SIM7070G Arduino NB-IoT / LTE / GNSS / GPRS / GPS Expansion Shield (Global)
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Description
The SIM7070G Arduino expansion shield delivers versatile multi-band cellular connectivity and GNSS satellite positioning in an easy-to-use Arduino form factor. Supporting NB-IoT, LTE Cat-M, GSM, GPRS, and EDGE, it provides an ultra-low-power communication bridge for students, makers, and engineers. It is ideally suited for smart logistics, environmental monitoring, remote control, and asset tracking projects.
Global cellular band support
The board features worldwide multi-band compatibility across NB-IoT, LTE-M, GSM, GPRS, and EDGE networks. Upgraded from earlier module generations, it provides seamless global coverage without the need to select region-specific boards for deployment.
Multi-constellation GNSS positioning
Integrated satellite positioning supports GPS, GLONASS, Galileo, and BeiDou constellations using the standard NMEA protocol. This enables precise real-time location tracking for asset management, navigation, and geofencing applications.
Built-in network protocol libraries
The module includes a comprehensive AT command set alongside Arduino libraries supporting protocols such as MQTT, HTTP, FTP, CoAP, NIDD, and PING. This abstraction handles low-level networking directly on the modem to speed up firmware development.
Power requirements and SIM compatibility
The shield operates at 5V with an input voltage range of 7V to 12V DC, requiring an external power supply to manage peak current spikes during network transmission. The on-board SIM slot exclusively supports 1.8V SIM cards and is not compatible with 3V cards.
Certified hardware and included antennas
The SIM7070G is certified for use across international standards including CE, FCC, RoHS, CCC, and carrier networks such as AT&T and Deutsche Telekom. Each board comes equipped with both a GSM spring antenna and an internal GPS antenna via IPEX1 interfaces.
Downloads & documentation
Specifications
| Operating Voltage | 5V (Note: The module will consume a large amount of current at the moment of network connection, an external power supply is needed during operation) |
| Input Voltage | 7~12VDC |
| GPRS | 85.6Kbps(UL), 107Kbps(DL) |
| EDGE | 296Kbps(UL), 236.8Kbps(DL) |
| LTE Category M1 | 589Kbps (DL) |
| LTE Category NB1/NB2 | 127Kbps (DL) |
| EGPRS | Compatible with MCS 12 |
| NB-IoT | B1 B2 B3 B4 B5 B8 B12 B13 B18 B19 B20 B25 B26 B28 B66 B71 B85 |
| CAT-M (LTE-HD-FDD) | B1 B2 B3 B4 B5 B8 B12 B13 B14 B18 B19 B20 B25 B26 B27 B28 B66 B85 |
| GSM/GPRS | GSM850MHz |
| GNSS | GPS, GLONASS, BeiDou, Galileo, Protocol: NMEA |
| NB-IoT Antenna Interface | IPEX1 |
| GNSS Antenna Interface | IPEX1 |
| SIM Card | NB-IoT/CAT-M/2G Card (Only supports 1.8V SIM card, not 3V card) |
In the box
| SIM7070G Arduino NB-IoT/LTE/GPRS expansion shield | 1 |
| GSM Spring Antenna | 1 |
| GPS Internal Antenna | 1 |
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