ANNA-B402 (open CPU)

Stand-alone Bluetooth 5.1 Low Energy module

Ultra-compact module for harsh professional environments

  • Ultra compact SiP (6.5 x 6.5 x 1.2 mm) with integrated antenna
  • Bluetooth 5.1, Bluetooth mesh, long range, Zigbee and Thread
  • Direction finding support for indoor location
  • Powerful open CPU architecture for customized applications
  • Extended temperature range up to 105 °C
  • Global certification
short_range
standard

Standard

professional

Professional

automotive

Automotive

Product variants

ANNA-B402-00B

Bluetooth Low Energy stand-alone SiP open CPU 6.5x6.5 mm, 500 pcs/reel
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Product variantsANNA-B402
Bluetooth qualificationsv5.1 (Bluetooth Low Energy)
Chip insidenRF52833
Bluetooth low energy output power EIRP [dBm]9
Maximum range [m]800
Bluetooth throughput [Mbit/s]1.4
Maximum number of connections20
MCUCortex-M4 with FPU, 64 MHz
RAM [kB]128 kB
Flash [kB]512 kB
UART x 2
USB
SPI x 4
I2S
PDM
GPIO x 33
ADC x 8
PWM x 4
QDEC
TWI (I2C compatible) x 2
Maximum supply [V]3.6
Minimum supply [V]1.7
Maximum temperature [°C]105
Minimum temperature [°C]-40
Bluetooth high speed (LE 2M PHY)
Bluetooth long range (coded PHY)
Bluetooth mesh
Direction finding (AoA/AoD)
FOTA
Secure boot ready
Simultaneous GATT server and client
Supports customer applications
AntennasAntenna pin, Internal chip antenna
Dimensions [mm]6.5 x 6.5 x 1.2
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