ANNA-B412 (u-connect)

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, including Bluetooth long range
  • u-connectXpress software for accelerated time to market
  • Superior security functionality with secure boot
  • Extended temperature range up to 105 °C
  • Global certification
short_range
standard

Standard

professional

Professional

automotive

Automotive

Product variants

ANNA-B412

Bluetooth Low Energy module with u-connectXpress software, internal antenna, and antenna pin for external antenna connection.

Product selection
Documentation & resources
Product variantsANNA-B412
Short Range Features 
Bluetooth Qualificationsv5.1 (Bluetooth Low Energy)
Chip InsidenRF52833
Bluetooth low energy output power EIRP[dBm]9
Maximum range [m]800
Throughput Bluetooth0.8
Maximum number of connections8
Bluetooth profiles and servicesBluetooth GATT, u-blox low energy serial port service
CPU Features 
Microprocessor on boardStandalone module u-connect
Interfaces 
UART2
GPIO19
Electrical data 
Maximum supply [V]3.6
Minimum supply [V]1.7
Environmental data,
quality & reliability
 
Maximum temperature [°C]105
Minimum temperature [°C]-40
Features 
Angle-of-Arrival (AoA)
Angle-of-Departure (AoD)
AT command support
Bluetooth high speed (LE 2M PHY)
Bluetooth long range (coded PHY)
Bluetooth mesh
Extended data mode protocol
Factory programmed MAC address(es)
Low energy serial port service
Secure boot
Simultaneous GATT server and client
General Features 
AntennasInternal antenna, Antenna pin
Dimensions 
Dimensions [mm]6.5 x 6.5 x 1.2
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