Description
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The B Series System-on-a-Module (SoM) can act as either a standalone cellular endpoint or LTE enabled gateway for Particle Mesh networks. It is based on the Nordic nRF52840 micro-controller.

The B Series is designed to be integrated into your circuit board design, plugging a M.2 NGFF connector on your board, allowing the module to be changed or upgraded easily.

The B402 module supports LTE M1 connectivity.

All Particle Hardware is designed from the ground up to work with the Device Cloud. The Device Cloud is a powerful set of tools and infrastructure to build, connect, and manage your IoT fleet.

Access to the Device Cloud includes :

3MB of cellular data per device/mo (additional data $0.40/MB for most countries)
First 3 months of Device Cloud FREE ($2.99 per device/mo after)
Device Cloud Features:
Device Management
Over the Air Firmware Updates
Fully Managed Connectivity
Developer Tools
Integrations

Specsification :

u-blox SARA-R410-02B LTE modem (Boron LTE)
LTE CAT M1 module with global hardware support (MVNO support for US only)
3GPP Release 13 LTE Cat M1
Cat M1 bands: 2, 3, 4, 5, 8, 12, 13, 20, 28
Nordic Semiconductor nRF52840 SoC
ARM Cortex-M4F 32-bit processor @ 64MHz
1MB flash, 256KB RAM
IEEE 802.15.4-2006: 250 Kbps
Bluetooth 5: 2 Mbps, 1 Mbps, 500 Kbps, 125 Kbps
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 tag
On-module additional 4MB SPI flash
24 mixed signal GPIO (8 x Analog, 4 x PWM), UART, I2C, SPI
USB 2.0 full speed (12 Mbps)
JTAG (SWD) pins
RGB status pins for LED
Reset and Mode pins for buttons
On-module MFF2 Particle SIM
Two on-module U.FL connectors for external antennas
M.2 interface
FCC and PTCRB certified
RoHS compliant (lead-free)