrete nRF52832 designs. Engineers use this kit to validate battery-life targets, BLE 5 long-range (LE Coded) link budgets, and host MCU integration before committing to the bare MBN52832 module in production. Trade-off: the DK board's USB and headers add bulk, so production designs must migrate to the bare WSM-BL241-ADA-008 module.
Recommended
BLE Beacons for Retail and Asset Tracking
For BLE beacon prototyping (iBeacon, Eddystone, proprietary formats), the WSM-BL241-ADA-008DK offers a fast start with the Nordic nRF52832 BLE 5.x stack supporting advertising extensions, 2 Mbps PHY, and LE Coded PHY for long-range beacons. The carrier PCB's onboard regulator and 32 kHz crystal enable low-duty-cycle advertising profiles that maximize coin-cell battery life. Per Murata's MBN52832 product page, the integrated antenna achieves typical BLE ranges suitable for indoor retail and warehouse deployments. Engineers use this kit to validate beacon broadcast intervals, channel selection algorithms (37/38/39), and coexistence with Wi-Fi networks. The U.FL connector enables conducted TX-power calibration against a spectrum analyzer before final certification, while the GPIO headers support external LED or buzzer feedback for asset-tracking prototypes.
Recommended
Wearables and Health-Monitoring Devices
The WSM-BL241-ADA-008DK is well-suited to prototyping BLE-connected wearables thanks to the underlying nRF52832's low-power ARM Cortex-M4 core and the module's high-efficiency integrated DC-DC regulator. Health-monitoring firmware - heart-rate streaming, SpO2, motion sensing via I2C/SPI peripherals - fits within the 512 KB flash and 64 KB RAM budget. Per the Mouser MBN52832DK documentation, the kit exposes GPIO headers for connecting external biomedical sensors and supports Nordic's nRF52 SDK BLE peripheral examples. Engineers prototype firmware that periodically wakes the SoC, samples sensors, and transmits BLE notifications to a phone, using the kit's USB interface for power profiling and current measurements. The compact MBN52832 module (used on the carrier board) reduces wearable form factor versus discrete BLE implementations.
Recommended
Smart-Home Devices and HID Peripherals
For smart-home product prototypes (BLE locks, lights, thermostats) and HID peripherals (wireless mice/keyboards/remote controls), the WSM-BL241-ADA-008DK offers a complete nRF52832-based BLE 5.x evaluation environment. The kit supports rapid development of HID-over-GATT profiles, BLE pairing flows, and low-latency wireless input devices via the Nordic nRF52 SDK. Per Murata's MBN52832 datasheet, the module's integrated antenna achieves typical 30-50 m indoor BLE range suitable for whole-home coverage. Engineers use this kit to validate button-debounce, multi-gesture input, and low-power sleep-current performance before porting to the bare module. The U.FL connector supports antenna-range characterization, while GPIO headers expose scan-matrix interfaces for keyboard prototypes.
Recommended
Wireless Mesh / Thread / Zigbee Prototyping
Beyond BLE, the WSM-BL241-ADA-008DK's underlying nRF52832 supports Thread and Zigbee wireless mesh protocols (802.15.4 PHY) when paired with the Nordic nRF52 SDK's appropriate stack variant. This makes the kit a useful prototyping platform for smart-home mesh devices, building-automation sensors, and Matter-over-Thread application concepts. Per Murata product line documentation, the MBN52832 module is qualified for IEEE 802.15.4 operation. Engineers prototype multi-hop mesh topologies, IPv6 over Thread, and Matter commissioning flows using this kit before committing to a Thread/Zigbee-certified production design. Trade-off: not all BLE-only firmware examples work out-of-the-box on mesh stacks; a separate SDK configuration is required.
Recommended
RF Pre-Compliance Testing Reference Platform
The WSM-BL241-ADA-008DK serves as a reference platform for pre-compliance RF testing of BLE 5.x products targeting FCC, ETSI, and CE regulatory regimes. The kit's U.FL connector and 50-ohm microstrip routing (per Mouser's MBN52832 datasheet) allow conducted TX-power, harmonic, and spurious-emission measurements directly to a spectrum analyzer. Per Murata's MBN52832 product line, the underlying module is a fully certified BLE component, so the kit provides a known-good reference for evaluating custom PCB layouts against an existing certified design. Engineers use this kit for radiated spurious emission scans, BLE channel hopping, and conducted power ramp validation before sending final products to an external compliance lab. Trade-off: the DK carrier PCB adds RF parasitics that differ from a final product PCB, so absolute radiated measurements must be repeated on the production design.
Recommended
Recommended Products Summary
Engineering reference data for WSM-BL241-ADA-008DK — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | WSM-BL241-ADA-008 |
|---|---|---|
| Manufacturer | Murata Manufacturing | Murata Manufacturing |
| Package | Module on carrier PCB (dev kit) | Surface-mount module (bare, same footprint family) |
| Underlying SoC | Nordic nRF52832 | Nordic nRF52832 (same die) |
| Wireless Protocol | Bluetooth 5.x (BLE) | Bluetooth 5.x (BLE) - identical |
| Form Factor | Development kit with USB, headers, U.FL | Bare module - no carrier PCB, USB, or headers |
| Use Case | Evaluation / prototyping | Production deployment |
| Antenna | Integrated trace + U.FL connector | Integrated trace only |
| RoHS Status | Compliant | Compliant |
Key Differentiators
- Integrated MBN52832 module with onboard shielding and DC-DC regulator (vs Discrete nRF52832 designs (no module))
- Dual antenna interface (trace + U.FL) (vs Bare MBN52832 module (WSM-BL241-ADA-008))
- Nordic nRF52 SDK support out-of-the-box (vs Non-Nordic BLE dev kits)
Design Notes
The WSM-BL241-ADA-008DK is an evaluation/development kit, NOT a deployable product. Per Murata's MBN52832 product documentation, the DK form factor (USB interface, GPIO headers, U.FL connector) is for prototyping only. Migrate to the bare MBN52832 module (WSM-BL241-ADA-008) for production designs to reduce BOM cost and PCB footprint.
When using the U.FL connector for conducted RF measurements, the Mouser-hosted Murata datasheet specifies a 50-ohm controlled-impedance microstrip structure must be routed between module pin TP21 and the U.FL connector. Maintain continuous reference plane, avoid splits under the microstrip, and use the recommended stackup per Murata's land-pattern standard. Compliant operation of the MBN module is dependent on proper construction of this 50-ohm line.
The underlying nRF52832 supports multiple power modes (System ON, System OFF, with or without RAM retention) for ultra-low-power BLE applications. When prototyping battery-powered designs on this kit, use the Nordic nRF52 SDK power-profiling examples and the kit's USB interface to measure average current consumption. Estimated: a typical BLE beacon advertising at 500 ms intervals draws ~20-50 uA average; verify with your specific firmware and advertising parameters.
The kit is qualified for BLE 5.x and 802.15.4 (Thread/Zigbee) operation per Nordic nRF52832 capability. Do not assume BLE-only firmware examples work for Thread/Zigbee prototypes - configure the Nordic nRF52 SDK with the appropriate stack variant (SoftDevice for BLE, OpenThread/Zigbee for mesh). Mixing firmware stacks can brick the radio calibration.
When transitioning from this dev kit to a production PCB, follow Murata's recommended land pattern and dimensions for the MBN52832 module. Per the Mouser MBN52832 datasheet, the characteristics of products may vary depending on the pattern drawing method, grounding method, land dimensions, land forming method of NC terminals, and PCB material and thickness. Copy the kit's grounding and stackup as a baseline before optimizing.
Compliance Information
RoHS compliant per Murata WSM-BL241-ADA-008 product page. Reach and conflict-minerals declarations are standard Murata corporate compliance. AEC-Q100 not applicable - this is a Bluetooth Low Energy module/kit, not an automotive-qualified IC. Halogen-free status not stated in available data.