BL653u Bluetooth 5.1 + 802.15.4 + NFC

  • Interfaces
  • BT Class
  • Other wireless
  • Operation Temperature
  • Stack on Board
  • Antenna
  • BLE connection
  • Bluetooth mode
  • Certification
  • Chipset

SG$ 9.03 SG$ 9.03 9.0317 SGD

US$ 6.75

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Bluetooth v5.1 Module with NFC by small form factor

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Laird Connectivity

Laird Connectivity simplifies the rapid integration of wireless technologies with market-leading wireless modules and antennas, integrated sensor and gateway platforms, and customer-specific wireless solutions. Our best-in-class support and comprehensive engineering services help reduce risk and improve time-to-market.



Laird Connectivity’s latest range of Nordic nRF52833 based modules specifically targets OEMs where space is constrained in their designs. Yet still the miniaturized BL653μ series enables Industrial OEMs to robustly implement longer-range Bluetooth LE applications in the harshest operating environments. This series of secure, low-power microcontroller modules with multi wireless capabilities is the future of wireless Internet of Things (IoT) connectivity, as small as 6.3 x 5.6 mm. 


  • Ultra-small footprint

  • Integrated Antenna (6.3 mm x 8.6 mm x 1.6 mm)

  • Trace Pad Option (6.3 mm x 5.6 mm x 1.6mm)

  • Bluetooth v5.1 Bluetooth Low Energy (BLE) plus NFC

  • 802.15.4 radio (non-certified) –ZigBee / Thread via nRF Connect SDK or Thread via Zephyr

  • Widest range of configurable interfaces: UART, I2C, I2S, SPI, ADC, GPIO, PWM, FREQ, USB, PDM, and NFC

  • Extended Industrial Temperature Rating (-40° to +105 °C)

  • Bluetooth Low Energy - Peripheral/Central roles supported

  • 2 Mbps and LE Long Range: Support for 2 Mbps, 1 Mbps, & 125 Kbps coded PHY

  • Bluetooth 5.1 - Direction finding – AoA and AoD

  • Hostless operation – Internal MCU reduces BOM

  • Powerful Core Cortex-M4F (512kB Flash, 128 k RAM)

  • Built on years of experience with Nordic (BL600, BL652 & BL654 Series)

  • Application design choice: Leverage Laird Connectivity’s smartBASIC, simple AT command set, Zephyr RTOS or utilize Nordic SDK directly 

  • Nordic nRF52833 – 3.175 x 3.175mm WLCSP with 32 GPIOs utilized.


Specifications for BL653u Bluetooth 5.1 + 802.15.4 + NFC

Interfaces UART
Antenna Integrate Antenna or Trace Pin
BT Class Class 2
Other wireless NFC + Zigbee + Thread
Operation Temperature -40 °C ~ +85 °C
Stack on Board Yes
BLE connection 20
Bluetooth mode BLE5.1
Certification FCC/IC/CE/MIC/RCM
Chipset nRF52833 WLCSP
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