The SIM7070G Expansion Shield is a globally compatible NB-IoT/LTE/GPRS/GNSS communication module tailored for Arduino. Supporting CAT-M, NB-IoT, GSM, EDGE, and GNSS satellite positioning (GPS, GLONASS, Galileo, BeiDou), it’s ideal for smart logistics, remote monitoring, mobile tracking, and IoT development.
Key Features
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Supports CAT-NB/CAT-M/GSM/EDGE across global frequency bands
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Built-in GNSS positioning (GPS, GLONASS, Galileo, BD)
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Integrated AT command set and embedded software library for quick setup
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Ideal for low-power, low-latency, and medium-throughput IoT applications
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Compatible with Arduino boards and IoT expansion shields
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Certified globally: CE, FCC, AT&T, Deutsche Telekom, etc.
Technical Specifications
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Input Voltage: 7–12VDC
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Operating Voltage: 5V
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SIM Support: 1.8V SIM cards (NB-IoT, CAT-M, 2G)
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GNSS Protocol: NMEA
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Interfaces: UART, USB, I2C, ADC, PCM
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Sleep Current: 0.8 mA; Idle: 10 mA; PSM: 3.2 µA
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Operating Temp: -40°C to +85°C
Data Transmission Performance
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Cat-M1: 589 Kbps DL / 1119 Kbps UL
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NB-IoT: 127 Kbps DL / 158.5 Kbps UL
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GPRS: 107 Kbps DL / 85.6 Kbps UL
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EDGE: 296 Kbps UL / 236.8 Kbps DL
Typical Applications
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Smart City solutions
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Asset tracking systems
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Remote sensing for agriculture/energy
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Vehicle positioning and telemetry
Project How to use a SIM808 GPS/GPRS/GSM Shield For Arduino - DFRobot
Shipping List
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SIM7070G Arduino NB-IoT/LTE/GPRS Expansion Shield x1
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GSM Spring Antenna x1
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GPS Internal Antenna x1
Reference
New Version Documents (This Product):
SIM7070G Arduino NB-IoT Shield V2.0 Wiki
SIM7070G AT Command Manual V1.07
Old Version Documents (Discontinued):
SIM7000E Arduino NB-IoT Shield V1.0 Wiki
Hardware Design File-Old Version
SIM7000E AT Command Manual V1.01
Other Version Documents: