Particle B-Series SoM

Cellular + Bluetooth in a M.2 SoM

Image of the B-Series SoM

The B-Series is a powerful cellular-enabled system-on-a-module (SoM) designed for mass-production. It includes the Nordic nRF52840 and with support for cellular and Bluetooth LE.

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Models

Model	Modem	Technology	Supported Locations
B404X	u-blox SARA R510S-01B	LTE Cat M1	United States, Canada, Mexico
B404	u-blox SARA R410M-02B	LTE Cat M1	United States, Canada, Mexico
B402	u-blox SARA R410M-02B	LTE Cat M1	United States, Canada, Mexico
B524	Quectel EG91-E	LTE Cat 1 with 3G and 2G fallback	EMEAA†
B523	Quectel EG91-E	LTE Cat 1 with 3G and 2G fallback	Europe

† Selected countries in Europe, Middle East, Africa, and Asia, including Australia and New Zealand.

Cellular carrier list

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) and encryption functions
Up to +8 dBm TX power (down to -20 dBm in 4 dB steps)
NFC-A radio

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)