Murata BT v5.0 Module – WSM-BL241-ADA-008


The latest MBN52832 device consists of Nordic Semiconductor’s nRF52832 IC, a 32 MHz crystal for timing, and an on-board antenna.  Additionally, it contains pins for an off-board omni-directional antenna and a NFC antenna.  The module provides a Serial Port Interface (SPI) and UART interface to Nordic’s nRF52832 ARM Cortex M4 processor.

The WSM-BL241-ADA-008 module provides BLE connectivity between tablets, cell phones, cloud services, and other proprietary functions.  Further, Nordic Semiconductor’s software developer’s kit enables developers to create and run edge device applications that can monitor and capture diagnostic information for preventive maintenance.  These features can be combined in apps for both iOS and Android devices that run BT v5.0.

With this functionality and small footprint, it is ideally suited for OEMs wanting to develop Internet of Things (IoT) devices.  Target markets include Industrial IoT, energy, and home and office automation applications.  Specific end products include asset tracking devices, medical insulin pumps, white goods, and other consumer goods that require connectivity.



  • Bluetooth® v5
  • Higher throughput
  • Increased broadcast capacity
  • Improved channel co-existence algorithm (SCA)
  • ANT, NFC Tag
  • Nordic nRF52832 Bluetooth Smart®
  • Built-in ARM Cortex M4 core with 64KB RAM and 512KB flash
  • Dimension 7.4 x 7.0 x 0.9mm
  • Packaging: LGA
  • Bluetooth/ANT Antenna Configuration:
  • On-board PCB antenna
  • Supports external antenna from pin pad
  • Maximum transmit power: +4dBm @ antenna port (LDO Mode)
  • Receive sensitivity: -93dBm@ 1Mbps(LDO Mode)
  • Power consumption
  • TX 7mA @ 3.5dBm (DCDC Mode)
  • RX 6mA (DCDC Mode)
  • Host interface: UART, SPI
  • Other interfaces: 20 GPIO, 5 ADC, UART,SPI (master and slave), I2C, PW M and Debug SWD
  • Operating temperature range: -40 ºC to 85 ºC
  • RoHS compliant
  • MSL Level 3in accordance with JEDEC J-STD-020
  • Regulatory certificates: FCC, IC, ETSI (plan)


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