DFRobot
SIM7070G Global NB-IoT Communication Module with GNSS Positioning
· MPN: TEL0182
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The SIM7070G is a globally compatible NB-IoT communication module supporting CAT-M, NB-IoT, GSM, GPRS, and EDGE wireless protocols. It also features integrat...
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The SIM7070G is a globally compatible NB-IoT communication module supporting CAT-M, NB-IoT, GSM, GPRS, and EDGE wireless protocols. It also features integrated GNSS satellite positioning with support for GPS, GLONASS, BeiDou, and Galileo — making it a versatile solution for IoT connectivity and asset tracking.
With built-in AT commands and support for HTTP, MQTT, FTP, CoAP, and other protocols, the module is ready for rapid deployment without low-level network development. It connects via UART (Gravity PH2.0-4P) or USB-C for easy integration with microcontrollers, development boards, and PCs.
Key Features
- Multi-Protocol Support – NB-IoT, CAT-M, GSM, GPRS, and EDGE on global frequency bands
- GNSS Positioning – GPS, GLONASS, BeiDou, and Galileo (NMEA protocol)
- Built-In Application Protocols – HTTP, MQTT, FTP, CoAP, NIDD, and PING
- Dual Interface – UART (Gravity PH2.0-4P, 3.3–5 V logic) and USB 2.0 Type-C
- Low Power – Approximately 14 mA in low-power mode; suitable for battery-powered applications
- IPEX1 Antenna Connectors – Separate connectors for NB-IoT and GNSS antennas
- SIM Card Slot – Supports 1.8 V SIM cards (NB-IoT / CAT-M / 2G)
- Global Certifications – FCC, CE, CCC, Anatel, AT&T, Verizon, and more
Specifications
- Input Voltage – 3.3–5 V
- NB-IoT Bands – B1, B2, B3, B4, B5, B8, B12, B13, B18, B19, B20, B25, B26, B28, B66, B71, B85
- CAT-M Bands – B1, B2, B3, B4, B5, B8, B12, B13, B14, B18, B19, B20, B25, B26, B27, B28, B66, B85
- GSM/GPRS – 850 / 900 / 1800 / 1900 MHz
- LTE Cat-M1 Data Rate – Up to 1 119 kbps (uplink) / 589 kbps (downlink)
- LTE Cat-NB1/NB2 Data Rate – Up to 158.5 kbps (uplink) / 127 kbps (downlink)
- UART Baud Rate – 300 bps to 3 686 400 bps
- Dimensions – 49 × 42 mm
Ideal For
- IoT asset tracking and smart logistics
- Smart city infrastructure (street lighting, environmental monitoring)
- Agriculture and remote environmental sensing
- Battery-powered remote monitoring stations
Package Contents
- 1× SIM7070G NB-IoT Module (Global Version)
- 1× GSM Spring Antenna
- 1× GPS Internal Antenna
- 1× UART PH2.0-4P Connecting Cable
Note: This module only supports 1.8 V SIM cards. 3 V SIM cards are not compatible.
Resources
Jargon buster
Plain-language definitions for the technical terms used above.
- baud
- Baud is the signalling rate of a serial connection, often used as the speed setting for UART communication. Matching the baud rate matters because both connected devices must use the same setting for readable data.
- Galileo
- Europe’s satellite navigation system. Galileo support can improve satellite availability and accuracy, especially when combined with GPS and other constellations.
- GLONASS
- Russia’s satellite navigation system. A receiver that can also use GLONASS has more satellites to choose from, which can improve positioning reliability when the sky view is partly blocked.
- GNSS
- GNSS stands for Global Navigation Satellite System, covering positioning systems such as GPS and similar satellite networks. It matters here because high-precision GNSS modules can output lots of serial position data that this product can send wirelessly to a computer or phone.
- GPS
- The US satellite navigation system used by GNSS receivers to calculate position and time. Support for GPS is important because it is widely available and often used together with other constellations for more reliable positioning.
- Gravity
- Gravity is DFRobot’s plug-in connector system for sensors, motors and modules, using standard cables to reduce loose jumper wiring. It matters because Gravity-compatible parts can connect directly to these ports, while non-Gravity parts may need adapters or manual wiring.
- IoT
- Short for Internet of Things, meaning physical devices that connect to networks or the internet to send data or be controlled remotely. It matters if you want projects such as connected sensors, remote controls or classroom data-logging activities.
- MQTT
- A lightweight messaging protocol often used for IoT devices to publish and receive data through a server called a broker. It matters for home automation and sensor networks because it is simple, efficient, and widely supported.
- NB-IoT
- NB-IoT is a low-power cellular network standard designed for small amounts of data from remote devices. It matters for projects where the controller may need to send sensor readings from places without Wi-Fi or Ethernet.
- UART
- UART is a simple serial connection that sends data over separate transmit and receive wires, often labelled TX and RX. It matters because this module is designed to replace a wired UART cable with a wireless link while keeping the same serial data format.
- USB-C
- A modern reversible USB connector used for power and data connections. On this product it matters because it can connect directly to a computer as well as to a microcontroller project.
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