Particle B Series B402

LTE Cat M1 + Bluetooth in a M.2 SoM

Image of the Boron Kit

The B Series B402 is a powerful LTE Cat M1 enabled system-on-a-module (SoM) designed for mass-production. It includes the Nordic nRF52840 and u-blox SARA R410 processors with support for standalone cellular and Bluetooth LE.

Hardware specifications:

Main processor:

Nordic Semiconductor nRF52840 SoC

  • ARM Cortex-M4F 32-bit processor @ 64MHz
  • 1MB flash, 256KB RAM
  • Bluetooth 5: 2 Mbps, 1 Mbps, 500 Kbps, 125 Kbps
  • 20 mixed signal GPIO (6 x Analog, 8 x PWM), UART, I2C, SPI
  • Supports DSP instructions, HW accelerated Floating Point Unit (FPU) calculations
  • ARM TrustZone CryptoCell-310 Cryptographic and security module
  • Up to +8 dBm TX power (down to -20 dBm in 4 dB steps)
  • NFC-A radio

Cellular network coprocessor:

u-blox SARA R410M LTE Cat M1 modem

  • LTE Cat M1 module with global hardware support (MVNO support for US, Canada, and Mexico only)
  • 3GPP Release 13 LTE Cat M1

General specifications:

  • M.2 NGFF 67-pin connector to your base board
  • Up to +8 dBm TX power (down to -20 dBm in 4 dB steps)
  • NFC-A tag (requires external antenna)
  • On-board additional 4MB SPI flash
  • MFF2 SMD Particle SIM card
  • U.FL connectors for external cellular and Bluetooth antennas
  • FCC and PTCRB certified
  • RoHS compliant (lead-free)