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BMD-30/35 series (open CPU)

Stand-alone Bluetooth low energy 5.0 modules

Bluetooth 5 solution

  • Powerful, ultra‑efficient 64 MHz 32‑bit Arm® Cortex®-M4 with FPU, 512 kB Flash, and 64 kB RAM
  • Secure Bootloader (encrypted over‑the‑air updates) with Nordic DFU
  • Transmitter certifications and compliances
  • BMD‑300 and BMD‑301 are footprint compatible with BMD‑34x modules
BMD-300BMD-301BMD-350
9.8 x 14.0 x 1.9 / 6.4 x 8.6 x 1.5 mm

Product variants

BMD-300

internal PCB antenna, 9.8 x 14.0 x 1.9 mm

BMD-301

U.FL connector for external antenna, 9.8 x 14.0 x 1.9 mm

BMD-350

internal chip antenna, 6.4 x 8.6 x 1.5 mm

Product variantsBMD-300BMD-301BMD-350
Antenna 
Internal antenna
Connector for external antenna
Short range features 
Chip insidenRF52832
Bluetooth qualificationv5.0 (Bluetooth low energy)
Bluetooth low energy output power EIRP [dBm]393
Maximum range [m]200400190
Maximum number of connections20
Additional standardNFC
Microprocessor on board  
Standalone module
Programmable module
Interfaces 
UART1
SPI3
TWI (I2C compatible)2
I2S1
PCM (Bluetooth audio)1
GPIO32
ADC8
PWM4
Electrical data 
Minimum supply [V]1.70
Maximum supply [V]3.6
Environmental data, quality & reliability 
Maximum temperature [°C]85
Minimum temperature [°C]-40
Size [mm]9.8 x 14.0 x 1.96.4 x 8.6 x 1.5