Connectivity Card MGM240P mPCIe

Connectivity Cards

Release 1.2

Overview

Remote monitoring of critical infrastructure with edge computing

The MGM240P 5G Suite Connectivity Cards from CTHINGS.CO® are extension cards based on the Silicon Labs® MGM240P SoC. They are multi-protocol chips designed to empower IoT integrators to implement IEEE 802.15.4 connectivity like Bluetooth Low Energy, Bluetooth Mesh, Zigbee®, OpenThread® and other 2.4 GHz protocols. The extension card allows for full-fledged utilisation of the on-board 32-bit ARM® Cortex™-M33 CPU.

The product comes with full CE class-B and RED certification and can be used to quickly and reliably add 2.4 GHz protocol stack support to any existing device with a mini-PCIe slot without worrying about certification or radio performance. A full J-Trace connector is available on a programming jig for convenient firmware development.

CTHINGS.CO also provides support for Silabs Bootloader and EmberZNet Software Stack.

Specifications

Hardware Features

  • Mini PCI Express connector pinout compliant

  • Single-ended U.FL antenna connector

  • Based on Silicon Labs® MGM240P

  • Ultra-low power consumption

  • RF output power up to +20 dBm

  • Arm® Cortex®-M33 32-bit processor

  • Compatible with the CTHINGS.CO Programming Jig

Software Features

  • Silicon Labs bootloader

  • Silicon Labs EmberZNet software stack

Electrical Specification

  • 3.3 V nominal supply voltage, electrically Mini PCIe compliant

  • 3.0 V to 5.0 V supply voltage range

  • ESD protected

  • Ultra-low power consumption

RF Specifications

  • +20 dBm TX output power

  • -106.0 dBm IEEE 802.15.4 RX sensitivity

  • -106.0 dBm, 1% PER, at 250 kbps O-QPSK DSSS

  • -106.5 dBm, 0.1% BER, at 125 kbps GFSK

  • -102.2 dBm, 0.1% BER, at 500 kbps GFSK

  • -98.5 dBm, 0.1% BER, at 1 Mbps GFSK

  • -95.7 dBm, 0.1% BER, at 2 Mbps GFSK

Embedded Security

  • Arm® TrustZone®

  • Secure Boot with Root of Trust and Secure Loader (RTSL)

  • Hardware cryptographic acceleration peripheral

Certifications

The CTHINGS.CO® MGM240P mPCIe Connectivity Card is CE Class B, Radio Equipment Directive (RED) and EU RoHS Directive compliant. US FCC and UKCA certification is planned.

The device has been tested to meet the following electromagnetic compatibility standards:

Electromagnetic emissions:

  • Conducted emissions: EN 55022, EN 55014-1 and EN 55011

  • Radiated emissions up to 6 GHz

  • Harmonic current emissions: EN 61000-3-2

  • Voltage fluctuations and flicker: EN 61000-3-3

Immunity to electromagnetic interference (EMI):

  • Electrostatic discharge immunity: EN 61000-4-2

  • Radiated electromagnetic field immunity: EN 61000-4-3

Use Cases

  • IoT gateways

  • Workstations and laptops

  • Cellular backhaul systems for non-cellular Zigbee meshes

  • Bluetooth interface for IoT sensors

  • Gateways for Silicon Labs® MGM240P-based IoT systems

  • Home Assistant

Capabilities

Zigbee Mesh

Plug-and-play support for Zigbee

Bluetooth® 5.3

2.4 GHz transceiver

Certified Radio Equipment

Full CE Class-B & Radio Equipment Directive (RED) certification

Performant CPU

32-bit ARM Cortex-M33 CPU

Mini-PCIe Pinout Compliance

Small and standardised form factor compliant with common hardware

Multiprotocol

Bluetooth Low Energy, Bluetooth Mesh, OpenThread, Zigbee

In-system firmware upgrades

Supported loading firmware via Silabs Bootloader over serial

Out-of-the-box support

Out-of-the-box support for Simplicity SDK and Gecko SDK

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