the AI Hardware Partner
Toggle Nav

MDBT40-256RV3 nRF51822 based BLE module

100 % of 100

MDBT40, nRF51822, Nordic, smart solution, wireless, raytac,

Out of stock
  • 10+: $7.20



Seeed fusion offers PCB/ PCBA manufacturing service for customized products based on MDBT40-256RV3 nRF51822 based BLE module with an online instant quote and fast delivery. You can get a special discount for mass production! Click here and get a quote!

MDBT40 is a BT 4.0 & BT 4.1 stack (Bluetooth low energy or BLE) module designed based on Nordic nRF51822 SoC solution, which incorporates: GPIO, UART, I2C, SPI, PWM and ADC interfaces for connecting peripherals and sensors.


1. Dual Transmission Mode of BLE & RF 2.4G upon customer preference. 

2. Compact size with (L) 18 x (W) 10 x (H) 3.2 mm 

3. Low power requirements, ultra-low peak, average and idle mode power consumption. 

4. Compatible with a large installed base of mobile phones, tablets and computers. 

5. Fully coverage of BLE software stack including: 

    Proximity Profile; Heart Rate Profile; Health Thermometer Profile; 

    Blood Pressure Profile; Running Speed & Cadence Profile; 

    HID Over GATT Profile; Alert Notification Profile; Glucose Profile; 

    Cycling Speed & Cadence Profile 

6. BLE & RF transmission switching may help products to fit all operation system 

7. BLE & RF transmission switching may help products fit all kinds of hardware. 


  • Computer peripherals and I/O devices 

  • Mouse 

  • Keyboard 

  • Multi-touch track pad 

  • Interactive entertainment devices 

  • Remote control 

  • 3D Glasses 

  • Gaming controller 

  • Personal Area Networks 

  • Health/fitness sensor and monitor devices 

  • Medical devices 

  • Key-fobs + wrist watch 

  • Remote control toys

Product Dimension

PCB SIZE:(L) 18 x (W) 10 x (H) 3.2 mm


  • 2.4GHZ transceiver:

  • -93dbm sensitivity in Bluetooth low energy mode

  •  TX Power -20 to +4dbm

  • RSSI (1db resolution)

  • ARM Cortex – M0 32 bit processor:

  • Serial Wire Debug (SWD)

  • S100 series SoftDevice ready

  • Memory:

  • 256kb embedded flash programmed memory

  • 32kb RAM

  • Support for non-concurrent multiprotocol operation

  • On-air compatibility with nRF24L series

  • Flexible Power Management:

  • Supply voltage range 1.8V to 3.6V

  • 2.5us wake-up using 16MHz RCOSC

  • 0.6uA @ 3V mode

  • 1.2uA @ 3V in OFF mode + 1 region RAM retention

  • 2.6uA @ 3V ON mode, all blocks IDLE

  • 8/9/10 bit ADC- 8 configurable channels

  • 31 General Purpose I/O Pins

  • One 32 bit and two 16 bit timers with counter mode

  • SPI Master / Slave


  • CPU independent Programmable Peripheral Interconnect (PPI)

  • Quadrature Decoder (QDEC)

  • AES HW encryption

  • Real Timer Counter (RTC)

  • Main Chip Solution: 

  • RF IC: Nordic NRF51822/QFN48

  • Crystal Frequency 16MHZ

Technical details

Dimensions 10mm x18mm x3.2mm
Weight G.W 2g
Battery Exclude

Part List

MDBT40-256RV3 1


HSCODE 8517709000
USHSCODE 8517180050
UPC 841454115717
EUHSCODE 8517180000
COO Taiwan China
EU DoC 1
RoHS 1



Write Your Own Review
Only registered users can write reviews. Please Sign in or create an account
  1. Product Quality


Items 6 to 6 of 6 total

Show per page