SIM7070G Global NB-IoT Communication Module with GNSS Positioning
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Description
The SIM7070G is a versatile, globally compatible communication module featuring multi-band NB-IoT, LTE Cat-M1, and 2G connectivity alongside multi-constellation GNSS positioning. It is an ideal solution for students, makers, and engineers building low-power asset tracking, agricultural telemetry, and smart city infrastructure.
Comprehensive global network compatibility
The module provides extensive frequency band support across NB-IoT, LTE Cat-M1, and quad-band GSM/GPRS/EDGE networks. This broad compatibility ensures dependable cellular connectivity for international IoT deployments across multiple carrier standards.
Multi-constellation GNSS positioning
Integrated satellite navigation supports GPS, GLONASS, BeiDou, and Galileo systems using standard NMEA protocol outputs. This delivers precise real-time geographic data for logistics tracking, mobile environmental monitors, and fleet management projects.
Built-in protocols and AT commands
A comprehensive AT command set provides native handling for common IoT protocols including MQTT, HTTP, FTP, CoAP, and NIDD. This streamlines microcontroller programming by managing low-level network stacks directly on the module.
Flexible UART and USB connectivity
The board features a Gravity PH2.0-4P UART port with 3.3V to 5V logic support alongside a USB 2.0 Type-C interface for easy connection to microcontrollers, single-board computers, and PCs. The UART interface accommodates baud rates ranging from 300bps up to 3686400bps.
Low-power battery-friendly operation
Designed for energy efficiency, the module draws approximately 14mA in low-power mode from a 3.3V to 5V power supply. This makes it well-suited for long-term remote field nodes and off-grid battery installations.
Complete hardware package and interface specs
Measuring 49mm by 42mm, the board features dual IPEX1 antenna connectors and a 1.8V SIM card slot. It comes supplied with a GSM spring antenna, an internal GPS antenna, and a Gravity 4-pin wiring cable.
Downloads & documentation
Specifications
| Input Voltage | 3.3V - 5V |
| Low Power Mode Consumption | Approx. 14mA |
| GSM850 | Class 4 (2W) |
| EGSM900 | Class 4 (2W) |
| DCS1800 | Class 1 (1W) |
| PCS1900 | Class 4 (1W) |
| Band 31 & Band 72 | Power Class 2 (0.4W) |
| Uplink | 85.6 Kbps |
| Downlink | 107 Kbps |
| EGPRS | Compatible with MCS 12 |
| UART Interface | Gravity PH2.0-4P (supports 3.3V - 5V logic levels) |
| USB Interface | USB 2.0 Type-C |
| NBIoT Antenna Connector | IPEX1 |
| GNSS Antenna Connector | IPEX1 |
| SIM Card Slot | Supports NBIoT / CAT-M/2G, 1.8V SIM card only (3V SIM not supported) |
| NBIoT | 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 |
| EDGE | EGSM900MHz / DCS1800MHz / PCS1900MHz |
| GNSS | GPS / GLONASS / BeiDou / Galileo, Protocol: NMEA |
| Product Size | 49mm × 42mm |
In the box
| Global Version SIM7070G NB-IoT Module | 1 |
| GSM Spring Antenna | 1 |
| GPS Internal Antenna | 1 |
| UART PH2.0-4P Connecting Cable ×1 | 1 |
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